CN104751346A - Price index generating method and system of traditional Chinese medicinal materials - Google Patents
Price index generating method and system of traditional Chinese medicinal materials Download PDFInfo
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Abstract
The invention relates to a price index generating method and system of traditional Chinese medicinal materials. The price index generating method of traditional Chinese medicinal materials includes calculating price indexes of each medicinal material of each specification in each market, and calculating the price index of the medicinal material with the certain specification according to the price index of the medicinal material in each market; calculating the price index of each medicinal material according to the price index of each medicinal material with the certain specification, wherein prices of medicinal materials with many specifications in many markets are collected during price index calculation, so the data collection range is wide and the calculated price indexes of the medicinal materials are accurate.
Description
Technical field
The present invention relates to field of medical technology, particularly relate to a kind of Chinese crude drug price index and generate method and system.
Background technology
Along with people are to the high praise gradually of the traditional Chinese medical science and the attention to health, the use of Chinese crude drug in people's daily life gets more and more, people are saving cost when buying Chinese crude drug, need the purchase carrying out Chinese crude drug according to the price volalility of Chinese crude drug, and user is when contrasting the price of Chinese crude drug, often need the price index with reference to medicinal material, the calculating of price index in prior art, the price index of medicinal material is often calculated according to the average price of the medicinal material of nearest a period of time, data acquisition range is extensive not, and the price index calculated is accurate not.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of Chinese crude drug price index and generates method and system, is intended to the accuracy improving the price index generated.
The present invention proposes a kind of generation method of Chinese crude drug price index, comprising:
Obtain successively and pre-determine each specification product that in medicinal material type, various medicinal material is corresponding, average price in each predefined market in the first prefixed time interval, and according to the average price in each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market;
According to the price index of each specification product in each predefined market calculated, calculate the price index of each specification product in the prefixed time interval of all predefined markets first;
The price index corresponding according to each specification product calculated, calculates the total price index in corresponding medicinal material first prefixed time interval.
Preferably, the described price index corresponding according to each specification product calculated, after calculating the step of the total price index in corresponding predefined medicinal material first prefixed time interval, the method comprises:
The total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index in described predefined medicinal material type very first time interval.
Preferably, described basis pre-determines total price index corresponding to various medicinal material in medicinal material type and default weighted value, and after calculating the step of the total price index in described predefined medicinal material type very first time interval, the method comprises:
The total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index of medicinal material in the first prefixed time interval.
Preferably, described basis pre-determines total price index corresponding to various medicinal material in medicinal material type and default weighted value, and after calculating the step of the total price index of medicinal material in the first prefixed time interval, the method comprises:
According to the formula preset according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
Preferably, described acquisition successively pre-determines each specification product that in medicinal material type, various medicinal material is corresponding, average price in each predefined market in the first prefixed time interval, and according to the average price in each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculated each specification product before the step of the price index in each predefined market, the method comprises:
When average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
The generation system of a kind of Chinese crude drug price index of the present invention, comprising:
Acquisition module, for obtaining each specification product corresponding to various medicinal material in predefined medicinal material type successively, the average price in each predefined market in the first prefixed time interval;
Computing module, for the average price according to each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market, and according to the price index of each specification product in each predefined market calculated, calculate the price index of each specification product in the prefixed time interval of all predefined markets first, and the price index corresponding according to each specification product calculated, calculate the total price index in corresponding medicinal material first prefixed time interval.
Preferably, described computing module also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index in described predefined medicinal material type very first time interval.
Preferably, described computing module also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index of medicinal material in the first prefixed time interval.
Preferably, described computing module also for according to preset formula according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
Preferably, this system also comprises correcting module, for when average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
The Chinese crude drug price index that the present invention proposes generates method and system, first calculates the price index in each market of each specification product of often kind of medicinal material, and calculates the price index of these specification product according to these specification product at the price index in each market; Calculate the price index of medicinal material according to the price index of each specification product of medicinal material, price index acquires the price of the plurality of specifications product in multiple market when calculating, data acquisition range is wide, and the price of medicinal material index calculated is accurate.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of Chinese crude drug price index generation method first embodiment of the present invention;
Fig. 2 is the schematic flow sheet of Chinese crude drug price index generation method second embodiment of the present invention;
Fig. 3 is the schematic flow sheet of Chinese crude drug price index generation method the 3rd embodiment of the present invention;
Fig. 4 is the schematic flow sheet of Chinese crude drug price index generation method the 4th embodiment of the present invention;
Fig. 5 is the schematic flow sheet of Chinese crude drug price index generation method the 5th embodiment of the present invention;
Fig. 6 is the high-level schematic functional block diagram of Chinese crude drug price index generation system first embodiment of the present invention;
Fig. 7 is the high-level schematic functional block diagram of Chinese crude drug price index generation system second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described further with regard to technical scheme of the present invention below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are Chinese crude drug price index generation method first embodiment of the present invention.
The executive agent of the technical scheme that the present embodiment proposes is Chinese crude drug price index server, the multiple terminal to server be connected with this server of Chinese crude drug price index report the price of often kind of specification product of medicinal material, and the terminal be connected with Chinese crude drug price index server can be PC, pad and mobile phone etc.
The present embodiment proposes a kind of Chinese crude drug price index generation method, comprising:
Step S10, obtain successively and pre-determine each specification product that in medicinal material type, various medicinal material is corresponding, average price in each predefined market in the first prefixed time interval, and according to the average price in each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market;
Multiple trade company is had to report the price of each specification product of medicinal material in each market, the data entry page face that trade company is provided by Chinese crude drug price index server, report the price of each specification product of medicinal material, user can report the price of each specification product of medicinal material every day, also regularly can report the price of each specification product of medicinal material; Server is when receiving the price data that terminal is uploaded, price data is detected, select effective data as the price of specification product, then according to the average price of each specification product of calculation of price of the specification product selected, make the average price that calculates more accurate.
In the present embodiment, can assess reporting the trade company of specification product price, reporting the number of times of specification product price to sort to trade company in prefixed time interval
Server is according to the market prestored and the mapping relations (the corresponding multiple trade company in each market) between trade company, determine the price of the specification product corresponding to each market, the price of the specification product corresponding to each duration is averaged, this product average is then the average prices of these specification product in this market, and each duration is to there being multiple trade company in the present embodiment.
The average price arranging the i-th market jth specification product is P1
ij, the standard average price of the i-th market jth specification product is P0
ij, then the price index K of the jth specification product in the i-th market
ijfor K
ij=P1
ij/ P0
ij.
In the present embodiment, the standard average price preset of the jth specification product in the i-th market refers to, the average price of the jth specification product in the i-th market in the base period preset, this base period, can be fixing base period, and in this base period, price of medicinal material fluctuation is affected by human factors less; If or the price volalility of current specification product is comparatively large, and the time interval nearer with very first time spacing distance can be selected as base period.In the present embodiment, the first prefixed time interval is preferably one week.
In the present embodiment, some medicinal materials are divided into plurality of specifications, such as the root of herbaceous peony, are divided into one-level, secondary, three grades and level Four, and some medicinal materials are that unified specification is as white ginseng.
Step S20, according to the price index of each specification product in each predefined market calculated, calculates the price index of each specification product in the prefixed time interval of all predefined markets first;
The quantity arranging market is n, and the price index of the jth specification product in the i-th market is K
ij, then jth specification product price index K
jcomputing formula be:
Step S30, the price index corresponding according to each specification product calculated, calculates the total price index in corresponding medicinal material first prefixed time interval.。
Arrange jth specification product price index K
j, the quantity of the specification product of medicinal material is n, then the total price index K of medicinal material
xcomputing formula be:
The Chinese crude drug price index generation method that the present embodiment proposes, first calculates the price index in each market of each specification product of often kind of medicinal material, and calculates the price index of these specification product according to these specification product at the price index in each market; Calculate the price index of medicinal material according to the price index of each specification product of medicinal material, price index acquires the price of the plurality of specifications product in multiple market when calculating, data acquisition range is wide, and the price of medicinal material index calculated is accurate.
With reference to the schematic flow sheet that Fig. 2, Fig. 2 are Chinese crude drug price index generation method second embodiment of the present invention.
Propose Chinese crude drug price index generation method second embodiment of the present invention based on the first embodiment, in the present embodiment, also comprise after step 30:
Step 40, the total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index in described predefined medicinal material type very first time interval.
Can classify by following two kinds of methods to Chinese crude drug: 1) classify by medicinal material function, Chinese crude drug is divided into diaphoretic medicine, antipyretic, purgatives medicine, medicine for rheumatism, damp-clearing drug, drugs for dispelling internal cold, qi-regulating drug, digestants, anthelmintic, hemostatic, drug for invigorating blood circulation and eliminating stasis, expectorants, antitussives and anti-asthmatics medicine, sedative, medicine for calming liver and calming endopathic wind, awaking drug and qi-restoratives medicine 16th National Congress of Communist Party of China class; 2) classify by the position of medicinal material, Chinese crude drug is divided into root and rhizome class, fruit, sub-benevolence class, whole grass, flower, spore class, leaf class, skin class, stem wood class, resene, bacterium, algae, animal class, mineral substance and other class 12 large classes; 3) classify by the place of production of medicinal material.Every type medicinal material with the medicinal material representatively medicinal material of some, can be avoided when choosing and representing medicinal material the representative medicinal material corresponding to each middle type medicinal material to occur overlapping situation as far as possible, represents medicinal material and have ubiquity and mass-market advantage.
In the present embodiment, the medicinal material type be previously determined to be is carry out the various medicinal material types of classifying, as root and rhizome class, whole grass etc. by the position of medicinal material.When weight calculation, first the sales volume data of medicinal material are normalized, to obtain the weight of various medicinal material, and the weight got is revised, the method revised comprises artificial neural network revised law, Delphi method and Field Using Fuzzy Comprehensive Assessment, and in the present embodiment, modification method is preferably artificial neural network coaching method.
Arranging medicinal material type is the medicinal material undertaken by the position of medicinal material in the various medicinal material types of classifying, and corresponding total price index is K
x, the weighted value of medicinal material is W
x, the quantity of this medicinal material type Chinese crude drug is l, then the total price index of the medicinal material type preset is K
dcomputing formula be:
For the medicinal material type of being undertaken classifying by medicinal material function and the medicinal material place of production, directly corresponding according to various medicinal material in this medicinal material type total price index, calculates the total price index of this medicinal material type, and arranging total price index corresponding to medicinal material is K
x, the quantity of this medicinal material type Chinese crude drug is n, then the total price index of this medicinal material type is K
d1computing formula be:
With reference to the schematic flow sheet that Fig. 3, Fig. 3 are Chinese crude drug price index generation method the 3rd embodiment of the present invention.
Propose Chinese crude drug price index generation method the 3rd embodiment of the present invention based on the second embodiment, in the present embodiment, comprise after step S40:
Step S50, the total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index of medicinal material in the first prefixed time interval.
In the present embodiment, predetermined medicinal material type is carry out the various medicinal material types of classifying, when classifying by the position of medicinal material by the position of medicinal material, weight corresponding to various medicinal material type is preferably: root and rhizome class 51%, fruit, sub-benevolence class 12%, whole grass 6%, flower, spore class 4%, leaf class 1.5%, skin class 3.5%, stem wood class 2%, resene 3%, bacterium, algae 9%, animal class 5%, mineral substance 2% and other class 1%.
The total price index arranging medicinal material type is K
d, the weighted value of medicinal material type is W
d, to be then the computing formula of K be the total price index of medicinal material:
In the present embodiment, price of medicinal material index server can preserve the total price index Kx in medicinal material first prefixed time interval that calculates, the total price index Kd pre-determined in medicinal material type very first time interval, and the total price index of medicinal material is K, when receiving the inquiry request that terminal triggers based on the query interface that price of medicinal material index server sends, determine the query contents (as Kx and or Kd and or K) corresponding to this inquiry request, the query contents of acquisition is also sent to corresponding terminal by the query contents that acquisition is determined; Simultaneously, also can generating the total price index Kx in medicinal material first prefixed time interval, the total price index Kd pre-determined in medicinal material type very first time interval, and the total price index of medicinal material is after K, by Kx and or Kd and or K be sent to default communication terminal or server, to issue the price of medicinal material index calculated.For the medicinal material type of carrying out classifying according to the place of production of medicinal material and effect, do not carry out the calculating of medicinal material total price index.
With reference to the schematic flow sheet that Fig. 4, Fig. 4 are Chinese crude drug price index generation method the 4th embodiment of the present invention.
Propose Chinese crude drug price index generation method the 4th embodiment of the present invention based on the 3rd embodiment, comprise after step S50 in the present embodiment:
Step S60, according to the formula preset according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
In the present embodiment, the time interval very first time is formed continuously by n to arrange the second prefixed time interval, price of medicinal material index in multiple continuous print very first time interval is followed successively by K1, K2, K3...Kn, price index in second time interval is Kr, then the formula preset is Kr=(K1+K2+K3+...+Kn)/n.
Such as, one week is spaced apart when the very first time of presetting, second time interval of presetting is one month, the price of medicinal material index arranging in second time interval first week is K1, the price of medicinal material index of second week is K2, the price of medicinal material index of the 3rd week is K3, and the price of medicinal material index of 4th week is K4, then the price index in second time interval is Kr=(K1+K2+K3+K4)/4.
In the present embodiment, the medicinal material total price index in second time interval and medicinal material type price index, all calculate by such scheme and obtain.
With reference to the schematic flow sheet that Fig. 5, Fig. 5 are Chinese crude drug price index generation method the 5th embodiment of the present invention.
Propose Chinese crude drug price index generation method the 5th embodiment of the present invention based on the second to the 4th embodiment, in the present embodiment, comprise before step S10:
Step S70, when average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
Preferred version when revising the weighted value of medicinal material is, using the trading volume of nearly 5 times as artificial neural network initial input variable, using the trading volume total value ratio of nearly 5 times as initial weight, carry out weight dynamic corrections, when this enforcement, example also can adopt the trading volume of nearly n time and trading volume total value ratio to carry out weight dynamic corrections, does not limit quantity n.
In other variant embodiment, if the price volalility duration of medicinal material exceedes the 3rd default time interval, can revise the weighted value of this medicinal material.
With reference to the high-level schematic functional block diagram that Fig. 6, Fig. 6 are Chinese crude drug price index generation system first embodiment of the present invention.
The executive agent of the Chinese crude drug price index generation system that the present embodiment proposes is Chinese crude drug price index server, the multiple terminal to server be connected with this server of Chinese crude drug price index report the price of often kind of specification product of medicinal material, and the terminal be connected with Chinese crude drug price index server can be PC, pad and mobile phone etc.
The present embodiment proposes a kind of Chinese crude drug price index generation system, comprising:
Acquisition module 10, for obtaining each specification product corresponding to various medicinal material in predefined medicinal material type successively, the average price in each predefined market in the first prefixed time interval;
Multiple trade company is had to report the price of each specification product of medicinal material in each market, the data entry page face that trade company is provided by Chinese crude drug price index server, report the price of each specification product of medicinal material, user can report the price of each specification product of medicinal material every day, also regularly can report the price of each specification product of medicinal material; Server is when receiving the price data that terminal is uploaded, price data is detected, select effective data as the price of specification product, then according to the average price of each specification product of calculation of price of the specification product selected, make the average price that calculates more accurate.
In the present embodiment, can assess reporting the trade company of specification product price, reporting the number of times of specification product price to sort to trade company in prefixed time interval
Server is according to the market prestored and the mapping relations (the corresponding multiple trade company in each market) between trade company, determine the price of the specification product corresponding to each market, the price of the specification product corresponding to each duration is averaged, this product average is then the average prices of these specification product in this market, and each duration is to there being multiple trade company in the present embodiment.
The average price arranging the i-th market jth specification product is P1
ij, the standard average price of the i-th market jth specification product is P0
ij, then the price index K of the jth specification product in the i-th market
ijfor K
ij=P1
ij/ P0
ij.
In the present embodiment, the standard average price preset of the jth specification product in the i-th market refers to, the average price of the jth specification product in the i-th market in the base period preset, this base period, can be fixing base period, and in this base period, price of medicinal material fluctuation is affected by human factors less; If or the price volalility of current specification product is comparatively large, and the time interval nearer with very first time spacing distance can be selected as base period.In the present embodiment, the first prefixed time interval is preferably one week.
In the present embodiment, some medicinal materials are divided into plurality of specifications, such as the root of herbaceous peony, are divided into one-level, secondary, three grades and level Four, and some medicinal materials are that unified specification is as white ginseng.
Computing module 20, for the average price according to each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market, and according to the price index of each specification product in each predefined market calculated, calculate the price index of each specification product in the prefixed time interval of all predefined markets first, and the price index corresponding according to each specification product calculated, calculate the total price index in corresponding medicinal material first prefixed time interval.
The quantity arranging market is n, and the price index of the jth specification product in the i-th market is K
ij, then jth specification product price index K
jcomputing formula be:
Arrange jth specification product price index K
j, the quantity of the specification product of medicinal material is n, then the total price index K of medicinal material
xcomputing formula be:
The Chinese crude drug price index generation system that the present embodiment proposes, first calculates the price index in each market of each specification product of often kind of medicinal material, and calculates the price index of these specification product according to these specification product at the price index in each market; Calculate the price index of medicinal material according to the price index of each specification product of medicinal material, price index acquires the price of the plurality of specifications product in multiple market when calculating, data acquisition range is wide, and the price of medicinal material index calculated is accurate.
In the present invention in price of medicinal material index generation system first embodiment, described computing module 20 also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index in described predefined medicinal material type very first time interval.
Can classify by following two kinds of methods to Chinese crude drug: 1) classify by medicinal material function, Chinese crude drug is divided into diaphoretic medicine, antipyretic, purgatives medicine, medicine for rheumatism, damp-clearing drug, drugs for dispelling internal cold, qi-regulating drug, digestants, anthelmintic, hemostatic, drug for invigorating blood circulation and eliminating stasis, expectorants, antitussives and anti-asthmatics medicine, sedative, medicine for calming liver and calming endopathic wind, awaking drug and qi-restoratives medicine 16th National Congress of Communist Party of China class; 2) classify by the position of medicinal material, Chinese crude drug is divided into root and rhizome class, fruit, sub-benevolence class, whole grass, flower, spore class, leaf class, skin class, stem wood class, resene, bacterium, algae, animal class, mineral substance and other class 12 large classes; 3) classify by the place of production of medicinal material.Every type medicinal material with the medicinal material representatively medicinal material of some, can be avoided when choosing and representing medicinal material the representative medicinal material corresponding to each middle type medicinal material to occur overlapping situation as far as possible, represents medicinal material and have ubiquity and mass-market advantage.
In the present embodiment, predetermined medicinal material type is carry out the various medicinal material types of classifying, as root and rhizome class, whole grass etc. by the position of medicinal material.When weight calculation, first the sales volume data of medicinal material are normalized, to obtain the weight of various medicinal material, and the weight got is revised, the method revised comprises artificial neural network revised law, Delphi method and Field Using Fuzzy Comprehensive Assessment, and in the present embodiment, modification method is preferably artificial neural network coaching method.
Arranging medicinal material type is the medicinal material undertaken by the position of medicinal material in the various medicinal material types of classifying, and corresponding total price index is K
x, the weighted value of medicinal material is W
x, the quantity of this medicinal material type Chinese crude drug is l, then the total price index of the medicinal material type preset is K
dcomputing formula be:
For the medicinal material type of being undertaken classifying by medicinal material function and the medicinal material place of production, directly corresponding according to various medicinal material in this medicinal material type total price index, calculates the total price index of this medicinal material type, and arranging total price index corresponding to medicinal material is K
x, the quantity of this medicinal material type Chinese crude drug is n, then the total price index of this medicinal material type is K
d1computing formula be:
In the present invention in price of medicinal material index generation system first embodiment, described computing module 20 also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index of medicinal material in the first prefixed time interval.
In the present embodiment, predetermined medicinal material type is carry out the various medicinal material types of classifying, when classifying by the position of medicinal material by the position of medicinal material, weight corresponding to various medicinal material type is preferably: root and rhizome class 51%, fruit, sub-benevolence class 12%, whole grass 6%, flower, spore class 4%, leaf class 1.5%, skin class 3.5%, stem wood class 2%, resene 3%, bacterium, algae 9%, animal class 5%, mineral substance 2% and other class 1%.
The total price index arranging medicinal material type is K
d, the weighted value of medicinal material type is W
d, to be then the computing formula of K be the total price index of medicinal material:
In the present embodiment, price of medicinal material index server can preserve the total price index K in medicinal material first prefixed time interval that calculates
x, the total price index K pre-determined in medicinal material type very first time interval
d, and the total price index of medicinal material is K, when receiving the inquiry request that terminal triggers based on the query interface that price of medicinal material index server sends, determines that query contents corresponding to this inquiry request is (as K
xand or K
dand or K), the query contents of acquisition is also sent to corresponding terminal by the query contents that acquisition is determined; Meanwhile, also can generating the total price index K in medicinal material first prefixed time interval
x, the total price index K pre-determined in medicinal material type very first time interval
d, and the total price index of medicinal material is after K, by K
xand or K
dand or K be sent to default communication terminal or server, to issue the price of medicinal material index calculated.For the medicinal material type of carrying out classifying according to the place of production of medicinal material and effect, do not carry out the calculating of medicinal material total price index.
In the present invention in price of medicinal material index generation system first embodiment, described computing module 20 also for according to preset formula according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
In the present embodiment, the time interval very first time is formed continuously by n to arrange the second prefixed time interval, price of medicinal material index in multiple continuous print very first time interval is followed successively by K1, K2, K3...Kn, price index in second time interval is Kr, then the formula preset is Kr=(K1+K2+K3+...+Kn)/n.
Such as, one week is spaced apart when the very first time of presetting, second time interval of presetting is one month, the price of medicinal material index arranging in second time interval first week is K1, the price of medicinal material index of second week is K2, the price of medicinal material index of the 3rd week is K3, and the price of medicinal material index of 4th week is K4, then the price index in second time interval is Kr=(K1+K2+K3+K4)/4.
In the present embodiment, the medicinal material total price index in second time interval and medicinal material type price index, all calculate by such scheme and obtain.
With reference to the high-level schematic functional block diagram that Fig. 7, Fig. 7 are Chinese crude drug price index generation system second embodiment of the present invention.
Based on the first embodiment, Chinese crude drug price index generation system second embodiment of the present invention is proposed, in the present embodiment, this system also comprises correcting module 30, for when average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
The preferred version of correcting module 30 when revising the weighted value of medicinal material is, using the trading volume of nearly 5 times as artificial neural network initial input variable, using the trading volume total value ratio of nearly 5 times as initial weight, carry out weight dynamic corrections, when this enforcement in example, correcting module 30 also can adopt the trading volume of nearly n time and trading volume total value ratio to carry out weight dynamic corrections, does not limit quantity n.
In other variant embodiment, if the price volalility duration of medicinal material exceedes the 3rd default time interval, correcting module 30 can be revised the weighted value of this medicinal material.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a generation method for Chinese crude drug price index, is characterized in that, comprising:
Obtain successively and pre-determine each specification product that in medicinal material type, various medicinal material is corresponding, average price in each predefined market in the first prefixed time interval, and according to the average price in each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market;
According to the price index of each specification product in each predefined market calculated, calculate the price index of each specification product in the prefixed time interval of all predefined markets first;
The price index corresponding according to each specification product calculated, calculates the total price index in corresponding medicinal material first prefixed time interval.
2. method according to claim 1, is characterized in that, the described price index corresponding according to each specification product calculated, and after calculating the step of the total price index in corresponding predefined medicinal material first prefixed time interval, the method comprises:
The total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index in described predefined medicinal material type very first time interval.
3. method according to claim 2, it is characterized in that, described basis pre-determines total price index corresponding to various medicinal material in medicinal material type and default weighted value, and after calculating the step of the total price index in described predefined medicinal material type very first time interval, the method comprises:
The total price index corresponding according to various medicinal material in predefined medicinal material type and default weighted value, calculate the total price index of medicinal material in the first prefixed time interval.
4. method according to claim 3, it is characterized in that, described basis pre-determines total price index corresponding to various medicinal material in medicinal material type and default weighted value, and after calculating the step of the total price index of medicinal material in the first prefixed time interval, the method comprises:
According to the formula preset according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
5. method according to claim 2, it is characterized in that, described acquisition successively pre-determines each specification product that in medicinal material type, various medicinal material is corresponding, average price in each predefined market in the first prefixed time interval, and according to the average price in each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculated each specification product before the step of the price index in each predefined market, the method comprises:
When average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
6. a generation system for Chinese crude drug price index, is characterized in that, comprising:
Acquisition module, for obtaining each specification product corresponding to various medicinal material in predefined medicinal material type successively, the average price in each predefined market in the first prefixed time interval;
Computing module, for the average price according to each predefined market corresponding to each specification product obtained, and the standard average price in each predefined market corresponding to each specification product of presetting, calculate the price index of each specification product in each predefined market, and according to the price index of each specification product in each predefined market calculated, calculate the price index of each specification product in the prefixed time interval of all predefined markets first, and the price index corresponding according to each specification product calculated, calculate the total price index in corresponding medicinal material first prefixed time interval.
7. system according to claim 6, it is characterized in that, described computing module also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index in described predefined medicinal material type very first time interval.
8. system according to claim 7, is characterized in that, described computing module also for according to pre-determining the total price index and default weighted value that in medicinal material type, various medicinal material is corresponding, calculates the total price index of medicinal material in the first prefixed time interval.
9. system according to claim 8, it is characterized in that, described computing module also for according to preset formula according to the total price index of medicinal material in multiple continuous print first prefixed time interval, calculate the price index of medicinal material in the second prefixed time interval, wherein, described multiple continuous print first prefixed time interval forms the second prefixed time interval.
10. system according to claim 7, it is characterized in that, this system also comprises correcting module, for when average price more than the quantity of the specification product of the first pre-set threshold value more than the second pre-set threshold value time, the weighted value of various medicinal material in predefined medicinal material type is revised.
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