CN108648002A - A kind of Estimation System and method of fruit weighting price - Google Patents
A kind of Estimation System and method of fruit weighting price Download PDFInfo
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Abstract
The present invention relates to Estimation System and method that a kind of fruit weights price, which includes：Definition module, search module, weighting block, composite index synthesis module and graphical representation module；The system passes through with collecting fruit main product, it calculates fruit and weights price index, and it is shown into row information by patterned forms such as K line charts, the present invention provides one kind can with quantization means, graphically reflect certain class fruit pricing information, the system accuracy is high, efficient, legibility is strong, convenient for monitoring this kind of fruit price change, the situation of imperfect, opaque, the effective difference of fruit pricing information in the prior art is broken away from, contribute to orchard worker targetedly to arrange plantation, production and selling plan, is conducive to the economic well-being of workers and staff for improving orchard worker and local dealer.
Description
Technical field
The present invention relates to the skill of deduction and calculation fields of commodity price, and in particular to a kind of Estimation System of fruit weighting price and
Method.
Background technology
Fruit market conditions in China's are complicated and changeable in recent years, on the one hand, and price fluctuation is acutely and frequent, still further aspect,
There is the situation of " both ends are difficult " in market, i.e., in field orchard, large quantities of fruit nobody shows any interest in the situation of appearance " selling difficulty ", and zero
Market, fruit price run at high level are sold, consumer usually feels more fruit " buying difficulty ".Although fruit price fluctuation is frequently and violent,
Orchard worker is at a loss as to what to do in face of the even unmanned buying of lower purchasing price, and it is helpless that consumer faces fruit higher price, this
A little enough attentions for but not yet causing relevant departments.In the prior art, since one unification of shortage, transparent fruit price push away
Calculation system causes peasant household and consumer that cannot fully understand current fruit pricing information, and the price fluctuation amplitude of fruit is big, becomes
Change frequent, especially there is interest group to manipulate certain fruit product prices often, often occurs that fruit is out of stock and unsalable situation,
It usually will appear phenomenon of not having a good harvest of getting bumper crops, drastically influence the economic interests of numerous orchard workers, local dealer and consumer.
Invention content
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of fruit to weight pushing away for price
Calculate system and method.The system by collect fruit main product, mainly import and export harbour, distribution centre, large supermarket fruit valence
Lattice, integrated use weighting system calculate fruit and weight price index, and by graphical module by the fruit pricing information of various regions
It is shown, to break away from the situation of imperfect, opaque, the effective difference of traditional fruit pricing information, to help orchard worker's needle
Arrangement plantation, production and selling plan to property.
In order to achieve the above object, the present invention adopts the following technical scheme that：A kind of Estimation System of fruit weighting price, packet
It includes：
Definition module, search module, weighting block, composite index synthesis module and graphical representation module；
Wherein, described search module and the weighting block input terminal phase with the composite index synthesis module respectively
Even；
The output end of the composite index synthesis module is connected with the graphical representation module；
The definition module is used to complete to set the information at fruit classification, the main place of production, main distribution centre, inlet and outlet harbour
Fixed and definition；
Described search module is on the internet to specifying fruit to carry out the search of pricing information；
The weighting block is used to complete the weight setting to all kinds of prices of fruit；
The calculating that the composite index synthesis module is used to complete to weight fruit price index；
The graphical representation module is for opening up the price index that the composite index synthesis module is calculated
Show.
Optionally, the composite index synthesis module is calculated in a manner of K line charts for the graphical representation module
Price index be shown.
The present invention also provides the projectional techniques that a kind of fruit weights price, including：
Step S1：It is completed to fruit classification, the main place of production, main distribution centre, inlet and outlet harbour by the definition module
Information attribute setting；
Step S2：The information attribute that described search module is arranged according to step S1, on the internet to corresponding fruit
Carry out price search；
Step S3：The weight of the step S2 all kinds of attributes prices of fruit searched for is set by weighting block completion
It sets；
Step S4：The composite index synthesis module is according to the step S2 all kinds of attributes prices of fruit searched for and step
The weight of all kinds of attributes prices of fruit of rapid S3 settings, completes the calculating that price index is weighted to fruit；
Step S5：The step S4 price index being calculated are shown by the graphical representation module.
Optionally, the composite index synthesis module is to the calculation formula of fruit weighting price index：
Wherein, P indicates that fruit weights price index；N indicates certain class fruit attribute number；piIt is that some is single for such fruit
The corresponding price numerical value of attribute, diThe as weight of i-th such fruit price attribute.
Optionally, the weight of described i-th such fruit price attribute is calculated using analytic hierarchy process (AHP), specific mistake
Cheng Wei：
The price attribute grouping comparison two-by-two of such fruit is pressed first, is then ranked the opposite of each attribute by 9 points of position ratios
Order of quality constructs judgment matrix A successively,
Wherein, A is discrimination matrix, is met：
aijThere are 9 kinds of values, respectively 1/9,1/7,1/5,1/3,1/1,3/1,5/1,7/1 and 9/1, fruit valence is indicated respectively
The significance level of lattice attribute；
For some fruit price attribute, weight is calculated using geometric average method；
The product of each element of each rows of calculating matrix A obtains the matrix B of a n row one row：
Wherein,
The n times root of each element obtains Matrix C in calculating matrix B：
Wherein,
Matrix C is normalized to obtain matrix D：
Wherein,
Optionally, described search module carries out fruit price vertical search on website by HttpClient components, leads to
It crosses and structuring extraction is carried out to the webpage information in page storage, extraction obtains the corresponding valence of such fruit some single attribute
Lattice data.
Optionally, for the relatively-stationary page of page layout, page extraction, the quilt are carried out in conjunction with passive template way
Moving platen mode is to carry out template configuration to specific webpage in advance, and in xml format store template, in extraction template in advance
The pricing information of installation position.
Optionally, fruit price data is after extraction obtains in webpage, using credibility interval method to being extracted from webpage
To fruit price data handled, to get rid of interference data.
Optionally, in step S5, the step S4 is calculated in a manner of K line charts for the graphical representation module
Price index be shown.
The present invention uses above technical scheme, the fruit to weight the Estimation System of price, including：Definition module, search
Module, weighting block, composite index synthesis module and graphical representation module；The system is by with collecting fruit main product, calculating
Fruit weight price index, and by the patterned forms such as K line charts into row information show, provide one kind can use quantization means,
Graphically reflect certain class fruit pricing information, the system accuracy is high, efficient, legibility is strong, convenient for monitoring this kind of fruit valence
Lattice change, and have broken away from the situation of imperfect, opaque, the effective difference of fruit pricing information in the prior art, have contributed to orchard worker's needle
Arrangement plantation, production and selling plan to property, are conducive to the economic well-being of workers and staff for improving orchard worker and local dealer.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of fruit weighting price Estimation System of the present invention；
Fig. 2 is the process chart of fruit weighting price projectional technique of the present invention.
In figure：1, definition module；2, search module；3, weighting block；4, composite index synthesis module；5, graphical exhibition
Show module.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
As shown in Figure 1, the present invention provides the Estimation Systems that a kind of fruit weights price, including：
Definition module 1, search module 2, weighting block 3, composite index synthesis module 4 and graphical representation module 5；
Wherein, described search module 2 and the weighting block 3 input terminal with the composite index synthesis module 4 respectively
It is connected；
The output end of the composite index synthesis module 4 is connected with the graphical representation module 5；
The definition module 1 is used to complete to fruit classification, the main place of production, main distribution centre, the information for importing and exporting harbour
Setting and definition；
Described search module 2 is on the internet to specifying fruit to carry out the search of pricing information；
The weighting block 3 is used to complete the weight setting to all kinds of prices of fruit；
The calculating that the composite index synthesis module 4 is used to complete to weight fruit price index；
The price index that the graphical representation module 5 is used to the composite index synthesis module 4 being calculated carries out
Displaying.
Specifically, the graphical representation module 5 is calculated the composite index synthesis module 4 in a manner of K line charts
To price index be shown.
As shown in Fig. 2, the present invention also provides the projectional techniques that a kind of fruit weights price, including：
Step S1：It is completed to fruit classification, the main place of production, main distribution centre, inlet and outlet harbour by the definition module 1
Information attribute setting；
Step S2：The information attribute that described search module 2 is arranged according to step S1, on the internet to corresponding fruit
Carry out price search；
Step S3：The weight to the step S2 all kinds of attributes prices of fruit searched for is completed by the weighting block 3
Setting；
Step S4：The composite index synthesis module 4 according to the step S2 all kinds of attributes prices of fruit searched for and
The weight of all kinds of attributes prices of fruit of step S3 settings, completes the calculating that price index is weighted to fruit；
Step S5：The step S4 price index being calculated are shown by the graphical representation module 5.
It should be noted that the calculation formula that the composite index synthesis module 4 weights fruit price index is：
Wherein, P indicates that fruit weights price index；N indicates certain class fruit attribute number；piIt is that some is single for such fruit
The corresponding price numerical value of attribute, diThe as weight of i-th such fruit price attribute.
Index=current fruit weights price；
Index is indicated with positive real number, using day as the least unit in calculating cycle period, is more than least unit when the period of calculating
When, the price average to calculate the minimum of computation unit that the time includes is weighted price index calculating.
Chain base index=current index value/last issue index value；
Same ratio index=this month index value/on same month, upper 1 index value.
Composite index synthesis module 4 according to certain fruit (such as watermelon) it is all kinds of (according to the main place of production, main distribution centre,
The equal attributes at inlet and outlet harbour are classified) weight of price carries out price index weighted calculation, and the weight of weighting is using level
Analytic approach is calculated, and detailed process is：
The price attribute grouping comparison two-by-two of such fruit is pressed first, is then ranked the opposite of each attribute by 9 points of position ratios
Order of quality constructs judgment matrix A successively,
Wherein, A is discrimination matrix, is met：
aijThere are 9 kinds of values, respectively 1/9,1/7,1/5,1/3,1/1,3/1,5/1,7/1 and 9/1, fruit valence is indicated respectively
The significance level of lattice attribute；
For some fruit price attribute, weight is calculated using geometric average method；
The product of each element of each rows of calculating matrix A obtains the matrix B of a n row one row：
Wherein,
The n times root of each element obtains Matrix C in calculating matrix B：
Wherein,
Matrix C is normalized to obtain matrix D：
Wherein,
It should be further noted that described search module 2 carries out specified water by automatic Searching on the internet
The pricing information of fruit is searched for, and searching method is as follows：
(1) described search module 2 carries out fruit price vertical search on website by HttpClient components, by right
Webpage information in page storage carries out structuring extraction, extraction obtain such fruit some single attribute (such as main place of production,
The equal attributes at main distribution centre or inlet and outlet harbour) corresponding price data.It is more complicated, easy for other structure of web page
The fruit pricing information website of change, using improved data pick-up mode, using Htmlparse components, according to weights into
Row fruit data pick-up.
Further, for the relatively-stationary page of page layout, page extraction is carried out in conjunction with passive template way, it is described
Passive template way is to carry out template configuration to specific webpage in advance, and in xml format store template, pre- in extraction template
The pricing information of first installation position.The characteristics of information that limited a website can be directed to so is accurately acquired, which
It is simple, accurate, technical difficulty is low, fast and easy deployment.
(2) interference data mask is carried out using credibility interval method
Fruit price data might have some data not being consistent with inquiry original intention, example after extraction obtains in webpage
Such as:It is when carrying out page analysis, discounting data " 8.8 " are collected as price data.Accurately to search for fruit valence
Lattice should also carry out collected data summarizing processing, and price is always fluctuated around value, superelevation or ultralow price
Data only account for the small part returned the result, and credibility interval method may be used to get rid of some interference data, make search result
It is more accurate effective.By testing repeatedly, inaccurate price data can be removed very well by taking confidence level to be 90% credibility interval,
After processing, the data such as average value, maximum value, minimum value, the domain of walker of commodity price can be obtained, can be pushed away to user
Recommend commodity price.
It needs further to remark additionally, in step S5, the graphical representation module 5 is in a manner of K line charts by institute
The price index that step S4 is calculated is stated to be shown.The display technique comparative maturity of K line charts, application of the financial markets compared with
It is more, rarely have application in fruit price field.The present invention applies K line charts in the displaying that fruit weights price index, facilitates use
It checks, track fruit market in family.
The present invention uses above technical scheme, according to fruit-producing area, imports and exports the attributes such as harbour, the wholesale distribution centre of fruit,
The weight that each attribute is calculated using analytic hierarchy process (AHP) is worked out fruit according to different weights, self-defined mode and weights price index, solution
Certainly existing fruit pricing information attribute is single, without weight, directiveness difference problem；It is automatically carried out using much information acquisition technique
Fruit pricing information updates, and ensures the promptness of fruit pricing information to a certain extent, is greatly reduced pricing information acquisition
Cost；The present invention draws fruit price index figure by the way of K line charts, facilitates usertracking, prediction fruit price；User can
The Estimation System progress fruit price queries that the fruit weights price are logged in by application software such as wechats.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of Estimation System of fruit weighting price, which is characterized in that including：
Definition module, search module, weighting block, composite index synthesis module and graphical representation module；
Wherein, described search module and the weighting block are connected with the input terminal of the composite index synthesis module respectively；
The output end of the composite index synthesis module is connected with the graphical representation module；
The definition module be used for completes to fruit classification, the main place of production, main distribution centre, inlet and outlet harbour information setting and
Definition；
Described search module is on the internet to specifying fruit to carry out the search of pricing information；
The weighting block is used to complete the weight setting to all kinds of prices of fruit；
The calculating that the composite index synthesis module is used to complete to weight fruit price index；
The graphical representation module is for the price index that the composite index synthesis module is calculated to be shown.
2. Estimation System according to claim 1, which is characterized in that the graphical representation module is in a manner of K line charts
The price index that the composite index synthesis module is calculated is shown.
3. a kind of projectional technique of fruit weighting price, which is characterized in that the projectional technique includes：
Step S1：It is completed to fruit classification, the main place of production, main distribution centre, the letter for importing and exporting harbour by the definition module
Cease attribute setting；
Step S2：The information attribute that described search module is arranged according to step S1 on the internet carries out corresponding fruit
Price is searched for；
Step S3：By the weighting block complete that the weight of the step S2 all kinds of attributes prices of fruit searched for is arranged；
Step S4：The composite index synthesis module is according to the step S2 all kinds of attributes prices of fruit searched for and step S3
The weight of all kinds of attributes prices of fruit of setting completes the calculating that price index is weighted to fruit；
Step S5：The step S4 price index being calculated are shown by the graphical representation module.
4. projectional technique according to claim 3, which is characterized in that the composite index synthesis module is to fruit weighted average price
The calculation formula of grid index is：
Wherein, P indicates that fruit weights price index；N indicates certain class fruit attribute number；piIt is some single attribute of such fruit
Corresponding price numerical value, diThe as weight of i-th such fruit price attribute.
5. projectional technique according to claim 4, which is characterized in that the power of described i-th such fruit price attribute
It is calculated again using analytic hierarchy process (AHP), detailed process is：
The price attribute grouping comparison two-by-two of such fruit, the relative superior or inferior for each attribute that is then ranked by 9 points of position ratios are pressed first
Sequentially, judgment matrix A is constructed successively,
Wherein, A is discrimination matrix, is met：
aijThere are 9 kinds of values, respectively 1/9,1/7,1/5,1/3,1/1,3/1,5/1,7/1 and 9/1, fruit price category is indicated respectively
The significance level of property；
For some fruit price attribute, weight is calculated using geometric average method；
The product of each element of each rows of calculating matrix A obtains the matrix B of a n row one row：
Wherein,
The n times root of each element obtains Matrix C in calculating matrix B：
Wherein, ci=bi n；
Matrix C is normalized to obtain matrix D：
Wherein,
6. projectional technique according to claim 3, which is characterized in that described search module passes through on website
HttpClient components carry out fruit price vertical search, by carrying out structuring pumping to the webpage information in page storage
It takes, extraction obtains the corresponding price data of such fruit some single attribute.
7. projectional technique according to claim 6, which is characterized in that for the relatively-stationary page of page layout, in conjunction with
Passive template way carries out page extraction, the passive template way be template configuration carried out to specific webpage in advance, and with
XML format stores template, and the pricing information of position is pre-set in extraction template.
8. projectional technique according to claim 6, which is characterized in that fruit price data from webpage extract obtain after,
The fruit price data extracted from webpage is handled using credibility interval method, to get rid of interference data.
9. projectional technique according to claim 3, which is characterized in that in step S5, the graphical representation module is with K lines
The step S4 price index being calculated are shown by the mode of figure.
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| US20150134395A1 (en) * | 2013-11-14 | 2015-05-14 | Institute For Information Industry | Planning system for crop production, planning method for crop production, and non-transitory computer-readable recording medium |
| CN105205099A (en) * | 2015-08-20 | 2015-12-30 | 中国农业大学 | Agricultural product price analysis method |
| CN107403255A (en) * | 2017-06-30 | 2017-11-28 | 亳州中药材商品交易中心有限公司 | Chinese medicine price composite index assessment method and system |
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- 2018-04-28 CN CN201810400139.3A patent/CN108648002A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| CN101251852A (en) * | 2008-01-11 | 2008-08-27 | 孟小峰 | Integrating system and method of Web data facing to field |
| CN102402539A (en) * | 2010-09-15 | 2012-04-04 | 倪毅 | Design technology for object-level personalized vertical search engine |
| US20150134395A1 (en) * | 2013-11-14 | 2015-05-14 | Institute For Information Industry | Planning system for crop production, planning method for crop production, and non-transitory computer-readable recording medium |
| CN105205099A (en) * | 2015-08-20 | 2015-12-30 | 中国农业大学 | Agricultural product price analysis method |
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