CN106779607A  The method and system of software project cost estimation are realized based on computer software  Google Patents
The method and system of software project cost estimation are realized based on computer software Download PDFInfo
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 CN106779607A CN106779607A CN201611197107.5A CN201611197107A CN106779607A CN 106779607 A CN106779607 A CN 106779607A CN 201611197107 A CN201611197107 A CN 201611197107A CN 106779607 A CN106779607 A CN 106779607A
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Abstract
Description
Technical field
The present invention relates to program estimation technical field, more particularly to software project cost estimating techniques field, specifically refer to A kind of method and system that software project cost estimation is realized based on computer software.
Background technology
In project management, software project estimation is the core place of software project management, can just be drawn by estimation soft The plan of part project, and the foundation as software project controlling.One successful project has first had to a rational project meter Draw, and a rational project plan, it be unable to do without an accurate, credible, objective program estimation.
The purpose of software project estimation is for software project formulates a budget, for supporting item Executive Team personnel The distribution of reasonable arrangement project schedule plan and guide item specific works, so as to allow project to be carried out under controllable state, while For followup software quality provides contrasting foundation, the experience that problem present in project is become reconciled therefrom is found out, promote holding for enterprise It is continuous to improve.
Software project estimation is mainly including Quantity customizing, workload estimation, project cost estimation, calculation of natural resources etc..
1st, Quantity customizing
The key step of existing Delphi (Delphi method, expert's established procedure investigation method) Quantity customizing includes：Really Surely object is estimated, is assigned estimation tasks, is estimated respectively, collect unified estimation, determine estimation result, as shown in Figure 1：
1) estimation object is determined：
This estimation object that assessor identifies project according to the actual conditions of project, e.g. module, document is still needed Ask；
2) estimation tasks are assigned：
Estimation object (A, B, C, D ...) is distributed to many individuals and estimated respectively by estimation director；
3) each assessor estimates respectively：
Each assessor each estimated respectively, draws estimation result, and is transmitted to estimation director, such as：
A:{a1、a2、a3、a4……}
B:{b1、b2、b3、b4……}
C:{c1、c2、c3、c4…….}。
4) unification collects estimation：
Estimation director's unification collects estimation result and calculates the mathematical mean conduct of the estimation result of each estimation object Final estimation result A=AVERAGE (a1, a2, a3, a4), B=... .., C=... ...
5) estimation result is determined：
Estimation director compares estimation result, if there is estimation result to exceed worst error allowed band i.e., a1A>Maximum is by mistake Difference scope, then can carry out restarting estimation；If no, estimation terminates.Manual sorting this estimation data, draw scale Estimation result, generally in forms such as thousand code lines, demand numbers.
2nd, workload estimation
The key step of work on hand amount estimation includes：Obtain the Quantity customizing result of estimation object, determine estimation difficulty Productivity ratio etc., determination are managed, support ratio, amount of calculation estimation result shared by class workload type, such as per capita for coefficient, determination Shown in Fig. 2：
1) the Quantity customizing result of estimation object is obtained：
Manual delivery obtains abovementioned Quantity customizing result；
2) estimation degreeofdifficulty factor is determined：
It is determined that the degreeofdifficulty factor value of estimation object, influences followup workload estimation；
3) productivity ratio per capita is determined：
Productivity ratio per capita according to tissue determines the productivity ratio per capita of this project；
4) determine that class workload type institute accounting is supported in management, paper：
Actual conditions according to project determine management, support ratio shared by class workload type, and for example support class is technology The 30% of workload, management class is the 40% of technical work amount.
5) amount of calculation estimation result：
Usually using equation below：
The productivity ratio of the technical work amount=∑ Quantity customizing result × degreeofdifficulty factor of object (estimation)/per capita,
Management workload=technical work amount × ratio shared by management workload,
Support works amount=technical work amount × ratio shared by support workload,
Project work amount=Project Technical workload+Project Management amount+project support works amount,
The workload estimation result of project is calculated, generally with man day, manyear or in the form of the man month.
3rd, cost estimation
The key step of existing cost estimation includes：Workload estimation result is obtained, working unit amount cost is determined, is calculated Cost estimation result, as shown in Figure 3：
1) workload estimation result is obtained：
Manual delivery obtains abovementioned workload estimation result；
2) working unit amount cost is determined：
Productivity ratio per capita according to tissue determines the working unit amount cost of this project；
3) cost estimation result is calculated：
Usually using formula：The cost of cost estimation result=workload estimation result × working unit amount,
Cost estimation result is calculated, generally in the form of unit.
4th, the data transfer of software estimation
The data transfer flow of existing software estimation as shown in figure 4, Quantity customizing in software estimation, workload estimation, into This estimation is not usually a group of people, by estimating that expert carries out Quantity customizing, is then carried out by project leader or Executive Team The estimation of workload and cost.After Quantity customizing terminates, by the result papery transmission amount of the being operated estimation of Quantity customizing；Work After amount estimation result, the transmission of workload estimation result papery is carried out into cost estimation.If a middle link mistake in computation, by weight New biography delivery data, reevaluates, if for example Quantity customizing result there are errors in computation, Quantity customizing will be restarted, then carry out work Work amount is estimated, then carries out cost estimation.
5th, software estimated data management
The data management basic procedure of existing software estimation is as shown in figure 5, generally use this labor management, papery document Manage the mode of data, the data that neither one system or device unified management software are estimated, including Delphi estimation algorithms Quantity customizing intermediate data, Quantity customizing result；Workload estimation process data, estimation result；Cost estimation process data, estimate Calculate result；Estimation finishes software project estimation table of rear output etc..
6th, software project estimation table
Existing software project estimation table write flow as shown in fig. 6, software estimation terminate after, estimator manually will rule Mould estimation result, evaluation method, workload estimation result, project cost estimation result etc. are arranged and are written as software project estimation Table, as the output of achievement.
Existing estimating techniques, have the shortcomings that following：
1st, estimation coefficient is not comprehensive, and workload estimation result is inaccurate.
In existing workload estimation, a degreeofdifficulty factor is only taken into account, but in actual items, influence workload estimation Result, being far above a degreeofdifficulty factor, the complexity of demand, reusing degree of code etc. can all influence the estimation knot of workload Really.
2nd, data transfer is slow, it is impossible to automatic to calculate
In existing software estimation, during Delphi Quantity customizings, assign and collect, including repeatedly assign and collect, wherein Data be handoff calculate.When the result of Quantity customizing passes to workload estimation, workload estimation result is passed into (see Fig. 4) during this estimation, estimated data is handoff, if there is mistake, need to again transmit and recalculate.Due to estimation not It is that a group of people is carried out, so can wastes the substantial amounts of time during data are transmitted.
During Quantity customizing, after each assessor provides estimation result, it should can collect automatically draw average value and compare to Go out prompting, without manually going to collect whether multilevel iudge needs to reevaluate.Workload is entered based on Quantity customizing result Row estimation, cost is estimated based on workload estimation result, Quantity customizing result out after, workload estimation is estimated with cost Can automatically carry out at last, quickly draw estimation result, but present handoff estimation cannot be realized.Therefore one is needed The efficient automatic estimating system for calculating of data interaction transmission.
3rd, labor management data, take fallibility
Existing software estimated data management relies primarily on artificial, papery management estimated data, estimates related data, if It is the project of multiconfiguration, then data can be more, labor management estimated data, need to expend substantial amounts of human resources and time, and Easily error, influences operating efficiency and work quality.
4th, manual compiling software project estimation table, takes time and effort
, it is necessary to export formal software project estimation table after the completion of program estimation, the data in software project estimation table are The result of program estimation (Quantity customizing, workload estimation, cost estimation and calculation of natural resources).Since program estimation work is complete Into data genaration should be obtained automatically from estimation process and estimation result.But, it is necessary to artificial handle in existing estimating techniques Estimation result is written as software project estimation table, waste of manpower resource and time again.
The content of the invention
The purpose of the present invention is the shortcoming for overcoming abovementioned prior art, there is provided one kind can be by computer software system The method and system that the software project cost realized of uniting is estimated.
To achieve these goals, the method that software project cost estimation is realized based on computer software of the invention And system is as follows：
This realizes the method for software project cost estimation based on computer software, comprises the following steps：
(1) attribute is operated by Delphi method to estimate；
(2) the result amount of the being operated estimation estimated according to working attributes；
(3) result estimated according to workload carries out cost estimation.
It is preferred that described step (1) is comprised the following steps：
(11) estimation director sets up the estimation tasks of working attributes, sets the essential information of estimation, and described is estimated The essential information import system of calculation；
(12) estimation director determines estimation object, and by described estimation object import system；
Estimation tasks are assigned to each assessor by (13) system；
(14) each assessor performs respective estimation tasks, provides estimation result；
(15) estimates that director collects estimation result unification；
(16) systemcomputed respectively estimates the average value of the estimation result of object, and the average value is estimated as working attributes The result of calculation.
More preferably, the essential information of described estimation includes estimation title, estimation description, assessor, estimation date, maximum Tolerance rate and working attributes unit.
More preferably, described estimation object includes module, document, demand and activity.
More preferably, it is further comprising the steps of between described step (15) and step (16)：
(151) systemcomputed each estimation object each assessor estimation result average value as estimation result；
Whether (152) system judges estimation result that the estimation result provides with each assessor beyond maximum allowable Deviation, if it is, prompting estimation director；
(153) estimation director organizes each assessor to carry out subsequent passes estimation, and estimation result is filled in again, when respectively estimating When calculating the estimation result of object entry all without departing from the deviation range for allowing, working attributes estimation is completed.
It is preferred that described step (2) is comprised the following steps：
(21) estimates coefficient according to the actual conditions setting option purpose of project；
(22), according to workload distributed constant come estimated work, described workload distributed constant is different types of It is operated in proportion in whole workload；
(23) adjusts the productivity ratio per capita of this project according to the productivity ratio per capita of tissue；
(24) is according to the estimation result of working attributes, estimation coefficient and the estimation of the workload distributed constant amount of being operated.
More preferably, described estimation coefficient includes degreeofdifficulty factor, complexity factor and multiplexing coefficient.
More preferably, described workload distributed constant is operated in proportion in whole workload for different types of.
More preferably, described step (22) is further comprising the steps of：
(221) creates workload distributed architecture tree, and workload distribution is filled in described workload distributed architecture tree Essential information；
(222) sets workload distributed constant according to project experiences；
(223) sets the workload distribution cost rate of each workload distribution, described workload distribution cost rate It refer to the cost needed for single workload.
More preferably, described (24) is further comprising the steps of：
(241) is estimated according to the below equation amount of being operated：
Workload estimation result=∑ Quantity customizing result × degreeofdifficulty factor × complexity factor × (1 reuses coefficient)/ Productivity ratio/workload distribution benchmark；
Workload distribution benchmark=distribution of ∑ Engineering workload/(∑ Engineering workload distribution+∑ manages class workload Distribution)；
(242) system is decomposed according to estimation object to workload, is specifically estimated the workload of object, is gone forward side by side One step is decomposed according to the type of workload；
(243) estimator adjusts the correction factor of the workload of estimation object according to the actual conditions of project, or carefully Change the workload of the Engineering workload distribution of adjustment estimation object, with the result that the workload for adjusting estimation object is estimated；
The result of the workload estimation of the estimation object after adjustment is collected and obtains final workload by (244) system Estimation result, and according to the workload after workload distribution displaying primary work amount and refinement adjustment.
Further, the correction factor of the workload of described adjustment estimation object estimates the workload of object to adjust The result of estimation, specially：
The result that workload after below equation calculates adjustment is estimated：
Result × the correction factor of the result of the workload estimation after adjustment=unadjusted workload estimation.
It is preferred that described step (3) is comprised the following steps：
The cost rate of each workload distribution pattern of (31) system in workload distribution setting and workload estimation Result, the workload cost of each workload distribution pattern is calculated and shown by below equation, and collect and obtain resulting cost The result of estimation：
Cost=∑ (workload of each distribution pattern × cost rate)；
The result of result, the result of workload estimation and cost estimation that (32) system is estimated according to working attributes, generation Software estimates table.
Also include it is a kind of for realize the above method based on computer software realize software project cost estimation System, including：
Working attributes estimation block, estimates for being operated attribute by Delphi method；
Workload estimation block, for the result amount of the being operated estimation estimated according to working attributes；
Cost estimation module, the result for being estimated according to workload carries out cost estimation.
It is preferred that described working attributes estimation block also includes：
Estimation tasks dispatch unit, for estimation tasks to be assigned into each assessor；
Estimation result collection unit, the average value of the estimation result for calculating each estimation object, and the average value is made It is the result of working attributes estimation.
It is preferred that described workload estimation block also includes：
Workload evaluation unit, enters for the estimation result according to working attributes, estimation coefficient and workload distributed constant Row workload is estimated；
Workload resolving cell, for being decomposed to workload according to estimation object, is specifically estimated the work of object Measure, and further the type according to workload is decomposed；
Workload estimation result collection unit, for the result of the workload estimation of the estimation object after adjustment, collects To final workload estimation result, and according to the workload after workload distribution displaying primary work amount and refinement adjustment.
It is preferred that described cost estimation module also includes：
Cost calculation unit, for the cost rate and work of each workload distribution pattern in workload distribution setting Work amount estimation result, calculate and show the workload cost of each workload distribution pattern, and collect obtain resulting cost estimation Result；
Software estimates table generation unit, for result, the result of workload estimation and the cost estimated according to working attributes The result of estimation, generation software estimation table.
The method and system that software project cost estimation is realized based on computer software in the invention are employed, is estimated Calculate coefficient comprehensively, workload estimation result is accurate；Data are transmitted automatically, and system is calculated automatically；Automatic management estimated data, it is time saving Accurately；Estimation work product is automatically generated, time source is saved, is with a wide range of applications.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Quantity customizing basic step of prior art.
Fig. 2 estimates the schematic diagram of basic step for the workload of prior art.
Fig. 3 is the schematic diagram of the basic procedure of the cost estimation of prior art.
The schematic diagram of the data transfer that Fig. 4 is estimated for the software of prior art.
The schematic diagram that Fig. 5 is managed for the software estimated data of prior art.
Fig. 6 writes the schematic diagram of flow for the software project estimation table of prior art.
Fig. 7 is that the flow chart of the method that software project cost estimation is realized based on computer software of the invention is illustrated Figure.
Fig. 8 is that the working attributes of the method that software project cost estimation is realized based on computer software of the invention are estimated The flow chart of calculation.
Fig. 9 is the workload estimation of the method that software project cost estimation is realized based on computer software of the invention Flow chart.
Specific embodiment
In order to more clearly describe technology contents of the invention, carried out with reference to specific embodiment further Description.
This realizes the method for software project cost estimation based on computer software, comprises the following steps：
(1) attribute is operated by Delphi method to estimate；
(2) the result amount of the being operated estimation estimated according to working attributes；
(3) result estimated according to workload carries out cost estimation.
In a kind of preferably implementation method, described step (1) is comprised the following steps：
(11) estimation director sets up the estimation tasks of working attributes, sets the essential information of estimation, and described is estimated The essential information import system of calculation；
(12) estimation director determines estimation object, and by described estimation object import system；
Estimation tasks are assigned to each assessor by (13) system；
(14) each assessor performs respective estimation tasks, provides estimation result；
(15) estimates that director collects estimation result unification；
(16) systemcomputed respectively estimates the average value of the estimation result of object, and the average value is estimated as working attributes The result of calculation.
In a kind of more preferably implementation method, the essential information of described estimation includes estimation title, estimation description, estimation People, estimation date, maximum allowable offset rate and working attributes unit.
In a kind of more preferably implementation method, described estimation object includes module, document, demand and activity.
It is further comprising the steps of between described step (15) and step (16) in a kind of more preferably implementation method：
(151) systemcomputed each estimation object each assessor estimation result average value as estimation result；
Whether (152) system judges estimation result that the estimation result provides with each assessor beyond maximum allowable Deviation, if it is, prompting estimation director；
(153) estimation director organizes each assessor to carry out subsequent passes estimation, and estimation result is filled in again, when respectively estimating When calculating the estimation result of object entry all without departing from the deviation range for allowing, working attributes estimation is completed.
In a kind of preferably implementation method, described step (2) is comprised the following steps：
(21) estimates coefficient according to the actual conditions setting option purpose of project；
(22), according to workload distributed constant come estimated work, described workload distributed constant is different types of It is operated in proportion in whole workload；
(23) adjusts the productivity ratio per capita of this project according to the productivity ratio per capita of tissue；
(24) is according to the estimation result of working attributes, estimation coefficient and the estimation of the workload distributed constant amount of being operated.
In a kind of more preferably implementation method, described estimation coefficient includes degreeofdifficulty factor, complexity factor and multiplexing system Number.
In a kind of more preferably implementation method, described workload distributed constant is operated in whole work for different types of Proportion in amount.
In a kind of more preferably implementation method, described step (22) is further comprising the steps of：
(221) creates workload distributed architecture tree, and workload distribution is filled in described workload distributed architecture tree Essential information；
(222) sets workload distributed constant according to project experiences；
(223) sets the workload distribution cost rate of each workload distribution, described workload distribution cost rate It refer to the cost needed for single workload.
In a kind of more preferably implementation method, described (24) is further comprising the steps of：
(241) is estimated according to the below equation amount of being operated：
Workload estimation result=∑ Quantity customizing result × degreeofdifficulty factor × complexity factor × (1 reuses coefficient)/ Productivity ratio/workload distribution benchmark；
Workload distribution benchmark=distribution of ∑ Engineering workload/(∑ Engineering workload distribution+∑ manages class workload Distribution)；
(242) system is decomposed according to estimation object to workload, is specifically estimated the workload of object, is gone forward side by side One step is decomposed according to the type of workload；
(243) estimator adjusts the correction factor of the workload of estimation object according to the actual conditions of project, or carefully Change the workload of the Engineering workload distribution of adjustment estimation object, with the result that the workload for adjusting estimation object is estimated；
The result of the workload estimation of the estimation object after adjustment is collected and obtains final workload by (244) system Estimation result, and according to the workload after workload distribution displaying primary work amount and refinement adjustment.
In a kind of further embodiment, described adjustment estimates the correction factor of the workload of object to adjust The result of the workload estimation of object is estimated, specially：
The result that workload after below equation calculates adjustment is estimated：
Result × the correction factor of the result of the workload estimation after adjustment=unadjusted workload estimation.
In a kind of preferably implementation method, described step (3) is comprised the following steps：
The cost rate of each workload distribution pattern of (31) system in workload distribution setting and workload estimation Result, the workload cost of each workload distribution pattern is calculated and shown by below equation, and collect and obtain resulting cost The result of estimation：
Cost=∑ (workload of each distribution pattern × cost rate)；
The result of result, the result of workload estimation and cost estimation that (32) system is estimated according to working attributes, generation Software estimates table.
Also include it is a kind of for realize the above method based on computer software realize software project cost estimation System, including：
Working attributes estimation block, estimates for being operated attribute by Delphi method；
Workload estimation block, for the result amount of the being operated estimation estimated according to working attributes；
Cost estimation module, the result for being estimated according to workload carries out cost estimation.
A kind of it is preferred that described working attributes estimation block also includes：
Estimation tasks dispatch unit, for estimation tasks to be assigned into each assessor；
Estimation result collection unit, the average value of the estimation result for calculating each estimation object, and the average value is made It is the result of working attributes estimation.
In a kind of preferably implementation method, described workload estimation block also includes：
Workload evaluation unit, enters for the estimation result according to working attributes, estimation coefficient and workload distributed constant Row workload is estimated；
Workload resolving cell, for being decomposed to workload according to estimation object, is specifically estimated the work of object Measure, and further the type according to workload is decomposed；
Workload estimation result collection unit, for the result of the workload estimation of the estimation object after adjustment, collects To final workload estimation result, and according to the workload after workload distribution displaying primary work amount and refinement adjustment.
In a kind of preferably implementation method, described cost estimation module also includes：
Cost calculation unit, for the cost rate and work of each workload distribution pattern in workload distribution setting Work amount estimation result, calculate and show the workload cost of each workload distribution pattern, and collect obtain resulting cost estimation Result；
Software estimates table generation unit, for result, the result of workload estimation and the cost estimated according to working attributes The result of estimation, generation software estimation table.
In a specific embodiment, come real it is an object of the invention to provide a kind of working attributes evaluation method and device Existing software estimation, three kind estimations of the present invention comprising software estimation：Based on Delphi working attributes estimation, based on working attributes The workload estimation of estimation and the job costs estimation based on workload estimation.
1st, the working attributes estimation based on Delphi
Working attributes estimation is most crucial, most basic estimation in software estimation.Quantity customizing is the basis of all estimations, Be can directly determine and influence work come amount estimation and job costs estimate, its working attributes estimation basic procedure as shown in fig. 7, Including：
1) working attributes estimation is set up
Software project estimation director sets up the estimation tasks of this working attributes, sets the essential information of this estimation, Including estimation title, estimation description, assessor, estimation date, maximum allowable offset rate, working attributes unit etc., system can be certainly It is dynamic to record these information.
2) estimation object is imported
Before working attributes estimation, program estimation personnel first have to determine the object of this estimation, i.e., come using what Estimated.Working attributes evaluation method proposed by the present invention, it is main to include four kinds of estimation objects：Module, document, demand, work It is dynamic.It is determined that after estimation object, program estimation personnel import estimation object, the automatic estimation object for recording importing of the present invention is Followup working attributes estimation is prepared.For example：Import modul estimates the code line of each module as this estimation object Number.
3) estimation tasks are assigned
After this estimation tasks are distributed to assessor by software project estimation director, system is automatically for each assessor drives Move out of respective estimation execution task.
4) individual estimates respectively
Each estimation participant performs personal estimation execution task, provides estimation result.
5) unification collects estimation
A) estimation director convenes assessor to unify to collect estimation；
B) system calculates the average value of the estimation result of each assessor of each estimation object as estimation result automatically；
C) system compare automatically estimation result that estimation result and each director be given whether beyond it is maximum allowable partially Difference, if exceeding, automatic prompting estimation director, the opinion that estimation director can herein collect each assessor is readjusted and estimated Calculation value or reorganization next round estimation are reevaluated.
6) estimation result is determined
When all estimating that the estimation result deviation of object is all in allowed band, you can complete this working attributes and estimate Calculate, system calculates the average value of the estimation result of each estimation object automatically, used as the estimation result that this working attributes is estimated.
2nd, based on working attributes estimation workload estimation, its workload estimation flow chart as shown in figure 8, including：
1) estimation coefficient is determined
Generally, the actual conditions tight association of the result of estimation and software.3 program estimation parameters are included in the present invention, It is respectively degreeofdifficulty factor, complexity factor, multiplexing coefficient, the actual conditions of project is reflected with this three parameters.Item visual estimation Calculation personnel estimate parameter value according to the actual conditions setting option purpose of project, and the workload estimation that the setting influence of the value is followup is tied Really.
2) determine that workload is distributed
Workload estimation based on working attributes of the invention is come estimated work by workload distributed constant.Workload Distributed constant refers to that various types of workloads are distributed, including Engineering, management the class proportion in the distribution of whole workload. The workload for being easy to each type by project experiences is organized to be distributed proportion, and it is relatively more directly perceived.Therefore by workload point It is more meaningful for project that cloth parameter carrys out estimated work.
A) workload distributed architecture tree is created, the essential information of workload distribution is filled in；
B) the workload distributed constant that each workload is distributed is set according to project experiences.Workload distributed constant refers to work Amount is distributed in proportion in the distribution of whole workload, in units of percentage, be the estimation of followup work amount basis it One；
C) the workload distribution cost rate of each workload distribution is set.Workload distribution cost rate refers to single work Cost needed for amount, is the foundation of aftercost's estimation in units of unit/man day.
After setting completed, the information of the automatic minute book project work amount distribution of system, is the estimation of followup work amount and cost Estimation provides foundation.
3) identify project productivity ratio
Productivity ratio per capita according to tissue adjusts the productivity ratio per capita of this project.
4) show that workload is estimated
Workload estimation based on working attributes estimation of the invention is the estimation result based on working attributes, estimation coefficient Estimated work is carried out with workload distribution.
The computing formula of workload of the invention estimation is：
Workload estimation result=∑ Quantity customizing result × degreeofdifficulty factor × complexity factor × (1 reuses coefficient)/ Productivity ratio/workload distribution benchmark；
Workload distribution benchmark=distribution of ∑ Engineering workload/(∑ Engineering workload distribution+∑ manages class workload Distribution)；
System calculates the estimation result of workload automatically according to abovementioned computing formula：
A) system can be decomposed to Engineering Task amount automatically according to estimation object, specifically be estimated the engineering work of object Measure, and further can be decomposed by Engineering workload type.
B) estimator can be according to the estimation result of the Engineering Task amount of the actual conditions of project adjustment estimation object, can The correction factor of the Engineering Task amount of adjustment estimation object, the estimation result=estimation result of the Engineering Task amount after adjustment × repair The workload of the Engineering workload distribution of object is estimated in positive coefficient, or refinement adjustment.
C) system can collect and obtain final work automatically according to the estimation result of the Engineering Task amount of the estimation object of adjustment Work amount estimation result, and can automatically by the workload after workload distribution pattern displaying primary work amount and refinement adjustment.
3rd, the cost estimation based on workload estimation
Cost estimation based on workload estimation of the invention is estimation result and workload point based on workload estimation Cloth rate carries out estimated cost.
1) cost estimation
System sets the cost rate of each workload distribution pattern for centering, workload and estimates automatically according to workload distribution The result of calculation, calculates and shows the corresponding cost of workload of each workload distribution pattern, and collects automatically and obtain resulting cost and estimate Calculate result：
Cost=∑ (workload of each distribution pattern × cost rate).
2) automatic generating software estimation table
System obtains the data such as abovementioned working attributes estimation result, workload estimation result, cost estimation result automatically, Generation software estimation table.
Employ the method and system that software project cost estimation is realized based on computer software in the invention, tool Have the following advantages：
1st, comprehensively, workload estimation result is accurate for estimation coefficient
In workload estimation of the invention, estimation coefficient increased complexity factor and multiplexing coefficient, estimate coefficient comprehensively, Meet more project demands, workload estimation result is accurate.
2nd, data are transmitted automatically, and system is calculated automatically
In working attributes estimation of the invention, assessor need to only fill in corresponding estimated data during personal estimation respectively, unite One when collecting estimation, and system calculates the mathematical mean of the estimation result of each assessor of each estimation object and automatic automatically Compare.When workload of the invention is estimated, after Quantity customizing is finished, the result that system reads Quantity customizing automatically carrys out evaluation work The estimation result of amount, system sets cost rate, the work that each workload for centering distinguishes type automatically according to workload distribution Work amount estimation result, calculates each workload and distinguishes the corresponding cost of workload of type, and collects automatically and obtain resulting cost estimation As a result.
3rd, estimated data is managed automatically, it is time saving accurate
In working attributes estimation of the invention, system records estimation object automatically, and when performing estimation, system automatically estimate by record Calculate the estimation result of object, and writing task attribute estimation result, the data of estimation all can one by one be recorded and be managed, this In the workload estimation of invention, the information of the automatic writing task amount distribution of system, and work of the record by workload respectively automatically The related data of estimation is measured, when job costs of the invention are estimated, the estimated data of the automatic writing task cost of system saves Substantial amounts of time and human resources, also reduce error rate.
4th, estimation work product is automatically generated, time source is saved
System obtains the data such as working attributes estimation result, workload estimation result, cost estimation result automatically, generates soft Part estimates table, without manually writing arrangement again, saves substantial amounts of time and human resources.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative And it is nonrestrictive.
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Cited By (6)
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CN109146250A (en) *  20180724  20190104  武汉空心科技有限公司  Task exploitation delivery method and system based on page metering 
CN109214770A (en) *  20180724  20190115  武汉空心科技有限公司  Development approach, platform and system based on design original text metering 
CN109214645A (en) *  20180724  20190115  武汉空心科技有限公司  Development approach and system based on module metering 
CN109255516A (en) *  20180724  20190122  武汉空心科技有限公司  Task development approach and system based on unit time distribution 
CN109255515A (en) *  20180724  20190122  武汉空心科技有限公司  A kind of task exploitation cloud platform based on page metering and unit time distribution 
CN109657985A (en) *  20181219  20190419  东软集团股份有限公司  A kind of project plan generation method, device and storage equipment, program product 
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CN104732307A (en) *  20131218  20150624  北京神州泰岳软件股份有限公司  Project workload acquisition method and system 
CN105976082A (en) *  20160421  20160928  裴克铭管理咨询（上海）有限公司  Workload estimation mechanism for company management 

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CN104732307A (en) *  20131218  20150624  北京神州泰岳软件股份有限公司  Project workload acquisition method and system 
CN105976082A (en) *  20160421  20160928  裴克铭管理咨询（上海）有限公司  Workload estimation mechanism for company management 
Cited By (6)
Publication number  Priority date  Publication date  Assignee  Title 

CN109146250A (en) *  20180724  20190104  武汉空心科技有限公司  Task exploitation delivery method and system based on page metering 
CN109214770A (en) *  20180724  20190115  武汉空心科技有限公司  Development approach, platform and system based on design original text metering 
CN109214645A (en) *  20180724  20190115  武汉空心科技有限公司  Development approach and system based on module metering 
CN109255516A (en) *  20180724  20190122  武汉空心科技有限公司  Task development approach and system based on unit time distribution 
CN109255515A (en) *  20180724  20190122  武汉空心科技有限公司  A kind of task exploitation cloud platform based on page metering and unit time distribution 
CN109657985A (en) *  20181219  20190419  东软集团股份有限公司  A kind of project plan generation method, device and storage equipment, program product 
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