CN112001606A - Environment-friendly work evaluation method and system - Google Patents

Environment-friendly work evaluation method and system Download PDF

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CN112001606A
CN112001606A CN202010797797.8A CN202010797797A CN112001606A CN 112001606 A CN112001606 A CN 112001606A CN 202010797797 A CN202010797797 A CN 202010797797A CN 112001606 A CN112001606 A CN 112001606A
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莫东序
黄铬荀
尹誉铭
韦森茂
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Guangxi Star Market Information Consulting Co ltd
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Abstract

The scheme relates to an environment-friendly work evaluation method. The method comprises the following steps: determining an evaluation index from an evaluation index system, wherein the evaluation index is a first-level evaluation index; determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index; establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model; checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result; constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model; calculating comprehensive weight through unweighted and weighted supermatrixes; and evaluating the environmental protection work according to the comprehensive weight. The evaluation index can be determined by an expert from an evaluation index system, and the accuracy of the evaluation of the environmental protection work can be improved due to the combination of the opinion of the expert and historical data.

Description

Environment-friendly work evaluation method and system
Technical Field
The invention relates to the technical field of computers, in particular to an environment-friendly work evaluation method and system.
Background
With the development of society, the living standard of people is continuously improved, and the living environment is gradually worsened. In recent years, governments at all levels have kept high attention on the development of greenness in the local area, and ecological civilization construction is gradually promoted according to established targets to solve outstanding environmental problems. In the process, the effect obtained in the environmental protection work is evaluated by a scientific and reasonable method, the progress of the work is accurately mastered, and the defects in the work are improved in time.
However, in the traditional evaluation mode for environmental protection work, the subjective factor is large, and the problem of inaccurate evaluation exists.
Disclosure of Invention
Therefore, in order to solve the technical problems, an environmental protection work evaluation method and system are provided, which can improve the accuracy of environmental protection work evaluation.
An environmental protection work evaluation method, the method comprising:
determining an evaluation index from an evaluation index system, wherein the evaluation index is a first-level evaluation index;
determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index;
establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model;
checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result;
constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model;
calculating comprehensive weight through the unweighted hypermatrix and the weighted hypermatrix;
and evaluating the environmental protection work according to the comprehensive weight.
In one embodiment, the building an analysis model according to the historical data, and constructing a judgment matrix through the analysis model includes:
establishing a corresponding relation between an index group and an element in the historical data;
establishing the analysis model according to the corresponding relation;
and comparing the index groups pairwise through the analysis model, comparing elements pairwise through the analysis model, and constructing the judgment matrix.
In one embodiment, the checking the judgment matrix to obtain a checking result includes:
calculating a consistency index according to the judgment matrix;
calculating an average random consistency index according to the consistency index, and calculating a consistency ratio according to the average random consistency index;
and obtaining the test result according to the consistency ratio.
In one embodiment, the adjusting the value of the determination matrix according to the test result includes:
when the consistency ratio is smaller than a ratio threshold value, the inspection result is that the inspection is passed;
and when the consistency ratio is not less than the ratio threshold, the verification result is that the verification fails, and the value of the judgment matrix is adjusted according to the verification result.
In one embodiment, said calculating the composite weight by said unweighted and said weighted super matrices comprises:
performing power operation on the weighted hypermatrix until convergence to obtain a limit hypermatrix;
calculating a normalized weight according to the limit supermatrix;
standardizing the historical data to obtain a standardized matrix, and calculating the weight of the entropy value according to the standardized matrix;
and calculating comprehensive weight according to the standardized weight and the entropy weight.
An environmental work evaluation system, the system comprising:
the evaluation index determining module is used for determining an evaluation index from an evaluation index system, and the evaluation index is a primary evaluation index;
the historical data acquisition module is used for determining a secondary evaluation index according to the primary evaluation index and acquiring historical data corresponding to the secondary evaluation index;
the analysis model establishing module is used for establishing an analysis model according to the historical data and constructing a judgment matrix through the analysis model;
the judgment matrix checking module is used for checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result;
the matrix construction module is used for constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model;
the weight calculation module is used for calculating comprehensive weight through the unweighted super matrix and the weighted super matrix;
and the work evaluation module is used for evaluating the environment-friendly work according to the comprehensive weight.
According to the environment-friendly work evaluation method and system, the evaluation index is determined from the evaluation index system, and the evaluation index is a first-level evaluation index; determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index; establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model; checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result; constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model; calculating comprehensive weight through unweighted and weighted supermatrixes; and evaluating the environmental protection work according to the comprehensive weight. The evaluation index can be determined by an expert from an evaluation index system, and the accuracy of the evaluation of the environmental protection work can be improved due to the combination of the opinion of the expert and historical data.
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FIG. 1 is a schematic flow chart of an evaluation method of environmental protection work in one embodiment;
FIG. 2 is a schematic flow chart illustrating the construction of a decision matrix according to one embodiment;
fig. 3 is a block diagram showing the configuration of the environmental work evaluation system according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, there is provided an environmental protection work evaluation method, including the steps of:
and 102, determining an evaluation index from the evaluation index system, wherein the evaluation index is a primary evaluation index.
The evaluation index can be divided into a first-level evaluation index and a second-level evaluation index. In this embodiment, taking 6 primary evaluation indexes and 15 secondary evaluation indexes as examples, the provided evaluation indexes are shown in the following table:
Figure RE-GDA0002722059770000031
Figure RE-GDA0002722059770000041
the expert may determine the evaluation index from the evaluation system, and specifically, the expert may determine the first-level evaluation index from the evaluation system.
And 104, determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index.
After the expert determines the first-level evaluation index, the second-level evaluation index can be further determined according to the first-level evaluation index. As shown in the following table, the historical data corresponding to the secondary evaluation index may include:
Figure RE-GDA0002722059770000042
Figure RE-GDA0002722059770000051
and 106, establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model.
After the historical data are obtained, an analysis model can be established according to the historical data by adopting a 1-9 scale method, so that a judgment matrix is constructed through the analysis model; after the judgment matrix is constructed, the sequencing vector can be obtained through a characteristic root method. Wherein the ordering vector may be represented as
Figure RE-GDA0002722059770000052
Step 108, checking the judgment matrix to obtain a checking result; and adjusting the value of the judgment matrix according to the inspection result.
After the judgment matrix is constructed, consistency check can be carried out on the judgment matrix, so that a check result is obtained, and the value of the judgment matrix is adjusted according to the check result.
Step 110, an unweighted hypermatrix and a weighted hypermatrix are constructed according to the analytical model.
Wherein, the unweighted super matrix can be represented by W, and before constructing the unweighted super matrix, an ordering matrix W can be definedij，
Figure RE-GDA0002722059770000053
Wherein the column vector is an element
Figure RE-GDA0002722059770000054
To the elements
Figure RE-GDA0002722059770000055
Rank vectors by influence degree of; when there is no influence, Wij0; the final unweighted super-matrix W is obtained,
Figure RE-GDA0002722059770000056
in this embodiment, the unweighted hypermatrix W is
Figure RE-GDA0002722059770000061
The weighted super matrix can be used
Figure RE-GDA0002722059770000062
Indicating, in this embodiment, a weighted hypermatrix
Figure RE-GDA0002722059770000063
Can be
Figure RE-GDA0002722059770000064
And 112, calculating comprehensive weight through the unweighted hypermatrix and the weighted hypermatrix.
Wherein, the integrated weight can be an adjustable integrated weight, and an adjustable coefficient alpha can be introduced into the weight. The calculation formula of the integrated weight may be: omegai＝αwi+(1-α)γiWherein w isiFor subjective weight, gamma, obtained by network hierarchy analysisiThe objective weight obtained by an entropy method; the comprehensive weight can be more subjective or objective by adjusting the value of the coefficient alpha. For example, when α is 1, the integrated weight is equal to the subjective weight obtained by the network analytic hierarchy process; when alpha is 0, the comprehensive weight is equal to the objective weight obtained by the entropy method; when alpha is more than 0 and less than 1, the comprehensive weight gives consideration to both the subjective weight and the objective weight.
In this example, taking α as 0.5 as an example, the obtained comprehensive weight is shown in the following table:
second level index Subjective weighting Objective weight Composite weight
Propaganda strength C1 0.243 0.028 0.136
Supervision degree C2 0.217 0.041 0.129
Local environmental sanitation C3 0.094 0.077 0.085
Refuse disposal conditions C4 0.029 0.062 0.045
Drinking water quality C5 0.031 0.046 0.039
Water body treatment effect C6 0.025 0.018 0.022
Industrial waste water treatment effect C7 0.032 0.097 0.064
Air quality C8 0.115 0.030 0.073
Dust control effect C9 0.025 0.050 0.038
Gas emission control Effect C10 0.056 0.023 0.039
Life noise control Effect C11 0.009 0.043 0.026
Traffic noise control effect C12 0.003 0.060 0.031
Producing a noise control effect C13 0.008 0.052 0.030
Greening conditions C14 0.073 0.139 0.106
Soil pollution control Effect C15 0.040 0.234 0.137
And step 114, evaluating the environmental protection work according to the comprehensive weight.
Taking α ═ 0.5 as an example, the environmental protection performance evaluation of each month is calculated by the obtained comprehensive weight as shown in the following table:
index (I) 2 month 4 month 6 month 8 month 10 month
Propaganda strength C1 8 6 9 9 7
Supervision degree C2 5 6 6 8 8
Local environmental sanitation C3 4 7 7 9 8
Refuse disposal conditions C4 5 6 7 9 9
Drinking water quality C5 7 5 6 7 9
Water body treatment effect C6 5 6 6 7 7
Industrial waste water treatment effect C7 9 9 6 4 8
Air quality C8 7 8 5 7 6
Dust control effect C9 6 7 6 9 5
Gas emission control Effect C10 7 8 9 8 6
Life noise control Effect C11 7 5 6 5 8
Traffic noise control effect C12 4 7 6 7 8
Producing a noise control effect C13 6 5 6 6 9
Greening conditions C14 3 8 9 6 8
Soil pollution control Effect C15 2 6 6 9 9
Overall evaluation score 5.35 6.69 6.90 7.67 7.76
In the embodiment, the evaluation index is determined from an evaluation index system, and the evaluation index is a first-level evaluation index; determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index; establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model; checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result; constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model; calculating comprehensive weight through unweighted and weighted supermatrixes; and evaluating the environmental protection work according to the comprehensive weight. The evaluation index can be determined by an expert from an evaluation index system, and the accuracy of the evaluation of the environmental protection work can be improved due to the combination of the opinion of the expert and historical data.
As shown in fig. 2, in an embodiment, the provided method for evaluating environmental protection work may further include a process of constructing a judgment matrix, and the specific steps include:
step 202, establishing a corresponding relation between the index group and the elements in the historical data.
In this embodiment, the history data may include data such as each index group and element. Establishing an analysis model to obtain a correlation between the first-level evaluation index and the second-level evaluation index, wherein the index group may include B1,B2,…,BNAnd the like. The first-order evaluation index can be BiB represents the secondary evaluation indexjAnd (4) showing. Wherein the first-order evaluation index BiMay have elements
Figure RE-GDA0002722059770000081
And step 204, establishing an analysis model according to the corresponding relation.
And step 206, comparing the index groups pairwise through the analysis model, and comparing the elements pairwise through the analysis model to construct a judgment matrix.
Comparing the index groups pairwise, i.e. BiAnd BjComparing; comparing elements pairwise, i.e. CimAnd CjlAnd comparing to construct a judgment matrix.
In one embodiment, the provided method for evaluating environmental protection work may further include a process of obtaining a test result, and the specific process includes: calculating a consistency index according to the judgment matrix; calculating an average random consistency index according to the consistency index, and calculating a consistency ratio according to the average random consistency index; and obtaining a test result through the consistency ratio.
In this embodiment, the consistency index may be expressed as CI,
Figure RE-GDA0002722059770000082
wherein n is the order of the judgment matrix, lambdamaxIs the maximum characteristic root of the judgment matrix. After the consistency index is calculated, an average random consistency index can be calculated according to the consistency index, and the average random consistency index can be represented by RI. A consistency ratio column can be calculated according to the consistency index CI and the average random consistency index RI. Wherein, the consistency ratio can be expressed as CR,
Figure RE-GDA0002722059770000091
the test results can be obtained from the consistency ratio CR.
In an embodiment, the provided method for evaluating environmental protection work may further include a process of adjusting a value of the determination matrix, where the specific process includes: when the consistency ratio is smaller than the ratio threshold value, the inspection result is that the inspection is passed; and when the consistency ratio is not less than the ratio threshold, the verification result is that the verification fails, and the value of the judgment matrix is adjusted according to the verification result.
The ratio threshold may be a preset value used to determine whether the determination matrix passes the verification, and in this embodiment, the ratio threshold may be 0.1.
After the consistency ratio CR is obtained, the consistency ratio CR can be compared with a ratio threshold, and when the consistency ratio CR is smaller than the ratio threshold by 0.1, the matrix is judged to pass consistency inspection; and when the consistency ratio CR is not less than 0.1, the judgment matrix does not meet the consistency requirement, and the value of the judgment matrix needs to be readjusted.
In one embodiment, the provided method for evaluating environmental protection work may further include a process of calculating a comprehensive weight, and the specific process includes: performing power operation on the weighted hypermatrix until convergence to obtain a limit hypermatrix; calculating a normalized weight according to the limit supermatrix; standardizing historical data to obtain a standardized matrix, and calculating the weight of the entropy value according to the standardized matrix; and calculating comprehensive weight according to the standardized weight and the entropy weight.
By defining an ordering matrix Wij，
Figure RE-GDA0002722059770000092
Wherein the column vector is an element
Figure RE-GDA0002722059770000093
To the elements
Figure RE-GDA0002722059770000094
Rank vectors by influence degree of; when there is no influence, Wij0; the final unweighted super-matrix W is obtained,
Figure RE-GDA0002722059770000095
thereby constructing an unweighted hypermatrix W.
In this embodiment, the ranking vector may be obtained by a feature root method, and may be represented as
Figure RE-GDA0002722059770000096
According to the obtained first-level evaluation index BiFor second-level evaluation index BjThe influence rank vector may construct a weighting matrix a,
Figure RE-GDA0002722059770000101
wherein a isij∈[0,1]And is
Figure RE-GDA0002722059770000102
The elements of the weighted super matrix are
Figure RE-GDA0002722059770000103
Finally, a weighted supermtrix can be obtained
Figure RE-GDA0002722059770000104
Figure RE-GDA0002722059770000105
In this embodiment, the weighted hypermatrix may be exponentiated until convergence, i.e.
Figure RE-GDA0002722059770000106
Thereby obtaining a limit supermatrix. For example, taking the convergence of the result after 17 th power operation as an example, the obtained limit supermatrix may be:
Figure RE-GDA0002722059770000107
the limit weight v between each element can be calculated through a limit hypermatrixiIf a certain index set contains d elements, the normalized weight w of the d-th elementdIs composed of
Figure RE-GDA0002722059770000108
Taking part of the secondary evaluation indexes as an example, the calculated normalized weights can be shown in the following table:
second level index Extreme weight Normalized weight
Propaganda strength C1 0.243 0.528
Supervision degree C2 0.217 0.472
Local environmental sanitation C3 0.094 0.764
Refuse disposal conditions C4 0.029 0.236
Drinking water quality C5 0.031 0.352
Water body treatment effect C6 0.025 0.284
Industrial waste water treatment effect C7 0.032 0.364
Air quality C8 0.115 0.587
Dust control effect C9 0.025 0.128
Gas emission control Effect C10 0.056 0.286
Life noise control Effect C11 0.009 0.450
Traffic noise control effect C12 0.003 0.150
Producing a noise control effect C13 0.008 0.400
Greening conditions C14 0.073 0.646
Soil pollution control Effect C15 0.040 0.354
Standardizing historical data corresponding to the secondary evaluation index to obtain a standardized matrix of the index value; the raw data set defining the index may be represented as
Figure RE-GDA0002722059770000111
Wherein x istiThe value of the time T index i is indicated (T1, …, T; i 1, …, N). Because the situation that the dimension of the index value is not consistent possibly exists, the index value needs to be standardized, and the specific steps are as follows:
step one, for the reverse index, namely the index with smaller index value and better index value, the standardization formula is as follows:
Figure RE-GDA0002722059770000112
step two, for the forward direction index, the more the index valueThe better the index, the normalized formula is:
Figure RE-GDA0002722059770000113
wherein the content of the first and second substances,
Figure RE-GDA0002722059770000114
and
Figure RE-GDA0002722059770000115
respectively representing the maximum and minimum values of the index i. The normalized matrix of index values is: y ═ Yti]T×N。
In this embodiment, the entropy weights may be calculated from the normalization matrix. In particular, the entropy value for the forward indicator i is
Figure RE-GDA0002722059770000116
When y istiWhen equal to 0, yti lnyti0; entropy weight for the inverse index i is
Figure RE-GDA0002722059770000121
Wherein 0 is not more than gammaiLess than or equal to 1 and
Figure RE-GDA0002722059770000122
taking part of the second-level evaluation indexes as an example, the calculated entropy weight can be shown in the following table:
second level index Weight of entropy value
Propaganda strength C1 0.0283
Supervision degree C2 0.0408
Local environmental sanitation C3 0.0769
Refuse disposal conditions C4 0.0618
Drinking water quality C5 0.0464
Water body treatment effect C6 0.0183
Industrial waste water treatment effect C7 0.0969
Air quality C8 0.0301
Dust control effect C9 0.0502
Gas emission control Effect C10 0.0226
Life noise control Effect C11 0.0430
Traffic noise control effect C12 0.0596
Producing a noise control effect C13 0.0518
Greening conditions C14 0.1391
Soil pollution control Effect C15 0.2340
The adjustable comprehensive weight can be calculated according to the standardized weight and the entropy weight, an adjustable coefficient alpha is introduced, and the calculation formula of the comprehensive weight is omegai＝αwi+(1-α)γi。
It should be understood that, although the steps in the respective flowcharts described above are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in each of the flowcharts described above may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or the stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least a portion of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 3, there is provided an environmental work evaluation system including: an evaluation index determination module 310, a historical data acquisition module 320, an analysis model establishment module 330, a judgment matrix verification module 340, a matrix construction module 350, a weight calculation module 360 and a work evaluation module 370, wherein:
and the evaluation index determining module 310 is configured to determine an evaluation index from the evaluation index system, where the evaluation index is a primary evaluation index.
And the historical data acquisition module 320 is configured to determine a secondary evaluation index according to the primary evaluation index, and acquire historical data corresponding to the secondary evaluation index.
And the analysis model establishing module 330 is configured to establish an analysis model according to the historical data, and construct a judgment matrix through the analysis model.
The judgment matrix checking module 340 is used for checking the judgment matrix to obtain a checking result; and adjusting the value of the judgment matrix according to the inspection result.
A matrix construction module 350 for constructing an unweighted hypermatrix and a weighted hypermatrix from the analytical model.
And a weight calculating module 360, configured to calculate a comprehensive weight through the unweighted hypermatrix and the weighted hypermatrix.
And the work evaluation module 370 is used for evaluating the environmental protection work according to the comprehensive weight.
In one embodiment, the analysis model establishing module 330 is further configured to establish a correspondence between the index groups and the elements in the historical data; establishing an analysis model according to the corresponding relation; and comparing the index groups pairwise through the analysis model, comparing the elements pairwise through the analysis model, and constructing a judgment matrix.
In one embodiment, the decision matrix checking module 340 is further configured to calculate a consistency index according to the decision matrix; calculating an average random consistency index according to the consistency index, and calculating a consistency ratio according to the average random consistency index; and obtaining a test result through the consistency ratio.
In one embodiment, the decision matrix checking module 340 is further configured to, when the consistency ratio is smaller than the ratio threshold, check that the result is a pass; and when the consistency ratio is not less than the ratio threshold, the verification result is that the verification fails, and the value of the judgment matrix is adjusted according to the verification result.
In one embodiment, the weight calculation module 360 is further configured to perform a power operation on the weighted hypermatrix until convergence, so as to obtain a limit hypermatrix; calculating a normalized weight according to the limit supermatrix; standardizing historical data to obtain a standardized matrix, and calculating the weight of the entropy value according to the standardized matrix; and calculating comprehensive weight according to the standardized weight and the entropy weight.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An environmental protection work evaluation method is characterized by comprising the following steps:
determining an evaluation index from an evaluation index system, wherein the evaluation index is a first-level evaluation index;
determining a secondary evaluation index according to the primary evaluation index, and acquiring historical data corresponding to the secondary evaluation index;
establishing an analysis model according to the historical data, and constructing a judgment matrix through the analysis model;
checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result;
constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model;
calculating comprehensive weight through the unweighted hypermatrix and the weighted hypermatrix;
and evaluating the environmental protection work according to the comprehensive weight.
2. The method of claim 1, wherein the building an analytical model from the historical data, and constructing a decision matrix from the analytical model comprises:
establishing a corresponding relation between an index group and an element in the historical data;
establishing the analysis model according to the corresponding relation;
and comparing the index groups pairwise through the analysis model, comparing elements pairwise through the analysis model, and constructing the judgment matrix.
3. The method of claim 1, wherein said examining said decision matrix to obtain an examination result comprises:
calculating a consistency index according to the judgment matrix;
calculating an average random consistency index according to the consistency index, and calculating a consistency ratio according to the average random consistency index;
and obtaining the test result according to the consistency ratio.
4. The method of claim 3, wherein adjusting the value of the decision matrix according to the test result comprises:
when the consistency ratio is smaller than a ratio threshold value, the inspection result is that the inspection is passed;
and when the consistency ratio is not less than the ratio threshold, the verification result is that the verification fails, and the value of the judgment matrix is adjusted according to the verification result.
5. The method of claim 1, wherein said calculating composite weights from said unweighted and said weighted hypermatrices comprises:
performing power operation on the weighted hypermatrix until convergence to obtain a limit hypermatrix;
calculating a normalized weight according to the limit supermatrix;
standardizing the historical data to obtain a standardized matrix, and calculating the weight of the entropy value according to the standardized matrix;
and calculating comprehensive weight according to the standardized weight and the entropy weight.
6. An environmental work evaluation system, the system comprising:
the evaluation index determining module is used for determining an evaluation index from an evaluation index system, and the evaluation index is a primary evaluation index;
the historical data acquisition module is used for determining a secondary evaluation index according to the primary evaluation index and acquiring historical data corresponding to the secondary evaluation index;
the analysis model establishing module is used for establishing an analysis model according to the historical data and constructing a judgment matrix through the analysis model;
the judgment matrix checking module is used for checking the judgment matrix to obtain a checking result; adjusting the value of the judgment matrix according to the inspection result;
the matrix construction module is used for constructing an unweighted hypermatrix and a weighted hypermatrix according to the analysis model;
the weight calculation module is used for calculating comprehensive weight through the unweighted super matrix and the weighted super matrix;
and the work evaluation module is used for evaluating the environment-friendly work according to the comprehensive weight.
7. The system of claim 6, wherein the analytical model building module is further configured to: establishing a corresponding relation between an index group and an element in the historical data; establishing the analysis model according to the corresponding relation; and comparing the index groups pairwise through the analysis model, comparing elements pairwise through the analysis model, and constructing the judgment matrix.
8. The system of claim 6, wherein the decision matrix checking module is further configured to: calculating a consistency index according to the judgment matrix; calculating an average random consistency index according to the consistency index, and calculating a consistency ratio according to the average random consistency index; and obtaining the test result according to the consistency ratio.
9. The system of claim 8, wherein the decision matrix checking module is further configured to: when the consistency ratio is smaller than a ratio threshold value, the inspection result is that the inspection is passed; and when the consistency ratio is not less than the ratio threshold, the verification result is that the verification fails, and the value of the judgment matrix is adjusted according to the verification result.
10. The method of claim 6, wherein the weight calculation module is further configured to: performing power operation on the weighted hypermatrix until convergence to obtain a limit hypermatrix; calculating a normalized weight according to the limit supermatrix; standardizing the historical data to obtain a standardized matrix, and calculating the weight of the entropy value according to the standardized matrix; and calculating comprehensive weight according to the standardized weight and the entropy weight.
CN202010797797.8A 2020-08-10 2020-08-10 Environment-friendly work evaluation method and system Pending CN112001606A (en)

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