CN109064044A - Public transport overall merit and positioning problems method and system - Google Patents
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Abstract
The present invention provides a kind of public transport overall merit and positioning problems method and system, this method is on the basis of initial subitem evaluation index, the index related influence for comprehensive evaluation result is eliminated by data processing, according to the performance of independent parameter recall original index there are the problem of, identify index item to be modified；This kind of public transport overall merit and positioning problems method and system, after the completion of metrics evaluation, carry out autonomous problem analysis, to recognize the need for improved index subjet, and assign them to relevant departments, processed in units, and the dynamic of the project indicator is persistently tracked before problem is eliminated, realize lasting Optimal improvements.By the closed-loop Evaluation mode of " evaluate-find the problem-assignment problem-solve the problems, such as-revaluation ", the intelligent decision effect of public transport development level evaluation system is promoted.
Description
Technical field
The present invention relates to a kind of public transport overall merit and positioning problems method and system.
Background technique
Since 2012 year traffic Department of Transportation start public transport city creation project, 15 whole nation first batch of " public transport city " construction
The project construction task in demonstration project creation city will enter acceptance phase.It is bright in " public transport city evaluation index system "
Really 20 public transport city the binding indicators and 10 important reference indexs.The appraisal standards of quantization build public transport city
If proposing specific target, within 5 years construction periods it is irregular check oneself and examine be examine Effect on construction necessary means
One of.But 30 indexs and 50 multiple parameters relevant to index calculating, data being arranged in evaluation index system are
Inspection, the appraisal of various regions also bring certain difficulty.Similar, urban public transportation development level sundry item
All kinds of evaluations, examination are directed to complicated index system, multiple from different levels such as total size, traffic-operating period, service scenarios
Dimension expansion.
Currently, also focusing mostly in the appraisement system for reasonability, feasibility in the main research in the field with application
Research, such as patent of invention CN201410032296.5, CN201710543797.3.But it proceeds from the reality, the purpose of evaluation is
In order to improve, how from evaluation to find that short slab and defect should also be as being taken seriously.However, still lacking a kind of public affairs of closed loop at present
Traffic Evaluation system altogether can independently carry out positioning problems and backtracking after metrics evaluation, be directly linked to responsible person, Jin Erda
To coherent overall dynamics effect of optimization.
In public transport development level appraisement system, universal comprehensive evaluation result calculation method is assigned not to index
Summarized with weight, and there are correlations between a considerable amount of indexs, if evaluation index is one by one with conventional threshold method
No qualification ignores influence of its correlation to final summarized results, is likely to result in the identification of defect index and gaps and omissions occurs.This just makes
Must be difficult to it is accurate from final appraisal results, completely navigate to existing defects or project to be modified.
Summary of the invention
The object of the present invention is to provide a kind of public transport overall merit and positioning problems method and system, in traditional finger
On the basis of marking analysis and synthesis scoring, defect recognition, positioning problems are solved the problems, such as, by between data processing elimination original index
Influence of the correlation to comprehensive evaluation result, the project of existing defects is accurately positioned in a large amount of base values and is responsible for
People, and by cooperative disposal process, task is handled to responsible person's assignment problem, supervises the improvement and resolution of defect.
The technical solution of the invention is as follows:
A kind of public transport overall merit and positioning problems method pass through number on the basis of initial subitem evaluation index
The index related influence for comprehensive evaluation result is eliminated according to processing, original index is recalled according to the performance of independent parameter and is existed
The problem of, identify index item to be modified；Include the following steps,
S1, data collection interval and data collection phase beginning and ending time are determined；Data acquisition is to obtain public friendship
All kinds of static and dynamic datas needed for logical development level evaluation, and Calculation Estimation index；For data acquisition time tiComment
Valence index constitutes n*1 and ties up matrix Ii, wherein n is evaluation index quantity；
S2, evaluation index and the contingency table of user are established；User refers to responsibility collective relevant to evaluation index and individual；
S3, n*t dimension training matrix X=is combined into the evaluation index matrix group that data collection phase obtains to step S1
[I1,…,Ii,…,It], t is the total time space-number of data acquisition；Centralization processing is carried out to matrix X and is converted into X*Pair, i.e.,
It is located at the element x of a row b column in matrix Xab, it is converted into xab *=xab-μa, wherein μaFor a row element mean value, a, b difference
To meet condition: any integer of a ∈ [1, n], b ∈ [1, t]；
S4, to matrix X*Dimension-reduction treatment is carried out, dimension-reduction treatment matrix P is obtained；
S5, dimension-reduction treatment, i.e. I are carried out to analysis object matrix I1=PI, treated, and matrix dimension is k*1 dimension；Wherein
Analyzing object matrix is the evaluation index in some time interval；
S6, label treated matrix I1In negative value element, the matrix after label is I2；
S7, to markd matrix I2Carry out inverse transformation, i.e. I2 *=I2P-1, P-1For the inverse matrix of P；Matrix I2Middle label
Element by inverse transformation after, index can be corresponded to it and positioned, positioning index be have improved problem-indicator to be hoisted；
S8, by the step S2 evaluation index generated and user-association table, index to be hoisted is associated with relative users,
And problem-indicator details are sent to association user.
Further, step S4 specifically,
S41, calculating matrix X*Covariance matrix C:
S42, the eigenvalue λ for calculating covariance matrix C1,…,λnAnd feature vector e1,…,en；
S43, feature vector is arranged by characteristic value descending order, constitutes matrix P0；It is determined according to variance explanation rate V
The dimension of dimension-reduction treatment matrix P；WhereinThe value of the line number k of matrix P is determined by V value.
A kind of public transport overall merit and positioning problems system realize public transport development with data closed-loop process mechanism
The overall merit of level, problem backtracking, allocation processing, include evaluation module, problem identification module, problem allocation processing module；
Evaluation module: built-in index computation model calculates subitem after extracting dynamic data, static data from database and refers to
Mark, further according to comprehensive grade model output integrated index on the basis of sub-indicator；Export sub-indicator, overall target；
Problem identification module constructs data processing model according to above-mentioned public transport overall merit and positioning problems method,
The index of evaluation module output is handled, problem index subjet and association user to be hoisted are exported；
Problem allocation processing module: the index subjet problem conclusion that problem identification module exports is implemented to and is specifically responsible for
People, i.e., the index subjet to be hoisted exported according to problem identification module, by project to be hoisted there are the problem of distribute to corresponding and close
It is combined family, and start-up trace disposal process；In tracking disposal process, by being cooperateed with evaluation module, problem identification module,
Within the tracking phase, the correspondence index subjet dynamic value exported by evaluation module is periodically sent to association user, and change to project
It is analyzed into situation；The tracking phase, that is, problem identification module no longer exported the project until problem is eliminated.
The beneficial effects of the present invention are:
One, this kind of public transport overall merit and positioning problems method and system carry out autonomous after the completion of metrics evaluation
The problem of analyze, to recognize the need for improved index subjet, and assign them to relevant departments, processed in units, and asking
Topic persistently tracks the dynamic of the project indicator before eliminating, realize lasting Optimal improvements.By " evaluating-finding the problem-to distribute and ask
Topic-solves the problems, such as-revaluation " closed-loop Evaluation mode, promoted public transport development level evaluation system intelligent decision effect
Fruit.
Two, the present invention does dimension-reduction treatment to it on the basis of index system carries out subitem assessment to eliminate correlation, from
Analyzing defect item in independent index carries out defect entry positioning by inversely processing in original index, further that problem is corresponding
To being specifically responsible for people.Process through this process, can overcome the problems, such as it is index related caused by defect index identification gaps and omissions, effectively
Realize the public transport development level evaluation of closed loop.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention for overall merit public transport development level and the method for problem defect recognition
Flow diagram.
Fig. 2 is the embodiment of the present invention for overall merit public transport development level and the system of problem defect recognition
Illustrate block diagram.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment
A kind of public transport overall merit and positioning problems method pass through number on the basis of initial subitem evaluation index
The index related influence for comprehensive evaluation result is eliminated according to processing, original index is recalled according to the performance of independent parameter and is existed
The problem of, identify index item to be modified；Such as Fig. 1, specific steps include:
S1: data collection interval and data collection phase beginning and ending time are determined；Data acquisition is to obtain public friendship
All kinds of static and dynamic datas needed for logical development level evaluation, and Calculation Estimation index；For data acquisition time tiComment
Valence index constitutes n*1 and ties up matrix Ii, wherein n is evaluation index quantity.
S2: evaluation index and the contingency table of user are established；User refers to responsibility collective relevant to evaluation index and individual；
Such as responsible person of the relevant departments of Transportation Management Dept, public transport company or related management affairs.
S3: n*t dimension training matrix X=[I is combined into the evaluation index matrix group that data collection phase obtains to S11,…,
Ii,…,It], t is the total time space-number of data acquisition；Centralization processing is carried out to matrix X and is converted into X*, i.e., for matrix X
In be located at a row b column element xab, it is converted into xab *=xab-μa, wherein μaFor a row element mean value, a, b are respectively to meet item
Part: any integer of a ∈ [1, n], b ∈ [1, t].
S4: to matrix X*Dimension-reduction treatment is carried out, dimension-reduction treatment matrix P is obtained；Specific steps are as follows:
S41: calculating matrix X*Covariance matrix C, formula is
S42: the eigenvalue λ of covariance matrix C is calculated1,…,λnAnd feature vector e1,…,en；
S43: feature vector is arranged by characteristic value descending order, constitutes matrix P0；It is determined according to variance explanation rate V
The dimension of dimension-reduction treatment matrix P；WhereinThe value of the line number k of matrix P is determined by V value.
S5: dimension-reduction treatment, i.e. I are carried out to analysis object matrix I1=PI, treated, and matrix dimension is k*1 dimension；Wherein
Analyzing object matrix is the evaluation index in some time interval.
S6: label treated matrix I1In negative value element, the matrix after label is I2。
S7: to markd matrix I2Carry out inverse transformation, i.e. I2 *=I2P-1, P-1For the inverse matrix of P；Matrix I2Middle label
Element by inverse transformation after, index can be corresponded to it and positioned, positioning index be have improved problem-indicator to be hoisted.
S8: by the step S2 evaluation index generated and user-association table, index to be hoisted being associated with relative users,
And problem-indicator details are sent to association user.
Embodiment also provides a kind of public transport overall merit and positioning problems system, with the realization of data closed-loop process mechanism
The overall merit of public transport development level, problem backtracking, allocation processing, such as Fig. 2, comprising evaluation module, problem identification module,
Problem allocation processing module；
Evaluation module, built-in index computation model calculate subitem after extracting dynamic data, static data from database and refer to
Mark, further according to comprehensive grade model output integrated index on the basis of sub-indicator；Export sub-indicator, overall target；
Problem identification module, the method according to 1 construct data processing model, carry out to the index of evaluation module output
Processing, exports problem index subjet and association user to be hoisted；
Problem allocation processing module: the module implements to the index subjet problem conclusion that problem identification module exports specifically
Responsible person, i.e., according to problem identification module export index subjet to be hoisted, by project to be hoisted there are the problem of distribute to right
Answer association user, and start-up trace disposal process；In tracking disposal process, by with evaluation module, problem identification module
Collaboration periodically sends the correspondence index subjet dynamic value exported by evaluation module to association user, and to item within the tracking phase
Mesh improves situation and is analyzed；The tracking phase, that is, problem identification module no longer exported the project until problem is eliminated.
A kind of public transport overall merit and positioning problems method of embodiment, the purpose is to by eliminating between evaluation index
Correlation realize defect recognition, problem backtracking with responsible person position；On this basis, public transport overall evaluation system be for
Overall merit, positioning problems and the problem distribution for realizing automation realize that the public transport development of whole process closed loop is commented
Valence and intelligent decision, towards the catergories of user such as the departments such as planning, management, operation and transport enterprise, system to user's transmitting with
Its relevant single item evaluation problem, supervises the amendment or improvement of problem, " evaluates-find the problem-assignment problem-solution with implementation
The duration Optimizing Mode of problem-revaluation " meets the real need that cities at different levels promote local public transport development level
It asks.
One specific example of embodiment is as follows:
The method and system of embodiment is applied in the application of public transport city overall merit.According to " examination of public transport city is commented
Valence index system " and current public transport city creation, examination period, determine that data acquire content, including transit trip
500 meters of amount, motorization trip total amount, public vapour contact line road network length, urban road network's length, public traffic station radiuses cover
Capping product, inner city build up area, public transportation vehicle mark platform sum, urban population, originate shift, terminal on schedule and arrive at a station
Shift, plan on schedule is dispatched a car shift/actually the draw up dynamic static data such as shift, and is calculated according to the index that " index system " illustrates
Method calculates public transport motorization trip share rate, highway vapour contact line road network ratio, 500 meters of public traffic station coverings
30 evaluation indexes such as rate, ten thousand people's public transportation vehicle ownerships, public transport percent of punctuality；Setting applies for the time from public transport city
Start the data collection phase until checking and accepting the time, data collection interval is January.
Public transport development level overall evaluation system obtains dynamic data by data docking mode, and static data is main
It is obtained by modes such as backstage typings.By taking the public transport city construction evaluation in 2016~2017 of certain city as an example, system evaluation module
Monthly calculate above-mentioned 30 evaluation indexes；The Raw performance of 30*1 dimension of the problem identification module in January, 2016 to December monthly
Matrix IiIt is handled, generates 30*12 and tie up training matrix, and carry out dimension-reduction treatment, obtain dimensionality reduction matrix, and then to 2017 1
The index matrix I of the moon13Dimension-reduction treatment and inversion process are carried out, identifies, position problem index to be modified.
Problem allocation processing module is according to each index and traffic transportation trade, the contingency table of administrative department, to user management
The user of corresponding authority sends problem-indicator and its present worth in table, and to the monthly problem-indicator present worth after in January, 2017 into
Row push, until Resolving probiems；The module is improved situation to index monthly and is united by processing means such as data statistics
Meter provides intuitive Trend tracing auxiliary for user.
Claims (3)
1. a kind of public transport overall merit and positioning problems method, it is characterised in that: on initial subitem evaluation index basis
On, the index related influence for comprehensive evaluation result is eliminated by data processing, is recalled according to the performance of independent parameter former
Beginning index there are the problem of, identify index item to be modified；Include the following steps,
S1, data collection interval and data collection phase beginning and ending time are determined；Data acquisition is to obtain public transport hair
Open up all kinds of static and dynamic datas needed for assessment of levels, and Calculation Estimation index；For data acquisition time tiEvaluation refer to
Mark constitutes n*1 and ties up matrix Ii, wherein n is evaluation index quantity；
S2, evaluation index and the contingency table of user are established；User refers to responsibility collective relevant to evaluation index and individual；
S3, n*t dimension training matrix X=[I is combined into the evaluation index matrix group that data collection phase obtains to step S11,…,
Ii,…,It], t is the total time space-number of data acquisition；Centralization processing is carried out to matrix X and is converted into X*, i.e., for matrix X
In be located at a row b column element xab, it is converted into xab *=xab-μa, wherein μaFor a row element mean value, a, b are respectively to meet item
Part: any integer of a ∈ [1, n], b ∈ [1, t]；
S4, to matrix X*Dimension-reduction treatment is carried out, dimension-reduction treatment matrix P is obtained；
S5, dimension-reduction treatment, i.e. I are carried out to analysis object matrix I1=PI, treated, and matrix dimension is k*1 dimension；Wherein analysis pair
As matrix is the evaluation index in some time interval；
S6, label treated matrix I1In negative value element, the matrix after label is I2；
S7, to markd matrix I2Carry out inverse transformation, i.e. I2 *=I2P-1, P-1For the inverse matrix of P；Matrix I2The member of middle label
After element is by inverse transformation, index can be corresponded to it and positioned, positioning index is to have improved problem-indicator to be hoisted；
S8, by the step S2 evaluation index generated and user-association table, index to be hoisted is associated with relative users, and to
Association user sends problem-indicator details.
2. public transport overall merit as described in claim 1 and positioning problems method, it is characterised in that: step S4 is specific
For,
S41, calculating matrix X*Covariance matrix C:
S42, the eigenvalue λ for calculating covariance matrix C1,…,λnAnd feature vector e1,…,en；
S43, feature vector is arranged by characteristic value descending order, constitutes matrix P0；Dimensionality reduction is determined according to variance explanation rate V
The dimension of processing array P；WhereinThe value of the line number k of matrix P is determined by V value.
3. a kind of public transport overall merit and positioning problems system, it is characterised in that: realized with data closed-loop process mechanism public
The overall merit of transport development level, problem backtracking, allocation processing altogether, include evaluation module, problem identification module and problem point
With processing module；
Evaluation module: built-in index computation model calculates sub-indicator after extracting dynamic data, static data from database, into
One step is on the basis of sub-indicator according to comprehensive grade model output integrated index；Export sub-indicator, overall target；
Problem identification module, public transport overall merit and positioning problems method according to claim 1 or 2 construct data
Model is handled, the index of evaluation module output is handled, problem index subjet and association user to be hoisted are exported；
Problem allocation processing module: the problem of problem identification module is exported index subjet conclusion, which implements to, is specifically responsible for people, i.e.,
According to the problem index subjet to be hoisted that problem identification module exports, by project to be hoisted there are the problem of distribute to corresponding and close
It is combined family, and start-up trace disposal process；In tracking disposal process, by being cooperateed with evaluation module, problem identification module,
Within the tracking phase, the correspondence index subjet dynamic value exported by evaluation module is periodically sent to association user, and change to project
It is analyzed into situation；The tracking phase, that is, problem identification module no longer exported the project until problem is eliminated.
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| US20100106545A1 (en) * | 2008-10-27 | 2010-04-29 | Noblis, Inc. | Systems and methods for facilitating evaluation in an acquisition process |
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