ImpreciseDEA-CCR_preferenceRelations

Provider:PUT
Version:1.0

Description

Computes extrene efficiency ranks for the given DMUs (alternatives) using CCR Data Envelopment Analysis Model.

Inputs

(For outputs, see below)

units

Description:

A list of alternatives (DMUs).

inputs/outputs

Description:

A list of criteria with specified preference direction. List has to contains at least one criterion that will be minimized (input) and at least one criterion that will be maximized (output).

XMCDA related:

  • Tag: criteria

  • Code:

    <criteria>
                        <criterion>
                                                        <scale>
                                [...]
                                                        </scale>
                            [...]
                        </criterion>
                        [...]
                    </criteria>
    

performance

Description:

A list of alternatives (DMUs) minimal performances (or exact performances if intervals should be created by tolerance).

XMCDA related:

  • Tag: performanceTable

  • Code:

    <performanceTable>
                                                <alternativePerformances>
                                                        <alternativeID> [...] </alternativeID>
                                                        <performance>
                                                                <criterionID>
                                                                        [...]
                                                                </criterionID>
                                                                <value>[...]</value>
                                                        </performance>
                                                        [...]
                                                </alternativePerformances>
                                                [...]
                                        </performanceTable>
    

max performance

Optional: yes, enabled by default

Description:

A list of alternatives (DMUs) maximal performances.

XMCDA related:

  • Tag: performanceTable

  • Code:

    <performanceTable>
                                                <alternativePerformances>
                                                        <alternativeID> [...] </alternativeID>
                                                        <performance>
                                                                <criterionID>
                                                                        [...]
                                                                </criterionID>
                                                                <value>[...]</value>
                                                        </performance>
                                                        [...]
                                                </alternativePerformances>
                                                [...]
                                        </performanceTable>
    

weights constraints

Optional: yes, disabled by default

Description:

A list of criteria linear constraints.

XMCDA related:

  • Tag: criteriaLinearConstraints

  • Code:

    <criteriaLinearConstraints>
                                                <constraint>
                                                        <element>
                                                                <criterionID> [...] </criterionID>
                                                                <coefficient>
                                                                        [...]
                                                                </coefficient>
                                                        </element>
                                                        [...]
                                                        <operator>[...]</operator>
                                                        <rhs>
                                                                [...]
                                                        </rhs>
                                                </constraint>
                                                [...]
                                        </criteriaLinearConstraints>
    

method parameters

Description:

Represents method parameters (tolerance).

GUI information:

  • Parameter values can be defined via the GUI or the XMCDA file, by default via GUI.
  • Name: tolerance
    • Constraint description: The value should be a non-negative number.
    • Type: float
    • Default value: 0.00

XMCDA related:

  • Tag: methodParameters

  • Code:

    <methodParameters>
        <parameter id="tolerance">
            <value><real>%1</real></value>
        </parameter>
    </methodParameters>
    

Outputs

necessary dominance

Description:

A list of pairs of pairs of DMU related with necessary preference relation.

XMCDA related:

  • Tag: alternativesComparisons

  • Code:

    <alternativesComparisons>
                                           <pairs>
         <pair>
             <initial>
               <alternativeID>[...]</alternativeID>
             </initial>
             <terminal>
               <alternativeID>[...]</alternativeID>
             </terminal>
             <values>
               <value>
                 <real>1</real>
               </value>
             </values>
         </pair>
                                             [...]
       </pairs>
       [...]
                                   </alternativesComparisons>
    

possible dominance

Description:

A list of pairs of pairs of DMU related with possible preference relation.

XMCDA related:

  • Tag: alternativesComparisons

  • Code:

    <alternativesComparisons>
                                           <pairs>
         <pair>
             <initial>
               <alternativeID>[...]</alternativeID>
             </initial>
             <terminal>
               <alternativeID>[...]</alternativeID>
             </terminal>
             <values>
               <value>
                 <real>1</real>
               </value>
             </values>
         </pair>
                                             [...]
       </pairs>
       [...]
                                   </alternativesComparisons>
    

messages

Description:

A list of messages generated by the algorithm.

XMCDA related:

  • Tag: methodMessages

For further technical details on the web service underlying this program, have a look at its documentation here.