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Case Base
MiningMart
Case
ModelCaseTelecom
Chain
HandleCallsData

Step: CountDroppedCalls

Name CountDroppedCalls
Belongs to Case ModelCaseTelecom
Uses Operator Pivotize
Belongs to Chain HandleCallsData
Concepts of resulting Data Model InputCustomers
InputRevenues
DroppedCalls
Has Parameters AggregationOperator
IndexValue6
IndexValues0
NullOrZero
TheGroupByAttributes5
TheIndexAttribute
TheIndexAttributes0
TheInputConcept
TheOutputConcept
ThePivotAttribute

M4 Documentation:

The number of calls each customer has made that were dropped (not connected properly) for technical reasons is computed in this step, because it is assumed to be an important indicator for customer satisfaction and thus churning behaviour. (For the pivot attribute, any attribute without missing values could be taken since only the number of calls with state 1 is counted.)