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The GREDUCE Procedure

ID Statement


Identifies the variable or variables that define the hierarchy of the current unit areas in the input map data set.
Requirements: At least one id-variable is required.
Featured in: Reducing the Map of Canada.


Syntax

ID id-variable(s);

Required Arguments

id-variable(s)

specifies one or more variables in the input map data set that identify unit areas. Id-variable(s) can be either numeric or character.

Each group of observations with a different ID variable value is evaluated as a separate unit area.

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