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The TRANS Procedure

Output Data Set

The output data set contains the variables listed in the HEADNODE, TAILNODE, and SUPPLY statements, and an additional variable named _DUAL_. See the "Dual Variables" section. For each observation in the COST= data set that is associated with a source node, the output data set tells you

The demand data specified in the COST= data set are also included in the same observation as they are in the COST= data set. The TAILNODE variable has the value _DEMAND_ in this observation. An observation labeled with the TAILNODE variable taking the value _DUAL_ contains the dual variables at the destination nodes.

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