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The EXPAND Procedure

Functional Summary

The statements and options controlling the EXPAND procedure are summarized in the following table.

Description Statement Option
Statements   
specify BY-group processingBY 
specify conversion optionsCONVERT 
specify the ID variableID 
   
Data Set Options   
specify the input data setPROC EXPANDDATA=
specify the output data setPROC EXPANDOUT=
write interpolating functions to a data setPROC EXPANDOUTEST=
extrapolate values before or after input seriesPROC EXPANDEXTRAPOLATE
   
Input and Output Frequencies   
specify input frequencyPROC EXPANDFROM=
specify output frequencyPROC EXPANDTO=
specify frequency conversion factorPROC EXPANDFACTOR=
control the alignment of SAS Date valuesPROC EXPANDALIGN=
   
Interpolation Control Options   
specify interpolation methodPROC EXPAND, CONVERTMETHOD=
specify observation characteristicsCONVERTOBSERVED=
specify transformations of the input seriesCONVERTTRANSIN=
specify transformations of the output seriesCONVERTTRANSOUT=
   

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