The EXPAND Procedure

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

Description	Statement	Option
Statements
specify options	PROC EXPAND
specify BY-group processing	BY
specify conversion options	CONVERT
specify the ID variable	ID
Data Set Options
specify the input data set	PROC EXPAND	DATA=
extrapolate values before or after input series	PROC EXPAND	EXTRAPOLATE
specify the output data set	PROC EXPAND	OUT=
write interpolating functions to a data set	PROC EXPAND	OUTEST=
Input and Output Frequencies
control the alignment of SAS Date values	PROC EXPAND	ALIGN=
specify frequency conversion factor	PROC EXPAND	FACTOR=
specify input frequency	PROC EXPAND	FROM=
specify output frequency	PROC EXPAND	TO=
Interpolation Control Options
specify interpolation method for all series	PROC EXPAND	METHOD=
specify interpolation method for series	CONVERT	METHOD=
specify observation characteristics for series	PROC EXPAND	OBSERVED=
specify observation characteristics for series	CONVERT	OBSERVED=
specify transformations of the input series	CONVERT	TRANSFORMIN=
specify transformations of the output series	CONVERT	TRANSFORMOUT=
Graphical Output Control Options
specify graphical output	PROC EXPAND	PLOTS=