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BASE=(variable, variable, …, variable)
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specifies the variables that are to be transformed into a proper PROC PANEL format. All variables to be transformed must be
named according to the convention: basename_timeperiod. You supply just the basename, and the procedure extracts the appropriate variables to transform. If some year’s data are
missing for a variable, then PROC PANEL detects this and fills in with missing values.
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INDID=variable
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names the variable in the input data set that uniquely identifies each individual. The INDID variable can be a character or
numeric variable.
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KEEP=(variable, variable, …, variable)
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specifies the variables that are to be copied without any transformation. These variables remain constant with respect to
time when the data are converted to PROC PANEL format. This is an optional item.
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TSNAME=name
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specifies a name for the generated time identifier. The name must satisfy the requirements for the name of a SAS variable.
The name can be quoted, but it must not be the name of a variable in the input data set.
The following options can be specified on the FLATDATA statement after the slash (/):
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OUT =SAS-data-set
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saves the converted flat data set to a PROC PANEL formatted data set.
