repfun (version 0.1.2)

ru_expvarlist: Expand SAS Style Variable/Column List

Description

Pass in a data frame along with column/variable identifiers formatted with SAS Style (i.e., using colon) and it will be expanded to the actual variable list.

Usage

ru_expvarlist(dsetin, varsin = NULL, keepnotexist = FALSE)

Value

A list of column/variable names.

Arguments

dsetin

A dataframe holding columns whose names will be expanded.

varsin

A SAS style list of variable names.

keepnotexist

If the variable does not exist on the dataframe it will be excluded from the list.

Author

Yongwei Wang,
Chris Rook,

Examples

library(repfun)
df <- data.frame(tt_ac01=c('1','2','3'),
                 tt_ac02=c('a','b','b'),
                 tt_ac03=c('10','11','12'))
chk <- repfun::ru_expvarlist(df, varsin="tt_ac:")
print(chk)