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Solutions in the Round -- Check if a Variable Exists in a Dataset
From the WUSS abstract for this topic
It is often necessary to check if a variable exists in a dataset. We will identify several methods for doing this and will discuss the merits of each. Join us for this group discussion! Solutions in the Round is an exciting new section [at WUSS 2014]. The format is simple: we sit in a circle and discuss the many ways to approach and address a programming problem, and we'll identify situations where one approach might be more useful than another. We will keep notes, and those notes will be posted on sasCommunity.org where we can continue the discussion and allow other to join in after the conference. We hope to engage users from all different perspectives and experience levels to participate in these discussions.
Discussion at WUSS
- PROC CONTENTS
- look at output window
- create an output dataset
PROC CONTENTS data=x out=y noprint; RUN;
- SASHELP.VCOLUMNS (deprecated -- can someone elaborate?)
- CALL VNAME (can someone elaborate?)
- dictionary tables
- PROC METADATA (have to have metadata) can someone provide an example?
- SYSFUNC VARNUM can someone provide an example?
- Extended attributes in 9.4+ can someone provide an example?
- CALL ATTRB can someone provide an example?
Further Discussion -- Open to All
Please join the conversation! Also, if you were one of the live participants, please feel free to correct any mistakes or omissions from our original discussion.