Coalesce function and add variables to a dataframe in sas r python and wps rogerjdeangelis/utl-coalesce-function-and-add-variables-to-a-dataframe-in-sas-r-and-wps ...

operand is one of the following: constant is a number or a quoted character string (or other special notation) that indicates a fixed value. Constants are also called literals. Constants are described ...

I did not know that. A querstion is worth a thousand answers. Park this in the back of your brain. https://communities.sas.com/t5/SAS-Programming/How-do-I-select-the ...