The SAS Dummy
A SAS® blog for the rest of us
Although the NSA and news media have given metadata a bad name in the popular press, the fact remains that information about the nature of your data is extremely valuable. For example, I posted an article yesterday about data cardinality. Cardinality measures the uniqueness of values in a variable. Cardinality
Data cardinality is an important topic for for data analysis. In mathematical terms, cardinality is simply the number of elements in a set. But in data applications, cardinality signifies the number of unique values for a given field of data. Related terms include number of levels (thank you, PROC FREQ
Traditionally, SAS users like their processes to behave like Ron Popeil's famous rotisserie: they want to set it and forget it. That's the definition of a batch process. You work like heck to get it ready to run, then you push the button (or schedule it) and walk away. But
Has this ever happened to you? You have a SAS program with statements that you wrote, then you make use of a macro function or %include file supplied by a helpful colleague, and when your SAS code resumes, you find that all of your SAS titles have been changed out
A couple of years ago I shared a method for copying any file within a SAS program. It was a simple approach, copying the file byte-by-byte from one fileref (SAS file reference) to another. My colleague Bruno Müller, a SAS trainer in Switzerland, has since provided a much more robust
SAS Data Management is a popular topic here on the SAS interwebs. You can find all types of information ranging from thought leadership to white papers to product details. At SAS Global Forum I sat down with Nancy Rausch, one of the principal R&D managers behind the SAS Data Management