The DO Loop

Statistical programming in SAS with an emphasis on SAS/IML programs
Learn SAS
Rick Wicklin 2
Beware the naked LOC

The LOC function is one of the most important functions in the SAS/IML language. The LOC function finds elements of a vector or matrix that satisfy some condition. For example, if you are going to apply a logarithmic transform to data, you can use the LOC function to find all

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