Recently, I needed to detect whether a matrix consists entirely of missing values. I wrote the following module: proc iml; /** Module to detect whether all elements of a matrix are missing values. Works for both numeric and character matrices. Version 1 (not optimal) **/ start isMissing(x); if type(x)='C' then
NOTE: SAS stopped shipping the SAS/IML Studio interface in 2018. The references in this article to IMLPlus and SAS/IML Studio are no longer relevant. There are three kinds of programming errors: parse-time errors, run-time errors, and logical errors. It doesn't matter what language you are using (SAS/IML, MATLAB, R, C/C++,
Here is my published Google Reader bundle that contains all of the SAS- or analytics-related blogs that are maintained by customers or others in the SAS community (excepting those by SAS employees, for which I have a different bundle). Blogs by SAS Customers AFHood Analytics Group - Blogs AnnMaria's Blog
