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Waynette Tubbs 0
Letter from SAS Global Forum 2012 Chair-Elect

A big thank you to EVERYONE for your contribution to the success of SAS Global Forum 2011. You all came together – presenters, volunteers, mentors, first-timers, repeat attendees and SAS – to help make this year’s conference a “don't miss” event! Special thanks go out to Debbie Buck, this year’s

Rick Wicklin 0
Computing the variance of each column of a matrix

In a previous blog post about computing confidence intervals for rankings, I inadvertently used the VAR function in SAS/IML 9.22, without providing equivalent functionality for those readers who are running an earlier version of SAS/IML software. (Thanks to Eric for pointing this out.) If you are using a version of