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At SAS we use data to accomplish many of our everyday tasks. At SAS Books, we have now even used data to create a data-driven book, An Introduction to SAS Visual Analytics.
As the Research Triangle Park becomes more popular, we're getting a lot more traffic on the roads. And with flexible work hours, of course I try to pick a time to drive to work when there's less traffic. I recently saw a cool infographic showing the most popular times when
Simulation studies are used for many purposes, one of which is to examine how distributional assumptions affect the coverage probability of a confidence interval. This article describes the "zipper plot," which enables you to compare the coverage probability of a confidence interval when the data do or do not follow
