I’m expanding the coverage of my article, The Popularity of Data Analysis Software. This is the first installment, which includes a new opening and a greatly expanded analysis of the analytics job market. Here it is, from the abstract onward … Continue reading →
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If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in January and April. If you already know another analytics package, the workshop, Intro to R for … Continue reading →
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With the new release of PROC ADAPTIVEREG in SAS 9.4, the tool belt of regressions in SAS/STAT is almost completed. Hope in the future there will be a designated procedure for k-NN in SAS/STAT..
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While R has more methods than any other analytics software, it has been missing a crucial feature found in most other packages. SPSS Modeler had it first, way back when they still called it Clementine. Then SAS Institute realized how crucial … Continue reading →
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If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in October. If you already know another analytics package, the workshop, Intro to R for SAS, SPSS … Continue reading →
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Tracking the job market for statistics, analytics, data mining and the like used to be a major undertaking. However, on November 10, 2011 the world’s largest web site for job postings, Indeed.com, released a tool that allows you to examine trends … Continue reading →
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Here is code to calculate RMSE and MAE in R and SAS. RMSE (root mean squared error), also called RMSD (root mean squared deviation), and MAE (mean absolute error) are both used to evaluate models. MAE gives equal weight to all errors, while RMSE gives...
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I’m continuing to gather and analyze data to update The Popularity of Data Analysis Software. In this installment I cover the latest employment figures. Employment is important to us all, so what software skills are employers seeking? A thorough answer … Continue reading →
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