The DO Loop

Statistical programming in SAS with an emphasis on SAS/IML programs
Work & Life at SAS
Rick Wicklin 4
Taking in. Giving back.

When we breathe, we breathe in and breathe out. If we choose only one or the other, the results are disastrous. The same principle applies to professional growth and development. Whether we are programmers, statisticians, teachers, students, or writers, we benefit from taking in and giving back. We "take in"

Programming Tips
Rick Wicklin 3
Distance correlation

Correlation is a statistic that measures how closely two variables are related to each other. The most popular definition of correlation is the Pearson product-moment correlation, which is a measurement of the linear relationship between two variables. Many textbooks stress the linear nature of the Pearson correlation and emphasize that

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