## Symbolic derivatives in SAS

Did you know that you can get SAS to compute symbolic (analytical) derivatives of simple…

By Rick Wicklin 1

Did you know that you can get SAS to compute symbolic (analytical) derivatives of simple…

By Rick Wicklin 6

The singular value decomposition (SVD) could be called the "billion-dollar algorithm" since it provides the…

By Rick Wicklin 0

All statisticians are familiar with the classical arithmetic mean. Some statisticians are also familiar with…

By Rick Wicklin 4

A SAS customer asked, "I computed the eigenvectors of a matrix in SAS and in…

By Rick Wicklin 0

Monte Carlo techniques have many applications, but a primary application is to approximate the probability…

By Rick Wicklin 1

At a conference last week, a presenter showed SAS statements that compute the logarithm of…

By Rick Wicklin 1

This article describes how you can evaluate the Lambert W function in SAS/IML software. The…

By Rick Wicklin 1

Edmond Halley (1656-1742) is best known for computing the orbit and predicting the return of…

By Rick Wicklin 2

I was eleven years old when I first saw Newton's method. No, I didn't go…

By Rick Wicklin 1

Statistical programmers often need to evaluate complicated expressions that contain square roots, logarithms, and other…