The View from Eigenvector

EigenNews and EigenViews from Barry and the Eigenvector staff.

The View from Eigenvector

Sijmen de Jong

Nov 8, 2010

Sijmen de Jong passed away on October 30, 2010. I first heard of Sijmen not long after finishing my dissertation. It was late 1992 or so, and I was working at Battelle, Pacific Northwest National Laboratory (PNNL). Sijmen had gotten a copy of an early version of PLS_Toolbox which was available on the internet via […]

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Speed of PLS Algorithms

Nov 1, 2010

Previously I wrote about accuracy of PLS algorithms, and compared SIMPLS, NIPALS, BIDIAG2 and the new DSPLS. I now turn to speed of the algorithms. In the paragraphs that follow I’ll compare SIMPLS, NIPALS and DSPLS as implemented in PLS_Toolbox 6.0. It should be noted that the code I’ll test is our standard code (PLS_Toolbox […]

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