Hi Zhu, You might be able to get around this by changing the tolerance in the QR decomposition. qr() takes a tolerance argument but you cannot control it from solve. If you modify the solve.default f
Bill Venables will present a newly developed 3 day advanced course for CSIRO Mathematical & Information Sciences in early June: Traditional and Modern Approaches to Statistical Modelling with S-PLUS.
Greetings S-news-ers, I am working on updating the Qtoolbox library (see below for more info) for S-Plus 6. As such I would like to package the chapter into a single __objects file, as done by the li
Many thanks to Krista Kilmer from Insightful support, Eran Bellin and Stephen Weller. Krista suggested that I was trying to do too much at once and should split up the running of CHAPTER, using -s th
Greetings s-news hounds, I was wondering if Theil's test is available in S+. I am asking this on behalf of someone else, so I don't know exactly what is supposed to do, but I think it is different fr
Many thanks to Sven Knudsen, Begoņa Campos Bonilla and Hugh Jones for their replies. Hugh suggests a few other techniques might be more appropriate and adds a few more references: -- I think that t