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...ll? I understand that I shouldn't use lda at all with collinear data and should use "quadratische" (squared?) discr. analysis (by Welch) instead. Or is this wrong? Could I do this in R? Thanks four your help, Till Baumg?rtel ________________________________________ Abos online bestellen. Oder Leser werben und Pr?mie aussuchen. http://www.epost.de/aboservice

...nls(y~d+(x-b)*c1*(x-b<0)+(x-b)*c2*(x-b>=0), data=df2, start=sl) # plots to look at data par(mfrow=c(1,2)) plot(df1$x,df1$y) plot(df2$x,df2$y) Perhaps there is another fitting routine? Can anybody help? Best wishes, Karl ___________________________________________________________ Bestellen Sie Y! DSL und erhalten Sie die AVM "FritzBox SL" f??r 0. Sie sparen 119 und bekommen 2 Monate Grundgeb??hrbefreiung.

...he original set with a distinct distance d. If m==3, n==5 and d==3 this should get me the following variables: 5, 8, 11, 14, 17, 20, 23, 26 And for n==1 d==2 we would get the first problem. I would appreciate your help very much! Thanks, Till ________________________________________ Abos online bestellen. Oder Leser werben und Pr?mie aussuchen. http://www.epost.de/aboservice

...nd x, y are variables of a data frame. I think using nls is appropriate. But I do not know, how to type this formula in nls. Can anybody help? (If there is a possibility to use a Heaviside-function this would be enough.) Karl ___________________________________________________________ Bestellen Sie Y! DSL und erhalten Sie die AVM "FritzBox SL" f??r 0. Sie sparen 119 und bekommen 2 Monate Grundgeb??hrbefreiung.

Hello, I am a Second year PhD student in Dept of Management and Organization from NUS Business School, Singapore. Presently I am doing a multilevel analysis for a small research project with my supervisor. While surfing the web, I found your website on multilevel analysis. These are very useful for the understanding of the concept to me. I was also trying to learn more by completing the lab

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...data (variables in rows). If this wasn't, maybe I could give the "what"-parameter a vector value with the appropriate variable-types? Sorry, but I really got stuck and don't know any further. thanks, Till ________________________________________ Zeitschriftenabos online bestellen - jetzt neu im Infoboten! http://www.epost.de -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body",...

Dear List members, I am trying to produce some trellis graphics and to save them in a postscript file but I only get blank files. R behaviour is certainly strange because I use a loop to generate the graphics (see code below). When I change the loop variable myself the postscript graphics are OK. I am using R 1.9.1 (2004-06-21) on Debian GNU/Linux which I try to keep updated on a daily basis. I