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.... 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

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

...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.