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Hello list ! I have a huge data.frame with several variables observed on about 3000 persons. For every person (row) there is variable called GROUP which indices the group the person belongs to. There is also another variable AV for...
Hello, i have written this little function to draw different normal distributions: n.Plot <- function(x,my,sigma) { e <- exp(1) names(x) <- x f.x <- (1/(sigma*sqrt(2*pi)))*e^(-1*(((x-my)^2)/2*(sigma^2))) plot...
Thank you all, that did the trick. Sometimes i can be a real blockhead. > Atropin75 at t-online.de (Felix Eschenburg) writes: > > Hello, > > i have written this little function to draw different normal > > distributions: > > > > n.Plot <- function(x,my,sigma...
First of all a big thanks for the fast answer. > > Using > Package: nlme > Version: 3.1-48 > Date: 2004/01/14 > Priority: recommended > Title: Linear and nonlinear mixed effects models > Author: Jose Pinheiro <Jose.Pinheiro at pharma.novartis.com>, Douglas...
Hello, it looks like this is what you want. year <- c(1970:1980) > snow <- sample(10,length(year),replace=T) > snow [1] 3 3 3 4 8 3 2 6 6 6 10 > year [1] 1970 1971 1972 1973 1974...
Dear list, i am a student of psychology and have to do a multilevelanalysis on some data. About that i have one general and one specific question. This is what i have copied from the help-file on lme: data...
Dear list, I asked some questions about multilevelanalysis a couple of months ago. In the meantime I did some reading about the subject. Now I'd like to check, if I understood it all correctly. If you think my questions...
Am Mittwoch, 4. Februar 2004 12:33 schrieb Philippe de Rochambeau: > Hello, > > 1) What is the difference between a "data frame" (J H Maindonald, Using > R, p. 12) and a "vector"? a vector looks like this: 1 2 3 4...
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