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Hello R-user, sorry for this very off-topic question. But I shall present R to my dept. (pro's and con's and what it can do). The pro's and con's are easy but not what R can do (additional to the "normal" statistics). I looked through the packages, but the enormous amount of packages makes it very difficult for me to decide which one is worth mentioning. I used

R users, In S, there was a function called usa() that would draw the map of the United States, plus it had other options for graphics. I have looked but I can't find the equivalent in R. Is there one? Thanks, Jason

Hello, I am looking for a workaround of "species empty" plots in a correspondence analysis. I tried to do a community structure analysis with a ca via decorana(), ca() and CAIV(), but none of them allow 0 only-rows. I have species (abs./pres) in columns and sites in rows sp1 sp1 sp3 ... plot1 0 1 1 plot2 0 0 0 plot3 1 0 1 ..... but on some plots no

hello, I apologize that I poste this question again but I did not receive any replies on this topic and would like to know if the mail has been read over or if there is no method of statistical prediction computation for poisson errors in glm(). I am looking for a way to compute the model prediciton error of a glm() with poisson error family. cv.glm() does not work. (it prompts values

Hello, I start running into problems with 1.7. due to packages which are only supported by 1.8., therefore I tried to get 1.8. but synaptic only shows up with 1.7.. Are there already debian 1.8 packages? Another question would be, how I can keep all my previously installed packages. will they be kept in '/usr/local/lib/R/site-library or does the new R overwrite these addional packages?