Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
Hello R-help, Is there a way to get R to tell you the coefficients in a lm that it wouldn't normally tell you because of identifiability constraints? For instance, if you use contr.sum() to generate contrasts for...
Hello R-help, I recently spent a lot of time debugging a program, and the problem turned out to be my own misuse of the det() function. A simple recreation of the problem would be X <- diag (c(2,2...
Hello John, If many numbers are duplicated, then one way is to coerce to a factor and use the levels() function. For instance: x <- c(1,1,2,2,2,3,3,4,1,1,2,4) X <- factor(x...
Can't find what you're looking for? Try searching with Google .