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.
matrix problem
Costis Ghionnis
·
Jun 20, 2011
·
r-help
Hallo everyone! I have a problem about creating a matrix... Suppose we have a vector y<-c(1,1,1,3,2) and a zero matrix, m ,with nrows=length(y) and ncol=4. The matrix would look like this...
matrix problem-replacing pieces of a matrix
Costis Ghionnis
·
Jun 21, 2011
·
r-help
#Hallo again.. Thank you for your answers. To sum up: #The problem was that we have the matrix m m<-matrix(numeric(length=5*4),nrow=5,ncol=4) m # [,1] [,2] [,3] [,4] # [1,] 0 0 0 0 # [2...
Can't find what you're looking for? Try searching with Google .