Return the leftmost or rightmost columns of a matrix or dataframe
Return the leftmost or rightmost or columns of a matrix or dataframe
right(x, n = 6) left(x, n=6)
x |
Matrix or dataframe |
n |
Number of columns to return |
An object consisting of the leftmost or rightmost n columns
of x.
Gregory R. Warnes greg@warnes.net
m <- matrix( 1:100, ncol=10 )
colnames(m) <- paste("Col",1:10, sep="_")
left(m)
right(m)
d <- as.data.frame(m)
left(d)
right(d)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.