Re: [R] question about converting a matrix to a dataframe

2010-09-16 Thread Ivan Calandra
Hi, Well, it works for me: x <- matrix(1:20, nrow=5, ncol=4) data.frame(x[1:5,2:4]) X1 X2 X3 1 6 11 16 2 7 12 17 3 8 13 18 4 9 14 19 5 10 15 20 Maybe with as.data.frame(), or set the drop argument to FALSE: data.frame(x[1:5,2:4,drop=FALSE]) Not sure why it doesn't work for you. Check t

Re: [R] question about converting a matrix to a dataframe

2010-09-16 Thread Michael Green
p@r-project.org Subject: [R] question about converting a matrix to a dataframe First I have a matrix called stocks1: > class(stocks1) [1] "matrix" Here are the first 5 rows of the last 4 columns: > stocks1[1:5,2:5] [,1] [,2] [,3] [,4] [1,] 80.73 31.95 25.4 25.6

[R] question about converting a matrix to a dataframe

2010-09-16 Thread Leigh E. Lommen
First I have a matrix called stocks1: > class(stocks1) [1] "matrix" Here are the first 5 rows of the last 4 columns: > stocks1[1:5,2:5] [,1] [,2] [,3] [,4] [1,] 80.73 31.95 25.4 25.69 [2,] 83.66 31.95 27.12 25.2 [3,] 83.27 32.93 28.74 26.29 [4,] 83.9 34.07 29.77 26.6 [