On Nov 17, 2012, at 7:41 AM, Omphalodes Verna wrote:
Dear list!
I would like to write a function to transform matrix, which is input
argument of a written function. It is easy with new matrix (see
below), but my idea is to transform input argument (matrix) of
function without any additio
Hello,
Your function fun2 (in fact both of them) changes a _copy_ of df1, not
df1 itself. To have a copy of the output of fun2 you need to assign the
value of fun2 outside it.
df2 <- fun2(df1)
Now df2 has what you want. (If I understand it well.)
Hope this helps,
Rui Barradas
Em 17-11-2012 1
I'm afraid I don't really understand what you're searching for, but
note that your functions can be written without assignment/return:
fun3 <- function(x) invisible(cbind(xy[,1], xy[,2], xy[,1] + xy[,2]))
Cheers,
Michael
On Sat, Nov 17, 2012 at 3:41 PM, Omphalodes Verna
wrote:
> Dear list!
>
>
Dear list!
I would like to write a function to transform matrix, which is input argument
of a written function. It is easy with new matrix (see below), but my idea is
to transform input argument (matrix) of function without any additional
matrixes. Here is an example:
fun1 <- function(xy) {
x
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