[R] Substitute Values in a Matrix?
Chris82
rubenbauar at gmx.de
Wed Sep 10 01:12:21 CEST 2008
Hi,
I'm searching for a function to subistute Values in a Matrix to new Values.
For example:
old value new value
1.1 6
1.2 7
. .
. .
. .
1.9 14
2.0 15
and
2.1 15.5
2.2 16
. .
. .
2.9 19.5
3.0 20
There is a difference between the correlation old to new value
For the present my code is like this:
y <- matrix(c(1,2,1, 3,2,4, 1,1,1), ncol=3, byrow=TRUE)
for (i in 1:3) {
for (j in 1:3) {
if y[i,j] = 1:2 substitute y[i,j] = 6:15
}
}
But I don't find a correct syntax for this term " if y[i,j] = 1:2 substitute
y[i,j] = 6:15" and I'm not sure if my idea is to simple and it's more
complex than I think.
thanks.
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