Hi,
First let me say I am a big fan of R and appreciate all your time and
effort.
The update() function does not seem to work in a for loop. Consider the
following:
mdat <- matrix(c(1,2,3, 11,23,13, 12,4,8), nrow = 3, ncol=3, byrow=TRUE)
reg <- lm(mdat[7:9]~1)
for(i in 1:2) {
reg <- update(reg,.~.+mdat[((i-1)*3 + 1):(i*3)]) #update reg twice
}
reg # reg should have two independent variables, but it only has one
The update() function in conjunction with a for loop will only consider the
last update, and not save all the previous ones. Is there a way around
this?
I appreciate your time.
- Ben Godlove
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