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mylogin
2003 Oct 30
0
loglm() uses only a reference to data, and not data itsel f - is that on purpose??
...rd at agrsci.dk]
Sent: Thursday, October 30, 2003 8:10 AM
To: r-help at stat.math.ethz.ch
Subject: [R] loglm() uses only a reference to data, and not data itself
- is that on purpose??
Dear all,
Consider the following:
library(MASS); data(HairEyeColor)
l1 <- loglm(~ 1+2+3, data=HairEyeColor)
myloglm <- function(){
nd <- HairEyeColor
v <- loglm(~ 1+2+3, data=nd)
return(v)
}
l2 <- myloglm()
Now, step(l1) works, whereas step(l2) does not, the problem being that data
nd does not exist outside myloglm. I was under the impression that objects
from functions like glm() and...