Full_Name: Riyan Cheng
Version: windows 2.0.1
OS: windows xp
Submission from: (NULL) (74.140.105.186)
If one runs the following function ff(), an error would occur regarding
data.frame():
ff<- function(){
x<- rnorm(10)
y<- rnorm(10)
lm1<- lm(y~1,data=data.frame(y=y,x=x)); cat("ok\n")
update(lm1,~ .+x,evaluate=T); cat("also ok\n")
add1(lm1, ~ .+x); cat("again ok\n")
}
ff()
But if there are external variables y and x, one would not get correct results.
This problem does not exist if one directly runs the body of the function:
x<- rnorm(10)
y<- rnorm(10)
lm1<- lm(y~1,data=data.frame(y=y,x=x)); cat("ok\n")
update(lm1,~ .+x,evaluate=T); cat("also ok\n")
add1(lm1, ~ .+x); cat("again ok\n")
There is exactly the same problem in Unix version.
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