Hello,
>
> What I want to do with each iteration of the loop I want to create another
> uniquely named
> groupedData object - I just don't know how to assign a unique variable
> name.
>
The best way should be to create a list of groupedData objects. Along the
lines of
library(nlme)
n <- 100
df1 <- data.frame(A=sample(LETTERS[1:5], n, T),
B=sample(letters[1:5], n, T),
C1=rnorm(n),
C2=rnorm(n))
factorsList <- colnames(df1)
# First initialize to object of class 'list'
dataset <- list()
for(i in 3:4){
# If you want another name for each groupedData object:
# grname <- paste("gr", factorsList[i], sep="")
grname <- factorsList[i]
dataset[[ grname ]] <- groupedData(df1[, i] ~ A | B, data=df1)
}
str(dataset)
# Now use their unique names with the operator '$' or with '[['
dataset$C1
Grouped Data: df1[, i] ~ A | B
A B C1 C2
1 C e 0.001311565 2.237548657
2 B d 1.393674594 0.507935464
3 C c -0.821700986 -2.118189680
4 C d 0.314210639 -0.771531899
[... etc ...]
99 C e -0.435389239 1.024320656
100 D e 0.919110919 0.667429797
Hope this helps,
Rui Barradas
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