Howabout using 'lapply'?
forest <- lapply(1:10, function(level) {
# do some other things here
# create and return a random forest
randomForest(x = x.level, y = z.level, ntree = trees)
})
# give meaningful names
names(forest) <- paste("level", 1:10, sep = "_")
Paul Boutros wrote:
> Hello,
>
> I'm trying to create a series of randomForest objects, basically in a
> loop like this:
>
> forests <- list();
>
> for (level in 1:10) {
>
> # do some other things here
>
> # create a random forest
> forest <- randomForest(
> x = x.level,
> y = z.level,
> ntree = trees
> );
>
> forests <- c(forests, forest);
>
> }
>
>
> But instead of creating a list of 10 forests, this creates a list of
> 180 elements, 18 for each forest. Is there a way to create a list of
> randomForest objects for use later on in code like:
>
> for (forest in forests) {
> values <- predict(forest, data);
> # do things with these predicted values
> }
>
> Sincerely,
> Paul
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
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and provide commented, minimal, self-contained, reproducible code.
