>> Andy, I'll explain why I am asking. I probably should have
>> done it in the beginning:
>> I am asking not in order to figure out how to do it. I am
>> asking in order to figure something that' was done around
>> November 01, 2008.
>> Back then, a piece of code was run where from the object of
>
From: Dimitri Liakhovitski
> >> Andy, I'll explain why I am asking. I probably should have
> done it in
> >> the beginning:
> >> I am asking not in order to figure out how to do it. I am
> asking in
> >> order to figure something that' was done around November 01, 2008.
> >> Back then, a piece
Thank you very much, Andy.
I did turn off HTML - hope it'll solve the problem!
> Andy, but it is the FIRST column in $importance (not the SECOND) that is
> labeled "%IncMSE". The second column is labeled "IncNodePurity". So, I
> am confused - which one is the mean decrease in accuracy?
> Or, maybe
> From: Dimitri Liakhovitski
> Thank you very much, Andy.
> I did turn off HTML - hope it'll solve the problem!
Indeed it does!
[...]
> > [AL]: As I said, you are recommended to use importance() to extract
> > variable importance. The recommendation is for avoiding confusions
> > like yours
Not that I want to pick on you, but can you turn off the html format in
your messages? The mailing list balk at such format, and I can't reply
in plain text with the right formatting of previous messages (had to
manually remove the tabbed indents that Outlook added when changed to
plain text).
Se
Andy, thank you - and sorry for being a bit slow (see my questions below):
On Thu, May 6, 2010 at 8:37 AM, Liaw, Andy wrote:
> See reply inline below.
>
> Andy
>
> From: Dimitri Liakhovitski
> >
> > I have a question about predictor importances in randomForest.
> >
> > Once I've run randomForest
See reply inline below.
Andy
From: Dimitri Liakhovitski
>
> I have a question about predictor importances in randomForest.
>
> Once I've run randomForest and got my object, I get their importances:
> rfresult$importance
> I also get the "standard errors" of the permutation-based importance
> m
I have a question about predictor importances in randomForest.
Once I've run randomForest and got my object, I get their importances:
rfresult$importance
I also get the "standard errors" of the permutation-based importance
measure: rfresult$importanceSD
I have 2 questions:
1. Because I am dealin
8 matches
Mail list logo
