[R] randomForest

[Uwe Ligges]

Anirudh Kondaveeti wrote:
> sampsize uses the same sample for all the trees in the random Forest.

No.

Uwe Ligges




> But I want to use different sample for each tree of the 500 trees in the
> random Forest. Thanks!
> 
> 
> Anirudh Kondaveeti
> ----------------------------
> 
> 
> 2009/3/20 Uwe Ligges <ligges at statistik.tu-dortmund.de>
> 
>>
>> Anirudh Kondaveeti wrote:
>>
>>> Hi!
>>>
>>> I am dealing with random forest using R.
>>>
>>> Is there a way to sample a fixed no.of rows from a dataset for use with
>>> different trees in random Forest.
>>> To be more clear, my data set contains 1500 rows, and I am growing 500
>>> trees
>>> in Random Forest
>>> Is it possible to sample only 500 rows of data from the data set and use
>>> it
>>> for different trees in the forest. I mean each tree of the forest should
>>> use
>>> a different 500 rows from the data set.
>>>
>>
>> See ?randomForest and the argument sampsize.
>>
>> Uwe Ligges
>>
>>
>>
>>
>>> Thanks in advance!
>>>
>>> Anirudh Kondaveeti
>>> ----------------------------
>>>
>>>        [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>