Your data set probably has character variables. You can transform them
into factors before running na.roughfix.
Weidong Gu
On Mon, Mar 26, 2012 at 8:17 AM, silje sk?r <silje.skr at gmail.com>
wrote:> I have a question regarding NA in randomForest (in R). I have a dataset
> which include both numerical and non-numerical variables, and the data
> includes some NA. I tried to use na.roughfix but then i get an error
> message "na.roughfix only works for numeric or factor". I also
tried
> rfImpute but this does not work either because I have some NA in my
> response variable. Does anyone have som tips to how I can deal with this?
>
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