rrp is working!
Sorry, it was my mistake... fiddling around to find
out what the problem is I forgot to re-include the
variables which are to be imputed. It seems like this
case is not caught but the algorithm finishes with the
mentioned error.
Anyway, I am still a little fuzzy about imputation and
browsing the web I found no clear recommendations
regarding this topic. Which R function would you
recommend for imputing categorical variables /
factors?
Many thanks,
Werner
> Hi,
>
> I have a survey dataset of about 20000 observations
> where for 2 factor variables I have about 200
> missing
> values each. I want to impute these using 10
> possibly
> explanatory variables which are a mixture of
> integers
> and factors.
>
> Since I was quite intrigued by the concept of rrp I
> wanted to use it but it takes ages and terminates
> with
> an error. First time it stopped complaining about
> too
> little memory which I increased then from 1.5 to
> 2GB.
> Now it terminates after a long time with this:
> Error in nn[[i]] : subscript out of bounds
>
> Has anybody encountered this problem before, is it
> due
> to my data? Could you recommend another package for
> such imputation?
> I looked at the aregImpute in Hmisc but I don't
> really
> understand what it is doing.
>
> Thanks a lot,
> Werner
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