Difference between revisions of "OpasnetUtils/Dropall"
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# DROPALL ##################################### | # DROPALL ##################################### | ||
Revision as of 10:48, 15 June 2012
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Contents
Description
dropall pudottaa data.framesta pois kaikki faktorien sellaiset levelit, joita ei käytetä.
Parameters
- x = data.frame
Code
# DROPALL #####################################
## dropall pudottaa data.framesta pois kaikki faktorien sellaiset levelit, joita ei käytetä.
## parametrit: x = data.frame
dropall <- function(x){
isFac <- NULL
for (i in 1:dim(x)[2]){
isFac[i] = is.factor(x[ , i])
}
for (i in 1:length(isFac)){
x[, i] <- x[, i][ , drop = TRUE]
}
return(x)
}
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