OpasnetUtils/Dropall: Difference between revisions

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label="Initiate functions"
label="Initiate functions"
graphics="1"
graphics="1"
showcode="1"
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# DROPALL #####################################
# DROPALL #####################################

Revision as of 10:48, 15 June 2012



Description

dropall pudottaa data.framesta pois kaikki faktorien sellaiset levelit, joita ei käytetä.

Parameters

  • x = data.frame

Code

- Hide 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)
}

See also