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41 lines
1002 B
R
41 lines
1002 B
R
#' Formatting multiple columns as factor
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#'
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#' Depending on dply's contains()-function.
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#' @param string Columnnames containg strings.
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#' @param data Dataframe
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#' @param levels Levels for all selected columns
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#' @param labels labels for all selected columns
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#' @keywords factor
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#' @export
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#' @examples
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#' col_fact()
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col_fact<-function(string,data,levels=NULL,labels=NULL){
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## Defining factors for columns containing string (can be vector of multiple strings), based on dplyr.
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## Factoring several columns with same levels or labels, these can be provided.
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require(dplyr)
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d<-data
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s<-string
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n<-c()
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for(i in 1:length(s)){
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n<-c(n,names(dplyr::select(d,dplyr::contains(s[i]))))
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}
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if (!is.null(levels)){
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for(i in 1:length(n)) {
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d[,n[i]]<-factor(d[,n[i]],levels=levels)}}
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if (!is.null(labels)){
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for(i in 1:length(n)) {
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d[,n[i]]<-factor(d[,n[i]],labels=labels)
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}}
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else
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for(i in 1:length(n)) {
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d[,n[i]]<-factor(d[,n[i]])}
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return(d)
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}
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