Displaying 3 results from an estimated 3 matches for "resortcombinedfields".
2008 Nov 25
1
Efficient passing through big data.frame and modifying select
...t; >
> > In order to enable merging/duplicate identification of columns
> > containing these strings, I wrote the following function, which
> > passes through the rows one by one, identifies ";"-containing cells,
> > splits and resorts them.
> >
> > ResortCombinedFields <- function(dframe){
> > if(!is.data.frame(dframe)){
> > stop("\"ResortCombinedFields\" input needs to be a data frame.")
> > }
> > for(row in seq(nrow(dframe))){
> > for(mef in grep(";",dframe[row,])){
>
> I needed to a...
2008 Nov 25
0
Efficient passing through big data.frame and modifying select fields
..."some;thing"
>frame2[2,1]
[2] "thing;some"
In order to enable merging/duplicate identification of columns containing these strings, I wrote the following function, which passes through the rows one by one, identifies ";"-containing cells, splits and resorts them.
ResortCombinedFields <- function(dframe){
if(!is.data.frame(dframe)){
stop("\"ResortCombinedFields\" input needs to be a data frame.")
}
for(row in seq(nrow(dframe))){
for(mef in grep(";",dframe[row,])){
dframe[row,mef] <- paste(sort(unlist(strsplit(dframe[row,mef...
2009 Mar 09
5
Help
...;>> > containing these strings, I wrote the following function, which
> > >>> > passes through the rows one by one, identifies ";"-containing
> cells,
> > >>> > splits and resorts them.
> > >>> >
> > >>> > ResortCombinedFields <- function(dframe){
> > >>> > if(!is.data.frame(dframe)){
> > >>> > stop("\"ResortCombinedFields\" input needs to be a data frame.")
> > >>> > }
> > >>> > for(row in seq(nrow(dframe))){
> > &...