sap<-sapply(strsplit(m,","),as.numeric)
sap[which(sap <= 3)]<-0
mNew<-matrix(apply(sap,2,FUN=function(x){paste(x,collapse=",")}),ncol=4)
works?
On 06.07.2012, at 08:47, Sarah Auburn wrote:
> Hi,
> I am trying to format some data (example matrix "m" below) for which each
> data point has 2 associated values separated by a comma.
> I want to replace values <3 with "0" to give the example output below.
> I have got as far as:
> out<-lapply(strsplit(m,","),as.numeric)
> Failed to identify anything along the lines of "[out<3]<-0" that works...
> Thank you for any help!
> Sarah
>
> m<-matrix(c("1,6", "0,12", "130,12", "0,0", "123,4", "2,2","3,7","9,6",
> "0,0", "12,2", "1,2", "0,3"), ncol=4)
>
> required output:
> [,1] [,2] [,3] [,4]
> [1,] "0,6" "0,0" "0,7" "12,0"
> [2,] "0,12" "123,4" "9,6" "0,0"
> [3,] "130,12" "0,0" "0,0" "0,0"
> [[alternative HTML version deleted]]
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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