Re: [R] Keep only those values in a row in a data frame which occur only once.

> I have a file data.txt as follows: > > Name_1,A,B,C > Name_2,E,F > Name_3,I,J,I,K,L,M > > My query is how can I keep only the unique elements in each row? For > example: I want the row 3 to be Name_3,I,J,K,L,M > > Please note I don't want the 2nd I to appear. > > How can I do this? Use unique

Re: [R] Keep only those values in a row in a data frame which occur only once.

Hi Ashim, One way is this, assuming that your data frame is named akdf: akdf<-t(apply(akdf,1,function(x) return(unique(x)[1:length(x)]))) If you want factors instead of strings, more processing will be required. Jim On Mon, Jun 12, 2017 at 3:23 PM, Ashim Kapoor wrote: > Dear All, > > I have a f

[R] Keep only those values in a row in a data frame which occur only once.

Dear All, I have a file data.txt as follows: Name_1,A,B,C Name_2,E,F Name_3,I,J,I,K,L,M I will read this with: my_data<- read.csv("data.txt",header=FALSE,col.names=paste0("V", seq(1:10)),fill=TRUE) Then the file will have 10 columns. I am assuming that each row in data.txt will have at the max