Re: [R] Remove Column from matrix

2012-11-21 Thread arun
  0    3 So, if you are not assigning : #Asse[2,4] <-2000 Then, Asse[,4] will be all zeros. Asse[,!colSums(abs(Asse))==0] #will remove the columns which are all zeros #or Asse[,!apply(Asse,2,function(x) all(x==0))] #will get the results you wanted. A.K. - Original Message - Fr

Re: [R] Remove Column from matrix

2012-11-21 Thread frespider
Hi, I edited the code sorry, I forgot the line before Can you have look again please? Thanks -- View this message in context: http://r.789695.n4.nabble.com/Remove-Column-from-matrix-tp4650334p4650348.html Sent from the R help mailing list archive at Nabble.com. ___

Re: [R] Remove Column from matrix

2012-11-21 Thread Rui Barradas
Hello, Three things: 1. You don't need an explicit comparison to TRUE, if(all(Asse[,"SSdiff"]==0)){ will do the same. 2. Your matrix Asse doesn't have colnames, try to see the output of colnames(Asse) You forgot to assign colnames(Asse) <- namVar. 3. Even if it did, SSdiff is the 4th column,

[R] Remove Column from matrix

2012-11-21 Thread frespider
Hi,, Can I get help with this. I need to remove a column form the matrix if that specific column has his all entry zero, here the code I wrote but it is not working can you help me please namVar <- c("TrlgWSST","TrlgWSSE","TrlgWSSR","SSdiff","TrlgWMSE","TrlgWR2","TrlgWR2adj","TrlgSSE","TrlgMSE","T

Re: [R] Remove Column from matrix

2012-11-21 Thread JoAnn Alvarez
Hi frespider, I think the problem is first that you are referring to column names that you haven't yet defined. To add the column names you can use the dimnames argument of the matrix function. Asse <- matrix(0,nrow=5,ncol=length(namVar), dimnames = list(NULL, namVar)) JoAnn -- View this mes