[R] Help Required in looping visuals

Hi Team , I have a requirement of building set of panels in which each panel has multiple visuals based on single set of dataset values and this thing is repeated for other set of values as well. For this requirement , I am trying to use a for loop to create visuals and panel for each set of va

Re: [R] how to convert the lower triangle of a matrix to a symmetricmatrix

@Olivier ETERRADOSSI : I tried "gdata" to convert a (1x1) lower triangular matrix to full matrix and got memory problems. Especially at this step : upperTriangle(a) <- lowerTrangle(a) it consumes more than 3 GB . Any ideas on how to create full matrix with efficient memory management ?

Re: [R] Principal componet plot from lower triangular matrix file

Yes. I agree that plot is going to be crowded. But idea is to see if elements of same type (different color code etc) group together or not. I would need only first two principal components (at most three). Since princomp calculates all components, it is taking very long time ! -- View this mes