search for: median1

Displaying 1 result from an estimated 1 matches for "median1".

Did you mean: median
2003 Oct 29
3
long algo
...g R for months and find it really practical and straight forward. However (the inevitable however), I am finding it very slow for one of my operations: it s basically an itertation over i and j in a pretty big table (4* 4608). It takes 30 minutes!!!! Thanks Ps:if it can help here is the source: median1<-matrix(nrow=4608,ncol=1) median2<-matrix(nrow=4608,ncol=1) median3<-matrix(nrow=4608,ncol=1) median4<-matrix(nrow=4608,ncol=1) v<-c(18,19,20,21,23) for (i in 0:11) { for (j in 1:384) { median1[j+(i*384),]<-puce[j+(i*384),5]+median(puce[v+384*i,2]-pu...