search for: stratasizemone

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

2008 Dec 03
1
help on tapply using sample with differing sample-sizes
...ciqntu) { i <- 1 sdatavar <- sort(datavar) sstratavar <- sort(statavar) sweight <- sort(weight) sdatavarwght <- sdatavar*sweight # stramn <- tapply(sdatavar, sstratavar, mean) meanvect <- rep(0, times = nboot) stratasize <- tapply(sdatavarwght, sstratavar, length) stratasizemone <- stratasize -1 while (i < nboot) { #vector of resampled observations vectobsrestemp <- tapply(sdatavarwght, sstratavar, sample, replace = T, size = stratasizemone) vectobsres <- unlist(vectobsrestemp) meanvect[i] <- mean(vectobsres) i <- i + 1 } repvectboot <- rep...