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2005 Sep 20
5
Neat way of using R for pivoting?
...n(t) { cnfac <- factor(t$cnset); mu <- as.list(by(t$snr, cnfac, mean)); tvar <- as.list(by(t$snr, cnfac, var)); t <- list(mu=mu, var=tvar); } vn <- read.table('vn.csv', sep=','); vn_stats <- get_stats(vn); vsn <- read.table('vsn.csv', sep=','); vsn_stats <- get_stats(vsn); snrs <- as.numeric(names(vn_stats$mu)) matplot(snrs, cbind(vn_stats$mu, vsn_stats$mu)); windows(); matplot(snrs, cbind(vn_stats$var, vsn_stats$var)); ******* END SNIPPET ******* Appreciate any helpful hints from the pros. Cheers! p.s. We've been having rather a g...