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2013 Sep 09
1
usando RasterBricks
...jemplo estos valores aleatorios para generar un RasterBrick s de 3 capas. library(raster) r <- raster(ncol=10, nrow=10) r[]=1:ncell(r) s <- brick(r,r,r) s <- s * 1:3 Habría alguna forma sin hacer un bucle for, que me devolviese un vector con los valores medios de cada una de las 3 capas. mean_s<-NULL for (i in 1:3) { mean_s[i]<-mean(s[[i]][]) } Un saludo y gracias [[alternative HTML version deleted]]
2010 Aug 05
3
eval-parse and lme in a loop
...e code is node being replaced as it is in the call to aov. Anybody got any idea what's wrong? rm(list=ls()) library('nlme') df=data.frame( Group=rep(c("ctrl", "short", "long"), each=9, times=1), Subject=paste("S", 1:27, sep=""), Mean_1=c(-2.335482, 8.269832, 6.704734, -2.355664, 0.724432, 11.212987, 5.966652, 10.741065, 3.567522, 5.359832, 4.899951, 4.084452, 5.976326, 8.634508, 5.750942, 7.455622, 6.823843, 0.903801, 13.198157, 5.238985, 5.171453, 10.273715, 5.184785, 6.225874, 8.889997, 12.096968, 9.843028),...
2009 Jul 14
2
hi friends, is there any wait function in R
...s[t],"_mean",sep="")) o<-read.table(paste("../Alpha_and_beta_proteins_aorb/aob",s[t],"mean.sat",sep=""),header=T) attach(o) names(o) ol<-1:length(paste("aob",s[t],"_mean",sep="")) postscript(file=paste("Mean_",s[t],"_Plot.ps",sep="")) plot(0,xlim=c(0,160),ylim=c(0,70),main=paste("Mean Distance Plot for ",s[t]," Rsidue pair",sep=""),ylab="Mean Distance in Angstrom",xlab="Residue Seperation Number") lines(al,paste("alp"...
2009 Jun 29
5
Help
Hi group, I found a module for adaptive kernel density estimation for Stata users, but unfortunetly I don't have access to Stata, can I find a similar approach using R? Thank u so much 4 ur time. [[alternative HTML version deleted]]