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Dear helpeRs, anyone knows how to obtain a stacked area chart in R? I mean one of the graph that is used for representing compositional data along time. Thanks in advance, domenico

Is there a function in R for constrained linear least squares? I used the matlab function LSQLIN: my aim is to obtain non-negative regression coefficients which sum 1. Thanks in advance, domenico vistocco ___________________________________ Yahoo! Mail: gratis 1GB per i...

Is there a function in R for constrained linear least squares? I used the matlab function LSQLIN: my aim is to obtain non-negative regression coefficients which sum 1. Thanks in advance, domenico vistocco ___________________________________ Yahoo! Mail: gratis 1GB per i...

Dear all, someone knows if there is an already implemented function for drawing a back to back barplot (something similar to histbackback of the Hmisc package but for categorical data)? Thanks in advance, domenico vistocco Chiacchiera con i tuoi amici...

If you type > example(barplot) you will find an example. Ciao, domenico CHENYS wrote: > Hi, I'm looking for a tool which can fill bar chart with dash, skewed line, > or grids, rather than pure color. Any one have the...

http://tolstoy.newcastle.edu.au/R/help/05/06/6104.html http://tolstoy.newcastle.edu.au/R/help/05/06/6103.html domenico faisal afzal siddiqui wrote: > Pls advise how I can use R in conjoint analysis?? > > regds > Faisal Afzal...

Jonas Malmros wrote: > Hi, everyone > > I wonder if there is a function in R with which I can create a square > matrix with elements off main diagonal (for example one diagonal below > the main diagonal). > > Thanks in advance! > > You could...

You changed the intial letter: the function is qplot and not gplot. domenico Ricardo Perrone wrote: > Hi all, > > i installed the ggplot2 package via install.packages(), but the gplot function was not recognized in R console command. Is there any...

Antonio_Paredes at aphis.usda.gov wrote: > Hello everyone, > > I'll to request some input on what is available for use as an R/Excel > interface; any help will be appreciated. > > Tony. > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r...

WXE83 wrote: > Dear all, > > I got one problem here and hoping someone can help me on this. Say I have a > 50 by 2 matrix and I don't know how to randomly select: > data <- matrix(1:25, 50, 2...

Alina Sheyman wrote: > I've downloaded the RcolorBrewer package, but when I try to run > mypalette<-brewer.pal(7,"Greens") > > (or any other command with brewer.pal) > > I get the following error message - Error: could not find function > "brewer.pal...

gina patel wrote: > I would like to add the greek letter mu to replace u in my title shown below. > > main="R=[0.001uM]:A=[750uM]" > > i tried using main=expression(R=[0.001~mu~M]:A=[750~mu~M...

soeren.vogel at eawag.ch wrote: > ### example:start > v <- sample(rnorm(200), 100, replace=T) > k <- rep.int(c("locA", "locB", "locC", "locD"), 25) > tapply(v, k, summary) > ### example:end This one is better: do.call(cbind, tapply(v,k...

soeren.vogel at eawag.ch wrote: > ### example:start > v <- sample(rnorm(200), 100, replace=T) > k <- rep.int(c("locA", "locB", "locC", "locD"), 25) > tapply(v, k, summary) > ### example:end Maybe this could be a solution: t1 <- tapply(v, k...

Dear All, I am working on some slides using LaTeX/Beamer and R/Sweave. I have the two questions below (sorry if they are stupid or already solved but I didn't find solutions on the web). 1) Using the...

There is an agreement plot (and a relative measure) in the vcd package. Maybe it could be useful. domenico Ioannis Dimakos wrote: > Patrik, > > >> help.search("kappa") >> > > is a good place to start. Alternatively, > > >> RSiteSearch("measure of agreement") >> > > provides helpful tips...

diego Diego wrote: > Dear R experts: > > I have a list (a very long one) and I need to create successively txt > outputs (on diferent files ideally) for the data of each component of the > list. > > How can I do this...

library(R.utils) pos=which(diff(x)==1)+1 insert(x,ats=pos,rep(list(rep(0,3)),length(pos))) domenico vistocco Serguei Kaniovski wrote: > Hallo, > > suppose I have a vector: > > x <- c(1,1,1,2,2,3,3...

You could use the qqnorm function to obtain the correlation, as: > qqp=qqnorm(rstudent(regrname)) > cor(qqp$x,qqp$y) If you do not want see the plot (as the qq.plot is richer): > qqp=qqnorm(rstudent(regrname), plot.it...