search for: coulthard

Dear R list people I loaded a file of numbers into R and got a dataframe of factors. So I tried to convert it to numeric as per the FAQ using as.numeric(). But I'm getting errors (please see example), so what am I getting wrong? Thanks for your time. John Example... #my data object > f GSM187153 GSM187154 GSM187155 GSM187156 GSM187157 GSM187158 GSM187159 13 7.199346 7.394519

Hi I'm trying to scale the point symbols on a 3d plot so that the ones at the front are larger than the ones at the back. I'm trying to give the image some perspective. Given this code... library(scatterplot3d) data=array(c(0,5,9), c(3,3)) scatterplot3d(data, pch=19, cex.symbols=10-data[,2], color=c("red","blue","black")); > data [,1] [,2] [,3]

Hi I'm trying to install R on Ubuntu 11.10 and it seems to install fine with both apt-get and dpkg but always when I start R I get jt42@bioinf4:~# R /usr/local/bin/R: line 237: /usr/lib/R/etc/ldpaths: No such file or directory R version 2.14.0 (2011-10-31) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform:

Hi As I can't find an example of my data structure I'd like some advice on which is the most appropriate test for significant effects. If I should be using either lme or anova, is the relevant example below the best/correct way to do the test? The Data... 2 groups of patients (5 in GroupA, 7 in GroupB) 3 short acting drugs, (I'm not concerned with residual effects from the previous

...nd then perform a standard repeated measures ANOVA. But, I do not feel that would be appropriate in this case. Thanks so much for your time, Chris ------------------------------ Message: 43 Date: Fri, 29 Oct 2010 18:37:41 +0200 From: Uwe Ligges <ligges@statistik.tu-dortmund.de> To: John Coulthard <bahhab@hotmail.com> Cc: r-help@r-project.org Subject: Re: [R] scatterplot3d; scaling point symbols to depth of graph Message-ID: <4CCAF855.5080404@statistik.tu-dortmund.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed I had a look: I fixed it 5 months ago and forgo...