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On 25/02/2011 21:22, Ben Ward wrote: > > -------- Original Message -------- > Subject: Re: [R] ANOVA and Pseudoreplication in R > Date: Fri, 25 Feb 2011 12:10:14 -0800 > From: Bert Gunter<gunter.berton at gene.com> > To: Ben Ward<benjamin.ward at bathspa.org> > CC: r-help<r-help at r-project.org> > > > > I can hopefully save bandwidth here by suggesting that this belongs on > the R-sig-mixed-models list. > > -- Bert > > As an aside, shouldn't you be figuring this out yourself or seeking local consulting e...

-------- Original Message -------- Subject: Re: [R] Simulation - Natrual Selection Date: Wed, 05 Jan 2011 17:24:05 +0000 From: Ben Ward <benjamin.ward@bathspa.org> To: Bert Gunter <gunter.berton@gene.com> CC: Mike Marchywka <marchywka@hotmail.com> On 05/01/2011 17:08, Bert Gunter wrote: > Couple of brief comments inline below. -- Bert > > On Wed, Jan 5, 2011 at 8:56 AM, Ben Ward<benjamin.ward@bathspa.org> wrote: &gt...

Hi, I've just discovered R keeps installing my packages into C:\Users\Ben instead of "C:\\Users\\Ben;/R/win-library/2.12" which is what is returned by running Sys.getenv("R_LIBS_USER"). I've tried setting environment variables in windows control panel of R_LIBS. But nothing seems to be working, it still wants to fill my user folder, I've tried uninstalling

Hi, I wonder if anyone could advise me with this: I've been trying to make a standard curve in R with lm() of some standards from a spectrophotometer, so as I can express the curve as a formula, and so obtain values from my treated samples by plugging in readings into the formula, instead of trying to judge things by eye, with a curve drawn by hand. It is a curve and so I used the

Hi, As part of my dissertation, I'm going to be doing an Anova, comparing the "dead zone" diameters on plates of microbial growth with little paper disks "loaded" with antimicrobial, a clear zone appears where death occurs, the size depending on the strength and succeptibility. So it's basically 4 different treatments, and I'm comparing the diameters (in mm) of

Hi, I've been modelling some data over the past few days, of my work, repeatedly challenging microbes to a certain concentration of cleaner, until the required concentration to inhibit or kill them increaces, at which point they are challenged to a slightly higher concentration each day. I'm doing ths for two different cleaners and I'm collecting the required concentration to

Dear all, I would like to know which is the right way to check the normality assumption for performing ANOVA. How do you check normality for the following example? I did an experiment where people had to evaluate on a 7 point scale, the degree of realism of some stimuli presented in 2 conditions. The problem is that if I check normality with the Shapiro test I get that the data are not

Hi, I'm hoping somebody can help me with this I'm a little stuck, I've followed the method as closely to the Linux way to get org mode exporting to pdf through latex my work with R. I have emacs extracted and installed to Program Files, and ran "addpm", I have Rterm in my path, and I extracted ESS and Org 7.4 to Program Files\emacs-22.3\site lisp. I've edited

Hi, I'm trying to put a document through odfWeave that has some R code for coursework in it: > library(odfWeave) Loading required package: lattice Loading required package: XML > inFile = "~/Documents/Squirrel.odf" > outFile = "~/Documents/ Squirrel Out.odt" > inFile = "~/Documents/Squirrel.odt" > odfWeave (inFile, outFile) But when I do this I

Hi, I want to ue a randomisation test, to compare two sample means, for a small set of data, I've looked at towt.permutation, perm.test and permtest, as well as permTS(), which is the best one to use for such a simple purpose? I know perm.test package isn't used anymore and coins recommended, but reading the manual I couldnt find the function most like it, ore more likely I

Hi, I'm doing some modelling (lm) for my 3rd year dissertation and I want to do some resampling, especially as I'm working with microbes, getting them to evolve resistance to antimicrobial compounds, and after each exposure I'm measuring the minimum concentration required to kill them (which I'm expecting to rise over time, or exposures), I have 5 lineages per cleaner, and

Hi, I've been doing an experiment, measuring the dead-zone-diameters of bacteria, when they've been grown with paper diffusion disks of antimicrobial. There are two groups, or treatments - one is bacteria that have been cultured in said antimicrobial for the past year, the other group is of the same species, but lab stock and has not gone had any prior contact with the antimicrobial.

Hi all, I read in a text book, that you can examine a variable that is colinear with others, and giving different ANOVA output and explanatory power when ordered differently in the model forula, by modelling that explanatory variable, against the others colinear with it. Then, using that information to split the vector (explanatory variable) in question, into two new vectors, one should

Hi, I'm trying to take a function from a workspace download provided in a stats textbook book, so I have it in my workspace to use all the time. I opened the workspace and typed the names of the two functions to get the code that makes them up: ------------------------------------------------------------------------------------- > resample function(d, size,