similar to: randomized block design analysis PROBLEM

Hi! How to calculate the correct SE of mean in a nested or spliplot anova? Nested example: --------------------- m <- aov(Glycogen~Treatment+Error(Treatment/Rat/Liver)) > m Call: aov(formula = Glycogen ~ Treatment + Error(Treatment/Rat/Liver)) Grand Mean: 142.2222 Stratum 1: Treatment Terms: Treatment Sum of Squares 1557.556 Deg. of Freedom 2 Estimated

Hola a todos, Agradeceros de antemano vuestro tiempo y paciencia ya que soy un poco novato y tal vez esto sea un poco trivial.  Lo que quiero hacer es que me represente en eje de las x las fechas (columna fecha) y los valores de z (columna z) pero de los datos que he filtrado antes en (dfgrupo<-subset(df,df$parametroslaboratorio=="Aflatoxinas ByG")) y que los parámetros iguales

Does anyone know how to extract residuals in lmer? Here's the error I get: > crop.lme=lmer(response~variety*irrigation*pesticide+(1|rep)+(1|rep: pesticide)+(1|rep:pesticide:irrigation), crop.data) > qqnorm(crop.lme) Error in qqnorm.default(crop.lme) : y is empty or has only NAs > resid(crop.lme) NULL Thanks! --Jake

Hello. I'd like to compute the associate vector of distances between leaves in a binary non-rooted tree. The definition of a distance between two leaves in a binary non-rooted tree is the number of edges in the path joining the two leaves. I've tried the ape package but I'm unable to find this vector. For example, using rtree(5,rooted=F) I've obtained the following tree: $edge

Dear R gurus, I have the following model: appcov.aov <- aov(yield ~ prevyield + trt + block) where prevyield is a continuous numeric covariate and trt and block are factors (yes, I did factor()!) Now, when I do a TukeyHSD, my diff's are all screwed up! For instance: treatment mean for treatmen "E" is 277.25 and for treatment "O" is 279.5, so I figure the diff O-E

As an agronomist, sometimes i need to perform statistical analisys on "weird" field data, like 3 or 4 level split plot design. I've read both the help of the program, some books and manual about S and "Venables/Ripley, Modern Applied Statistics with S", but i still have problems in (i suppose) formulae sintax. I'm trying to perform AOV, as explained showed in

As an agronomist, sometimes i need to perform statistical analisys on "weird" field data, like 3 or 4 level split plot design. I've read both the help of the program, some books and manual about S and "Venables/Ripley, Modern Applied Statistics with S", but i still have problems in (i suppose) formulae sintax. I'm trying to perform AOV, as explained in "Random

Hi, we have a split-plot experiment in which we measured the yield of crop fields. The factors we studied were: B : 3 blocks I : 2 main plots for presence of Irrigation V : 2 plots for Varieties N : 3 levels of Nitrogen Each block contains two plots (irrigated or not) . Each plot is divided into two secondary parcels for the two varieties. Each of these parcels is divided into three subplots

---------- Forwarded message ---------- From: alis villiyam <aalisiyan at gmail.com> Date: Mon, Jul 27, 2009 at 9:47 AM Subject: randomized block design analysis in R To: bolker at zoology.ufl.edu Dear All user Hello, I'm a student and I have some trouble with the experimental (columns-experiments) design of my project. I use a randomized block design with 4 treatments including a

r-help at stat.math.ethz.ch on Wednesday, October 26, 2005 at 6:00 AM -0500 wrote: Ronaldo, Try Harold's suggestion. The df still won't agree, because lmer (at least in its current version) just puts an upper bound on the df. But that should be OK, because all those t tests are approximations anyways, and you can get better confidence intervals (credible intervals, whatever) by using the

Hi, I was trying to figure out how to do post-hoc tests for Two Way ANOVAs and found the following 2 approaches: a. Do pairwise t-tests (bonferroni corrected) if one finds significance with the ANOVA. Link- http://rtutorialseries.blogspot.com/2011/01/r-tutorial-series-two-way-anova-with.html b. Do TukeyHSD on an aov model Link-

Hi R users, I am trying to use the optim function to maximize a likelihood funciton, and I got the following warning messages. Could anyone explain to me what messege 31 means exactly? Is it a cause for concern? Since the value of convergence turns out to be zero, it means that the converging is successful, right? So can I assume that the parameter estimates generated thereafter are reliable MLE

I have such problem: When i start Warcraft 3 (or WOW) in opengl mode (or DirectX, no matter) i got theese lines in console: > ibGL error: drmMap of framebuffer failed (Cannot allocate memory) > libGL error: reverting to (slow) indirect rendering Game works fine but low perfomance. I really can't find solution in the internet. My system: Ati X1600 Mobility Radeon - ATI 8.3

So I've spent the last few days getting Xorg pulled from freedesktop git and built. Everything seems to have worked, and I now have Xorg version 7.1.99.2 running, composite enabled, and AIGLX enabled. The Xorg log file shows: (WW) AIGLX: 3D driver claims to not support visual 0x23 (WW) AIGLX: 3D driver claims to not support visual 0x24 (WW) AIGLX: 3D driver claims to not support visual 0x25

On 03/01/18 15:45, Danny Smit wrote: > Hi everyone, > > On CentOS 7 I'm running into an issue with the latest nvidia driver > from elrepo: kmod-nvidia-384.98-1.el7_4.elrepo.x86_64 > This driver version seem to introduce issue in detecting video modes > when a monitor is connected using DVI. As soon as the machine attempts > to start X, nothing happens and the monitor goes

I'm not reporting a bug (I know it's not the right place to do that anyway), but a little help would be appreciated. Once again I run into the famous "compiz: GLX_EXT_texture_from_pixmap is missing" error. The problem is I can't figure out what's wrong. I use fedora core 6 on an athlon XP with an ati RV250 and the radeon open-source drivers running compiz reports: $

Hi everyone, On CentOS 7 I'm running into an issue with the latest nvidia driver from elrepo: kmod-nvidia-384.98-1.el7_4.elrepo.x86_64 This driver version seem to introduce issue in detecting video modes when a monitor is connected using DVI. As soon as the machine attempts to start X, nothing happens and the monitor goes into sleep mode reporting that it has 'no signal'. It is

Hi, I've noticed that LLVM tends to generate suboptimal code and spill an excessive amount of registers in large functions, such as in those that are automatically generated by FFTW. LLVM generates good code for a function that computes an 8-point complex FFT, but from 16-point upwards, icc or gcc generates much better code. Here is an example of a sequence of instructions from a 32-point

I am having troubles having compiz fusion to work with my GMA 950. I have posted this problem on this forum, and it seems other have been affected of this recently: http://bbs.archlinux.org/viewtopic.php?id=36875 Information: here is my xorg.conf: http://one.fsphost.com/jinn/configs/xorg.conf [15:52 root ~]# uname -a Linux estergon 2.6.22-ARCH #1 SMP PREEMPT Thu Aug 23 20:18:37 CEST 2007 i686

I have a work around for this, but can someone explain why the first example does not work properly? I believed it worked in the previous version of R, by selecting just the rows=200525 and omitting the na's. I just upgraded to 2.13. I am also concern with the row numbers being different in the selections, should I be worried? FYI, I just selected the first few rows for demonstration, please