Displaying 20 results from an estimated 2000 matches similar to: "Tukey HSD"
2012 Sep 28
1
Anova and tukey-grouping
Hello,
I am really new to R and it's still a challenge to me.
Currently I'm working on my Master's Thesis. My supervisor works with SAS
and is not familiar with R at all.
I want to run an Anova, a tukey-test and as a result I want to have the
tukey-grouping ( something like A - AB - B)
I came across the HSD.test in the agricolae-package, but... unfortunately I
do not get an output
2011 Jul 13
1
Tukey HSD with repeated measure ANOVA
Hi,
I need to determinate HSD value from a matrix like that
Thesis Days A1
Cx 0 66.07
Cx 0 60.24
Cx 0 42.86
Tw 0 66.07
Tw 0 60.24
Tw 0 42.86
Aa 0 66.07
Aa 0 60.24
Aa 0 42.86
Qe 0 66.07
Qe 0 60.24
Qe 0 42.86
Cx 56 310.86
Cx 56 223.17
Cx 56 186.77
Tw 56 149.42
Tw 56 127.75
Tw 56 138.59
Aa 56 130.24
Aa 56 214.83
Aa 56 137.95
Qe 56 186.64
Qe 56 189.09
Qe 56 187.87
this is my script
2010 Dec 12
1
Tukey HSD not working
Drug US1 US2 Aptecha
Celebrex 235.54 269.99 121.02
Detrol LA 157.99 190.99 55.3
Flomax 166.00 190.99 93.45
Lipitor 174.99 200.99 137.7
Novaldex 108.6 129.99 22.48
Norvasc 186.66 203.99 161.93
Plavix 107.99 106.99 64.53
Prevacid 117.39 134.99 59.83
Prilosec 115.99 126.99 57.75
Zyrtec 181.1 200.99 58.79
US1=c(235.54,157.99,166,174.99,108.60,186.66,107.99,117.39,115.99,181.10)
2010 Oct 05
1
Tukey HSD Test als Post Hoc Test nach einem GLM inkl. Anova
Hallo,
zur Analyse von Daten zum Artenreichtum von Pflanzen, habe ich ein Glm (glm)
und anschlie?end eine Anova (anova) durchgef??hrt. Nun m??chte ich f??r die
signifikanten Einflussfaktoren einen Post Hoc Tukey Test durchf??hren, um zu
ermitteln in wie weit die einzelnen Faktorstufen sich signifikant
voneinander unterscheiden.
Mit dem Befehl (TukeyHSD) komme ich nicht
2013 Jan 14
1
Tukey HSD plot with lines indicating (non-)significance
Dear list members,
I'm running some tests looking at differences between means for various
levels of a factor, using Tukey's HSD method.
I would like to plot the data as boxplots or dotplots, with horizontal
significance lines indicating which groups are statistically
significantly different, according to Tukey HSD. Here's a nice image
showing an example of such a graphical
2008 May 28
2
Tukey HSD (or other post hoc tests) following repeated measures ANOVA
Hi everyone,
I am fairly new to R, and I am aware that others have had this
problem before, but I have failed to solve the problem from previous
replies I found in the archives.
As this is such a standard procedure in psychological science, there
must be an elegant solution to this...I think.
I would much appreciate a solution that even I could understand... ;-)
Now, I want to calculate a
2010 Jun 03
1
Tukey HSD
Hello,
I am a little out of date and am still using S-Plus instead of R. I haven't been able to find the right place to ask this question, so I thought I would ask it here and hope that someone can help. I am unable to located the TukeyHSD() function in S-Plus. I have been able to use the GUI to run Tukey's test, but the results don't provide a p-value. Does anyone know how I can
2016 Jun 06
2
readlines() truncates text file with Codepage 437 encoding
Hello r-devel,
The attached Code page 437-encoded file contains 245 characters
(including the final newline), but readLines only reads 242 of them:
> test_text <- readLines(file('437__characters.txt', encoding='437'))
Warning message:
In readLines(file("437__characters.txt", :
incomplete final line found on '437__characters.txt'
> test_text
[1]
2005 Mar 14
2
Question about Tukey HSD (stat package)
Dear all,
I would be glad if someone could tell me if Tukey HSD (function of stats
library) accept the NA values and could correct the unbalanced design
(different number of sample in each group)
Thanks for help
Alice Le Bars
2017 Dec 31
0
clustering levels using Tukey HSD in a one way anova
Dear all,
I am doing a one way between subjects anova in an unbalanced data set.
Suppose we have "a" levels of the one factor. I want to merge the not so
significantly different levels into the same cluster.
Can I do a Tukey Kramer HSD and then use the following algorithm:
For i in 2 : "a"
For j in 1 : i-1
if mean of level i is not significantly different
2012 Apr 20
4
Problem with Tukey test
I'm new using R im trying to do a tukey test, but when i see the results the
p value results in NA im guessing its because i have missing values but im
not sure how to fix it
AnovaModel.2 <- aov(area ~ trat, data=apilados)
> summary(AnovaModel.2)
Df Sum Sq Mean Sq F value Pr(>F)
trat 4 11847 2961.76 9.9905 1.500e-06 ***
Residuals 76 22531 296.46
2003 Jan 30
1
Kruskal-Wallis, Friedman tests and Tukey HSD
Dear all
Is there any way of doing a Tukey HSD post-hoc test after a Kruskal-
Wallis or Friedman rank sum test (in the ctest package)?
Thanks in advance,
Albertus
Dr. Albertus J. Smit
Department of Botany
University of Cape Town
Private Bag Rondebosch
7700
South Africa
Tel. +27 21 689 3032
2007 Aug 09
1
Tukey HSD
Hi,
I was wondering if you could help me:
The following are the first few lines of my data set:
subject group condition depvar
s1 c ver 114.87
s1 c feet 114.87
s1 c body 114.87
s2 c ver 73.54
s2 c feet 64.32
s2 c body 61.39
s3 a ver 114.87
s3 a feet 97.21
s3 a body 103.31 etc.
I entered the following ANOVA command:
>dat <- read.table("mydata.txt", header=T)
2006 Nov 12
0
doubt on Tukey HSD
dear all
effect of a, b and c on d, total 48 comparisons, got
one anova result in model1=aov(d~A*B*C). can we get
all the result in one command? or can we interpret the
whole comparisons from this result? how it work in
Tukey HSD?
jose
____________________________________________________________________________________
Access over 1 million songs.
2008 Nov 18
1
Tukey HSD following lme
Hi everyone
I'm using Tukey HSD as post-hoc test following a lme analysis. I'm
measuring hemicelluloses in different species treated with three
different CO2 concentrations (l=low, m=medium, h=high). The whole
experiment is a split-plot design and the Tukey-function from the
package multcomp is suitable for lme-analysis with random factors.
The analysis works fine but I get a non
2007 Jul 16
3
LSD, HSD,...
Hi,
I'm designing a experiment in order to compare the growing of
several clones of a tree specie. It will be a complete randomized block
design. How can I decide what model of mean comparision to choose? LSD,
HSD,TukeyHSD, Duncan,...? Thanks in advance
2007 Jun 28
2
TukeyHSD
Hello everyone,
So I ran an anova with aov and then I want to run post-hoc comparisons but
keep receiving this message :
> no applicable method for "TukeyHSD"
Here is my code:
> d<-read.table("d.txt")
> d
> Obs subj Hand Gaze RT
> 1 1 s1 1 1 401.4
> 2 2 s2 1 1 363.3......
> summary(ano <-
2001 Nov 24
1
Support for PKCS cryptocards..
Hello all,
You may find this interesting:
http://jemmari.tky.hut.fi/sc/
Here in Finland, we have cryptocards which have a PKCS#15 interface. They
already have RSA keys stored in them, and can be used in various
applications. I'm sure they're getting more common elsewhere too.
Juha Yrj?l? et al have added support for these as a patch, and are
providing libraries (under LGPL though) to
2012 Jan 02
1
Is using glht with "Tukey" for lme post-hoc comparisons an appropriate substitute to TukeyHSD?
Hello,
I am trying to determine the most appropriate way to run post-hoc
comparisons on my lme model. I had originally planned to use Tukey
HSD method as I am interested in all possible comparisons between my
treatment levels. TukeyHSD, however, does not work with lme. The
only other code that I was able to find, and which also seems to be
widely used, is glht specified with Tukey: