Displaying 20 results from an estimated 200 matches similar to: "Create grouping from TukeyHSD (as a duncan test does)?"
2007 Oct 03
2
Change title size in plot(model)?
I want to use the plot(model) function to generate Tukey-anscomb and Q-Q plots of a lm(). I manage to change all labels but the main one which apparently is neither main or sub. So far I have tried as par setting: cex (changes symbol size within the plot), cex.main (no effect), cex.sub (no effect) cex.lab (changes label size), cex.axis (changes axis label size). What I would like to change is the
2004 Jun 18
2
Barplots and error indicators: Some R-Code
I' ve seen that several people are looking for a function that creates a
barplot with an error indicators (I was one of them myself). Maybe you will
find the following code helpful (There are some examples how to use it at
the end):
# Creates a barplot.
#bar.plot() needs a datavector for the height of bars and a error
#indicator for the interval
#many of the usual R parameters can be set:
2007 Aug 22
4
within-subject factors in lme
I don't think, this has been answered:
> I'm trying to run a 3-way within-subject anova in lme with 3
> fixed factors (Trust, Sex, and Freq), but get stuck with handling
> the random effects. As I want to include all the possible random
> effects in the model, it would be something more or less
> equivalent to using aov
>
> > fit.aov <- aov(Beta ~
>
2007 Mar 08
2
Using logarithmic y-axis (density) in a histogram
Hi,
I am searching for a possibility to display a logarithimic y-axis in a histogram. With plot that's easy (e.g.
plot(1:10, log="y")
but for histograms this does not work the same way: I tried
hist(rnorm(1000), freq=FALSE, seq(-4, 4, .5), ylim=c(0.001, 0.5), log="y")
Which gives the expected histogram but also warnings for my log="y" command
2008 Jan 29
1
Guidance for reporting results from lme test?
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2007 Aug 07
2
GLMM: MEEM error due to dichotomous variables
I am trying to run a GLMM on some binomial data. My fixed factors include 2
dichotomous variables, day, and distance. When I run the model:
modelA<-glmmPQL(Leaving~Trial*Day*Dist,random=~1|Indiv,family="binomial")
I get the error:
iteration 1
Error in MEEM(object, conLin, control$niterEM) :
Singularity in backsolve at level 0, block 1
>From looking at previous help
2007 Jan 16
1
nested hierarchical design
Dear R-Helpers,
I would like to know what syntax I need to use to do a nested anova for
1. a continuous variable and 2. count data (x out of y)
1. The first I used to do in SPSS and I would like to be able to do it
in R as well.
This is the hierarchical model I would like to use: a continuous
variable explained by factor A(fixed) + factor B(random) nested in A +
factor C (random) nested in
2006 Oct 05
1
lmer BIC changes between output and anova
list,
i am using lmer to fit multilevel models and trying to use anova to compare the models. however, whenever i run the anova, the AIC, BIC and loglik are different from the original model output- as below. can someone help me out with why this is happening? (i'm hoping the output assocaited with the anova is right!).
thank you,
darren
> unconditional<-lmer(log50 ~ 1 + (1 |
2008 Jan 29
1
Random and fixed effect model with a covariate
Dear All,
I wonder if anyone can please offer any advice on a model including 2 fixed effects and 1 random effect, as well as a covariate?
The experimental design is as follows:
I have a two by two factor design, where the two factors, Age (A) and Group size (G), both have 2 levels (old or young, and 1 or 3 respectively), and I am interested in the effect of these factors upon a continuous
2007 Mar 13
0
Duncan post-hoc tests in R?
Hello,
I am looking for an R function that impliments Duncan's post-hoc test. I am
aware of multcomp and its function "glht" but, unless I am missing
something, this cannot impliment the Duncan test.
Any help of pointers are welcome.
Bill Shipley
2011 Aug 23
0
duncan test (kruskal post-hoc)
Hi,
i?ve read all that i could about the post-hoc test for kruskall-Wallis, now
i know that i need to run Duncan test, but i?m not able to find in any
package or script. I s anybody knows where can i find it?
Thanks
-----
Mario Garrido Escudero
PhD student
Dpto. de Biolog?a Animal, Ecolog?a, Parasitolog?a, Edafolog?a y Qca. Agr?cola
Universidad de Salamanca
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2004 Feb 09
1
Duncan's Multiple Range test
I am searching for Duncan's Multiple Range test in R. Is it implemented in one of the packages the meantime?
[[alternative HTML version deleted]]
2004 Feb 16
0
Duncan's rooted system
Duncan writes:
>Howyd all? Seems that I have been routed. Possibly
>by a physical B&E, but who knows? Probably some
>of you do.... anyways, some politically sensitive
>email was deleted from a user account and the
>line
>
>low -tr &
>
>inserted into my .xinitrc .
>
>Duncan (Dhu) Campbell
>
I didn't see a lot of feedback that struck me as
2010 Sep 07
0
TukeyHSD responses in R
Hi All,
Does anyone know how to get contrast statements or an output similar to
TukeyHSD when doing survival analysis with the coxph function?
Thanks,
Adriana
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2007 Jul 10
0
TukeyHSD test
Hello,
I think that to apply the Neuman-Keuls test under R it's possible with the TukeyHSD function and I know that to do a Neuman-Keuls test I have to sort the means but I can't use the TukeyHSD function I don't understand how to do to apply this function to my data.
In the R help they use the TukeyHSD function to a aov() do you think that I have to do teh same?
thanks.
2004 May 14
0
Work around for TukeyHSD names
R Version 2.0.0 Under development (unstable) (2004-05-07)
I have been wanting to use TukeyHSD for two and three way aov's, as
they are especially simple for students to use correctly. I realize
model simplification is usually a preferred methodology, but my
disciplinary enertia and simplicity of TukeyHSD is also compelling.
However, the lack of names on the comparisons for the higher order
2003 May 07
0
simint or TukeyHSD for lme?
simint and TukeyHSD work for aov objects.
Can someone point me to similar functions for lme objects?
Dieter Menne
2006 Nov 24
1
Code of plot.TukeyHSD
Dear list
I need to see the code of plot.TukeyHSD. There is no .default for it.
Please help.
Lize
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2007 May 09
0
Ic TukeyHSD
Hi,
What is expression IC on TukeyHSD?
contrast +/- qtukey(.95, nmeans, df) * sqrt(MSe/n) ?
Thanks,
Bruno
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2012 Apr 26
0
Some graphical parameters don't works in plot.table and plot.TukeyHSD.
Hello all,
I would like to relate this behaviour of: plot.table & plot.TukeyHSD.
They don't work with some graphical parameters.
Thanks for your attetion.
Cleber
> ### example:
> plot( table(1:10), cex.axis=0.6)
> plot( table(1:10), las=2)
>
> tukaov <- TukeyHSD( aov(breaks ~ wool + tension, data = warpbreaks) )
>
> plot( tukaov, main='xxx' )
Error