Displaying 7 results from an estimated 7 matches for "trtb".
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trt
2008 Mar 04
2
Asking, are simple effects different from 0
Hello, R-i-zens. I'm working on an data set with a factorial ANOVA
that has a significant interaction. I'm interested in seeing whether
the simple effects are different from 0, and I'm pondering how to do
this. So, I have
my.anova<-lm(response ~ trtA*trtB)
The output for which gives me a number of coefficients and whether
they are different from 0. However, I want the simple effects only,
incorporating their intercepts, with their error estimates. Can I
somehow manipulate this object to get that? Or, would a good shortcut
be
my.simple.a...
2013 Jan 27
1
decimal places in R2HTML
Dear R People:
I have an AOV model that I get confidence intervals from via
> confint(chick1.aov1)
2.5 % 97.5 %
trtA 1.472085 1.607915
trtB 1.512085 1.647915
trtC 1.328751 1.464582
>
I am using R2HTML to produce HTML output. However, the HTML code
itself just has rounded values, i.e., 1.5 and 1.6.
Has anyone run across this, please?
Any suggestions would be much appreciated.
Sincerely,
Erin
--
Erin Hodgess
Associate Professor...
2007 Oct 22
2
Repeated Measures/Linear Mixed Effects function
...mary, value is the first column, but what value is this. I
have searched in vain and cannot find the answer. Any help or links to
examples would be appreciated greatly.
Fixed effects: Xc ~ trt
Value Std.Error DF t-value p-value
(Intercept) 103.62 2.619657 20 39.55480 0
trtB -33.28 1.991197 20 -16.71356 0
trtC -39.38 1.991197 20 -19.77705 0
trtD -32.60 1.991197 20 -16.37206 0
trtE -47.32 1.991197 20 -23.76460 0
trtF -39.58 1.991197 20 -19.87749 0
Xc
Trt
fish
109.1
a
1
73
b
1
68.4...
2008 Mar 19
3
How to get the P-values from GLM results?
Hello all,
I have a question concerning how to get the P-value for a explanatory
variables based on GLM.
I'll run multiple regressions with GLM, and I'll need the P-value for the
same explanatory variable from these multiple GLM results.
I check the help and there are quite a few Value options but I just can
not find anyone about the p-value.
Could anyone help me with that?
2008 Apr 15
2
glht with a glm using a Gamma distribution
Quick question about the usage of glht. I'm working with a data set
from an experiment where the response is bounded at 0 whose variance
increases with the mean, and is continuous. A Gamma error
distribution with a log link seemed like the logical choice, and so
I've modeled it as such.
However, when I use glht to look for differences between groups, I get
significant
1999 Nov 30
3
model.tables
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2011 Apr 21
1
Accounting for overdispersion in a mixed-effect model with a proportion response variable and categorical explanatory variables.
...2 < 2e-16 ***
treatmentB 0.16590 0.06356 2.610 0.00904 **
treatmentC 0.01642 0.06784 0.242 0.80878
treatmentD 0.26677 0.06710 3.976 7.01e-05 ***
---
Signif. codes: 0 ?***? 0.001 ?**? 0.01 ?*? 0.05 ?.? 0.1 ? ? 1
Correlation of Fixed Effects:
(Intr) tBPBS_ tCPBS_
trtB -0.711
trtC -0.666 0.474
trtD -0.674 0.479 0.449
>
I then compared the 2 models.
> anova(model,model2,test="F")
Data:
Models:
model: y ~ treatment + (1 | treatment/mouse)
model2: y ~ treatment + (1 | treatment/mouse) + (1 | obs)
Df AIC BIC logLik Chisq Chi Df P...