Displaying 3 results from an estimated 3 matches for "riddicul".
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ridicule
2006 Oct 25
1
cloud() works but wireframe() is blank
Per the message from Alexander Nervedi, 29 April 2006:
> I have to be making a riddiculously silly ommission.
> when I run the fillowing i get the cloud plot ok. But I cant figure
> out what I am missing out when I call wireframe.
> Any help would be appreciated.
> x<-runif(100)
> y<-rnorm(100)
> z<-runif(100)
> temp <-data.frame(x,y,z)
> wirefra...
2011 Mar 14
0
Non-constancy of variances in mixed model.
...shes for each lineage (or replicate), and there are 5 lineages
for each group/treatment, I want to use lme() so I can add lineage,
dish, and disk as random effects, and have group as the fixed effect, so
I'm analysing differences between two groups, a bit like a t.test or
anova, but without riddiculous degrees of freedom. I've done qqPlots()
and normality tests on my data, according to shapiro.test() on both my
subsets (I split the data into the two groups):
> shapiro.test(DiamEVDettol)
Shapiro-Wilk normality test
data: DiamEVDettol
W = 0.9823, p-value = 0.0221...
2006 Apr 28
3
aggregating columns in a data frame in different ways
I would like to use aggregate() to combine statistics
for several days in a data frame. My data frame looks
similar to this:
date type count value
1 2006-04-01 A 10 99.6
2 2006-04-01 B 4 33.2
3 2006-04-02 A 22 43.2
4 2006-04-02 B 8 44.9
5 2006-04-03 A 12 12.4
6 2006-04-03 B 14 18.5
('date' is a factor, and my