Displaying 3 results from an estimated 3 matches for "tstatistic".
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statistic
2010 May 24
2
adding one line to a plot
Hello!
I am running a very simple mini Monte-Carlo below using the function
tstatistic (right below this sentence):
tstatistic = function(x,y){
m=length(x)
n=length(y)
sp=sqrt( ((m-1)*sd(x)^2 + (n-1)*sd(y)^2)/(m+n-2) )
t=(mean(x)-mean(y))/(sp*sqrt(1/m+1/n))
return(t)
}
alpha=.1; m=10; n=10 # sets alpha, m, n - for run 1
N=10000 # sets the number of simulations
n.reject=0 # cou...
2012 Jul 11
2
replacing NaN for every attribute in my data
Hi,
I have a list called ds which has the following attributes:
attributes(ds)
$names
[1] "adj.r.squared" "fstatistic" "intercept" "slope"
[5] "std.error" "tstatistic"
I want to replace all the NaN is ds with 0, and after searching past posts I
found I can hardcode it like this:
ds$adj.r.squared=replace(ds$adj.r.squared,is.nan(ds$adj.r.squared),0)
ds$fstatistic=replace(ds$fstatistic,is.nan(ds$fstatistic),0)
...
ds$tstatistic=replace(ds$tstatistic,is.nan...
2009 Aug 28
1
Help with glmer {lme4) function: how to return F or t statistics instead of z statistics.
Hi,
I'm new to R and GLMMs, and I've been unable to find the answers to my
questions by trawling through the R help archives. I'm hoping someone
here can help me.
I'm running an analysis on Seedling survival (count data=Poisson
distribution) on restoration sites, and my main interest is in
determining whether the Nutrients (N) and water absorbing polymer Gel
(G) additions to the