On Aug 28, 2010, at 10:58 PM, Randklev, Charles wrote:
Hi,
I am trying to assemble a three-way contingency table examining the
presence/absence of mussels, water depth (Depth1 and Depth 2) and
water velocity (Flow vs. No Flow). I have written the following code
listed below; however, whe
I didn't see any error when I ran your code in my computer:
> numbers <- c(1134,956,328,529,435,599,27,99)
> dim(numbers) <- c(2,2,2)
> numbers
, , 1
[,1] [,2]
[1,] 1134 328
[2,] 956 529
, , 2
[,1] [,2]
[1,] 435 27
[2,] 599 99
> dimnames(numbers)[[3]] <-list("Mussels", "
Hi,
Your example works fine for me. My guess is that you have one of wd,
wv, MP, or Count defined as a global variable. This is the main reason
the use of attach() is discouraged by many people on this list. The
safer thing to do is
model1 <- glm(Count~MP+wd+wv,poisson. data = frame)
-Ista
On Sat
Hi,
I am trying to assemble a three-way contingency table examining the
presence/absence of mussels, water depth (Depth1 and Depth 2) and water
velocity (Flow vs. No Flow). I have written the following code listed below;
however, when run the glm I get the following message, "Error in
model.fr
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