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fdp
2009 Jan 07
0
Residual deviance (cross-post from sci.stat.consult)
...hat is going on with the model.
First of all, I've prepared a histogram. Then, I've tried to fit a Poisson model to express the relation between the middle points of
classes (mids) and the corresponding frequencies (density). I've got the following Poisson models using R:
> summary(fmDP)
Deviance Residuals:
Min 1Q Median 3Q Max
-1.20831 -0.56363 -0.28010 0.08324 3.19099
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) 1.2495 0.1528 8.18 2.84e-16 ***
hD$mids -3.3683 0.4420 -7.62 2.53e-14 ***
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Si...