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A non-negative continuous probability distribution indexed by two strictly positive parameters.

3 votes

Construct the likelihood if measurement uncertainties have a Gamma distribution

If we use the probability density function (pdf) of the Gamma distribution given in here then the pdf of uncertainties or ($b$) is $$f(b;k,\theta)=\dfrac{b^{k-1}e^{-\frac{b}{\theta}}}{\theta^k\Gamma( …
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11 votes

How to validate & diagnose a gamma GLM in R?

-Look at Chapter 6 or Section 6.3.4 in the book "Statistical Models in S" by Chambers and Hastie. Also you many want to check the package boot and function "glm.diag.plots" (Diagnostics plots for gen …
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