All Questions
3 questions
0
votes
1
answer
216
views
Prediction of Pure Premium with offset
I'm modeling a pure premium with glm and using an offset term equal to log(exposure).
My question is, in R, what does ...
- 1
0
votes
0
answers
2k
views
What's the reason for getting NaN values when predicting Tweedie GLM response?
Question is in the title.
Not asking an R question, but the NaN result was in R. I just wonder why this happens for Tweedie GLMs. Example code in R, where ...
- 379
25
votes
3
answers
9k
views
Can a model for non-negative data with clumping at zeros (Tweedie GLM, zero-inflated GLM, etc.) predict exact zeros?
A Tweedie distribution can model skewed data with a point mass at zero when the parameter $p$ (exponent in the mean-variance relationship) is between 1 and 2.
Similarly a zero-inflated (whether ...
- 1,781