Select and validate a GLM as appropriate for a business problem.
Free SOA Exam PA (Predictive Analytics) lesson in Generalized Linear Models. 15 min read, ~2,181 words.
Pick the family from the response type: binary is binomial, counts are Poisson, non-negative skewed amounts are Gamma. The log link makes coefficients multiplicative; exp(beta) is the factor by which a one-unit rise scales the expected response. The logit link makes exp(beta) an odds ratio, not a probability change. A...
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What this lesson covers
- Content
- Example 1
- Example 2
- Common Mistakes
- Check Your Understanding
- Exam Shortcuts
Learning objectives
- 4a
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