Interpret neural network results.
Free CAS MAS-II (Modern Actuarial Statistics II) lesson in Statistical Learning. 15 min read, ~2,252 words.
A neural network stacks affine transforms inside nonlinear activations:. Interpret the output layer, not hidden weights. Output activation sets task type: linear = regression, sigmoid = binary probability, softmax = multiclass probability summing to 1, ReLU = nonnegative regression (e.g., claim count). Hidden weights have no marginal meaning; use permutation...
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What this lesson covers
- Content
- Example 1
- Example 2
- Common Mistakes
- Check Your Understanding
- Exam Shortcuts
Learning objectives
- C9
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