Calculate approximate confidence intervals for the estimators in Topic 1(h), using asymptotic properties of the maximum likelihood estimators.
Free SOA Exam ALTAM (Advanced Long-Term Actuarial Mathematics) lesson in Survival Models for Contingent Cash Flows. 7 min read, ~1,081 words.
Asymptotic normality: for large samples. Observed information:; invert it for the variance estimate. Wald CI:;. Delta method:. Multi-parameter: covariance matrix is the inverse Hessian of at the MLE.
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- Example 1
- Example 2
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- 1i
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