SOA SRMStatistics for Risk Modeling
Associateship (ASA)
3.5 hours·35 multiple-choice·≈250 study hoursScore 0/0 · 8 MC
- SRM · Q1Multiple choiceDecision trees
Compared with a single deep decision tree, a random forest typically has:
- SRM · Q2Written answerDecision trees
Compare the Gini index and entropy as splitting criteria for classification trees, and explain why classification error rate is rarely used for growing (as opposed to pruning) a tree.