What is Level Hierarchical Design?

Hierarchical models are an example of regression models used in the analysis of Cluster randomized trials (CRTs). CRTs can be more efficient and cost-effective than individually randomized trials, leading to smaller sample sizes and reduced variance in outcomes.

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24.58s - Linear Regression | 30:10s - Logistic Regression | 31:26s - Cox Regression | 41:54s - 2 level-hierarchical-design |
55.18s Clinical Prediction Model