PowerLMM.js

v0.3.0

Power Analysis for Longitudinal Data

Calculate statistical power for linear mixed-effects models with dropout. Supports null hypothesis, non-inferiority, and equivalence tests.

Power Curve

Power for varying sample sizes. The dashed line represents power without any dropout. You can adjust the maximum value and step size using the settings button.

Explore the Model

Use the tabs below to explore model implied parameters and assumptions.

Proportion Remaining

This plot shows the proportion of participants remaining at each time point. The dropout process is monotonic, with no intermittent missing data.

Analysis & Export

View detailed analysis summary, share your configuration, or export for later use.

Analysis Summary

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