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LPower: Calculates Power, Sample Size, or Detectable Effect for Longitudinal Analyses
Computes power, or sample size or the detectable difference for a repeated measures model with attrition. It requires the variance covariance matrix of the observations but can compute this matrix for several common random effects models. See Diggle, P, Liang, KY and Zeger, SL (1994, ISBN:9780198522843).
Getting started
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Package details |
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| Author | David A. Schoenfeld |
| Maintainer | David A. Schoenfeld <Dschoenfeld@mgh.harvard.edu> |
| License | Unlimited |
| Version | 0.1.1 |
| Package repository | View on CRAN |
| Installation |
Install the latest version of this package by entering the following in R:
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