Description Usage Arguments Value Examples

Compute power for a Paired t-test Takes means, sd, and sample sizes. Alpha is .05 by default, alternative values may be entered by user. correlation (r) defaults to .50.

1 2 |

`m1` |
Mean for Pre Test |

`m2` |
Mean for Post Test |

`s` |
Standard deviation |

`n` |
Sample size |

`r` |
Correlation pre-post measures (default is .50) |

`alpha` |
Type I error (default is .05) |

Power for the Paired t-test

1 | ```
pairt(m1=25,m2=20, s = 5, n = 25, r = .5)
``` |

pwr2ppl documentation built on June 12, 2019, 5:03 p.m.

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