pairt

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.

Statistical power analysis for designs including t-tests, correlations,
multiple regression, ANOVA, mediation, and logistic regression. Functions accompany
Aberson (2019) <doi:10.4324/9781315171500>.

Chris Aberson

pwr2ppl

Power Analyses for Common Designs (Power to the People)

pairt function

<dl><dt>m1</dt>
<dd>Mean for Pre Test</dd>
<dt>m2</dt>
<dd>Mean for Post Test</dd>
<dt>s</dt>
<dd>Standard deviation</dd>
<dt>n</dt>
<dd>Sample size</dd>
<dt>r</dt>
<dd>Correlation pre-post measures (default is .50)</dd>
<dt>alpha</dt>
<dd>Type I error (default is .05)</dd></dl>

Arguments

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. — pairt

<dl>

<dt>m1</dt>
<dd>Mean for Pre Test</dd>


<dt>m2</dt>
<dd>Mean for Post Test</dd>


<dt>s</dt>
<dd>Standard deviation</dd>


<dt>n</dt>
<dd>Sample size</dd>


<dt>r</dt>
<dd>Correlation pre-post measures (default is .50)</dd>


<dt>alpha</dt>
<dd>Type I error (default is .05)</dd>

</dl>

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.

pairt: 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.

Description

Usage

Value

Arguments

Examples