NEWS

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InteractionPoweR 0.2.2 (2024-07-09)

• Adds power analysis function for 3-way interactions - power_interaction_3way_r2().
• Adds convenience function for visualizing the correlation matrix from a 3-way interaction - cor.mat.3way().
• Adds convenience function for visualizing the simple slopes from a 3-way interaction - simple.slopes.3way().
• Adds power analysis function for 2-way interactions with covariates - generate.interaction.cov.input() and power_interaction_r2_covs().
• Minor bug fixes.
• Removes dependency on the {MASS} package.

InteractionPoweR 0.2.1 (2023-04-18)

• Fix bug in power_interaction_r2() which effected analyses with a high ‘r.x1.x2’ correlation.
• Fix warning in plot_interaction().
• Adds additional descriptive error messages.

InteractionPoweR 0.2.0 (2022-10-20)

• Removes options for specifying skew, which contained a bug.
• Also a speed-up for the simulations.

InteractionPoweR 0.1.1 (2022-08-24)

• First CRAN release.

InteractionPoweR 0.1.0.6

• Added power_interaction_r2() function for analytic power.

InteractionPoweR 0.1.0.5

• Adds options to simulate ordinal variables (e.g., a likert scale) in power_interaction() using the ‘k.x1’, ‘k.x2’, and ‘k.y’ options.
• Also a speed-up and minor bug-fixes.