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[Feature Request]: Box's test of equality of covariance matrices #3029

Open RachelKing42 opened 21 hours ago

RachelKing42 commented 21 hours ago

Description

Box's test of equality of covariance matrices

Purpose

To check homogeneity of covariance matrices in Mixed factorial ANOVA designs

Use-case

No response

Is your feature request related to a problem?

No response

Is your feature request related to a JASP module?

ANOVA

Describe the solution you would like

An option to run Box's test to be available in assumption checks section of repeated measures ANOVA

Describe alternatives that you have considered

No response

Additional context

Would it be please possible to have access to Box's test of equality of covariance matrices in the repeated measures ANOVA GUI?

TarandeepKang commented 16 hours ago

This would a great fit here and also for other ANOVA models esp MANOVA ie: Friendly, M., & Sigal, M. (2018). Visualizing Tests for Equality of Covariance Matrices. The American Statistician, 74(2), 144–155. https://doi.org/10.1080/00031305.2018.1497537

related long lists in #490 & #2878