One-way ANOVA and contrast analysis in R

[@angelicaoliveira5350]

Thank you for that video! If the ANOVA with correction is significant, how can I do planned contrasts? It appears that planned contrasts function only work for aov.

[@whiteshadow5881]

complicated example ,

[@AhmedSamir-tv8rj]

R is very useful
Can you start presenting videos about R and irt (item response theory)

[@TeraLetzring]

Sorry, but I don't know irt well enough to do a video on that.

[@prabhugovindasamy1041]

Can I get this data set for practice.