betadisper in R via QIIME2 results

[jwdebelius (Justine Debelius)]

Hi @Bing and @Mehrbod_Estaki,

The test is the same, but the visualizations are not. This older thread might be helpful as a point of discussion.

Best,
Justine

adonis, betadiver, and betadisp

Just want to chime in to answer some specific questions tossed my way: The ordination yes, the centroids no. It is very low. A small % of variation is explained by the first 2 PCs! Not necessarily a problem, just that season effects (while the effects evident in that plot) are not earth-shatteringly impactful. Makes sense — while you get species turnover by season, many of the same species will be present across proximal seasons. Yes. Both permdisp and betadisper accept a single “grouping”…