joey711/phyloseq — pull request #366 by joey711 (2014-07-01 00:07:44+00:00)
Title: 1.9.11 robust plot_ordination w/ support for wt avg coord

inspired by
https://github.com/joey711/phyloseq/pull/364

CHANGES IN VERSION 1.9.11
-------------------------

USER-VISIBLE CHANGES

- More robust `plot_ordination` behavior with clearer warning/error messages.

- Coordinates automatically checked/assigned to OTU or samples

- Attempt to calculate OTU or sample weighted-average coordinates via `vegan::wascores`, if-needed

- Species weighted-average via `vegan::wascores` supported now in phyloseq::scores.pcoa