I am happy to report that, in a world of packages, a package that has been built to educate the user is finally here! The GUide to STatistical Analysis in Microbial Ecology (GUSTA ME) is an online venue developed by German researchers to explore different types of data analysis techniques and decide which method is appropriate for your problem at hand. On top of that, they provide code to help you perform PCA, CCA, NMDS, ANOSIM, etc. on your data and an open forum for discussion. Check it out!