Add compositional principal components to the sample table

add_copca() performs a principal components analysis and adds the first two principal components to the sample table under column names "pca_1" and "pca_2".

Usage

add_copca(ta)

Arguments

ta

A tidytacos object.

Value

A tidytacos object with the first two PCA dimensions added to the sample table.

Details

Note that this function uses only the 50 most prevalant taxa unless add_logratio() was executed with another value for 'max_taxa'.