[R] PCA bibplot

Rich Shepard rshepard at appl-ecosys.com
Sun Jan 18 15:43:45 CET 2015

On Sun, 18 Jan 2015, Jackson Rodrigues wrote:

> I have a matrix with 72 plant species, however most of them are irrelevant
> or not very important. When they are displayed together my plot is
> cluttered.So I want to constrain my biplot showing only species A B C D.
> How can I write the right code?


   Have you tried subsetting the 72-plant data frame to create one with only
plants A, B, C, and D? Perhaps not sophisticated or elegant, but it will


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