Hello DRUGs,
I'm new to R and would appreciate some expert advice on prepping files for,
and running, PCA...
My data set consists of aquatic invertebrate and zooplankton count data and
physicochemical measurements from an ecotoxicology study. Four chemical
treatments were applied to mesocosm tanks
a$rotation,
.names = row.names(meso.pca$rotation))
p + geom_text(data=loadings,
mapping=aes(x = PC1, y = PC2, label = .names, colour =
.names)) +
coord_fixed(ratio=1) +
labs(x = "PC1", y = "PC2")
On Tue, Sep 20, 2016 at 10:28 PM, Sarah Sti
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