Biplots based on generelized matrix decomposition.
An object of class "gmd" that is the output from
Optional arguments (see Details).
The optional arguments that can be passed in the biplot are
index a numeric vector specifying which variables(arrows) to display. The default is to plot the three longest arrows.
names a string vector specifying the names of the arrows. The default name of the i-th variable is Vi.
sample.col The color of the sample dots. The default is grey.
sample.pch Either an integer specifying a symbol or a single character to be used in plotting sample points. The default is 19.
arrow.col The color of the arrows. The default is orange.
arrow.cex A numeric value giving the size of the labels of the arrows. The default is 1.
Parker Knight and Yue Wang firstname.lastname@example.org
Yue Wang, Timothy Randolph, Ali Shojaie and Jing Ma (2019). The GMD-biplot and its application to microbiome data.
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