Biplot for Principal Components (objects of class 'Pca')
Produces a biplot from an object (derived from)
an object of class (derived from)
length 2 vector specifying the components to plot. Only the default is a biplot in the strict sense.
The variables are scaled by
optional arguments to be passed to the internal graphical functions.
a plot is produced on the current graphics device.
signature(x = Pca): Plot a biplot, i.e. represent both the observations and variables of a matrix of multivariate data on the same plot. See also
Gabriel, K. R. (1971). The biplot graphical display of matrices with applications to principal component analysis. Biometrika, 58, 453–467.
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