include additional arguments to manage colours, linetype and alpha of arrows #24
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Fixed a bug in the ellipse drawing. The ellipse represents a contour of a bivariate Normal distribution with the same covariance matrix as the sample covariance matrix of the plotted principal components. When the number of observations is <= 2, the ellipse will not display because the sample covariance matrix will be degenerate. There was a bug in the conditional to check the number of observations that caused the off-diagonals to be ignored. This has been fixed.
Just guessing that this is what you meant ;)
Yes thanks!
original version yields a warning from devtools(): ``` Warning message: Username parameter is deprecated. Please use vqv/ggbiplot ```
update install instructions
Use an Rmd README to automatically generate an example plot
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sry for the unnecessary corrections, did originally not plan to share this.