Replaced README contents with a link to github.com/friendly/ggbiplot
NEWS: Active development of ggbiplot has moved to github.com/friendly/ggbiplot.
用于主成分分析结果可视化的R语言包,可生成包含样本点、变量向量和置信椭圆的biplot图。
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NEWS: Active development of ggbiplot has moved to github.com/friendly/ggbiplot.