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giscus-bot giscus-bot 2022-12-16 22:26:54
Guest *Zaqfs* @ 2013-03-08 14:01:26 originally posted:

thx

giscus-bot giscus-bot 2022-12-16 22:26:55
访客 *Eva green* @ 2014-04-26 03:30:20 写道:

您好,非常感谢您的帮助。但是我在使用polygon绘制图形时如何改变颜色的透明度呢,使用了col=("green",alpha=0.5)但是好像不管用的样子,您知道怎么回事么

yihui yihui 2022-12-16 22:26:55

See ?rgb for how to generate semi-transparent colors and ?boxplot for how to use colors for boxes. Or use ggplot2 and specify the alpha argument.

Originally posted on 2012-06-16 04:03:41

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