为什么盒子图有这么大的不同?
boxplot(loan.part.value ~ platform, p2p)

ggplot(p2p, aes(loan.part.value, platform)) + geom_boxplot()

(我修改了记号标签。)
> sessionInfo()
R version 3.0.1 (2013-05-16)
Platform: x86_64-apple-darwin10.8.0 (64-bit)
locale:
[1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] ggplot2_0.9.3.1发布于 2013-06-13 22:05:43
因为在你的一块地块里顺序被调换了。在boxplot中,公式是y ~ x,其中ggplot2的第一个位置参数为x。
https://stackoverflow.com/questions/17088923
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