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我正在尝试控制 ggplot 中轴上离散组的顺序,因此我正在设置因子变量的顺序。使用levels() 函数实际上似乎改变了数据框中的数据——而不是R 处理数据底层排序的方式(见下文)。难道我做错了什么?我应该使用哪个函数而不是levels()?谢谢!

head(pctCStack,4)

       BRK          Time         x
1      ICs December 2013 0.6717300
2 Managers December 2013 0.8024344
3      ICs     July 2014 2.0417851
4 Managers     July 2014 1.3047233

levels(pctCStack$BRK) <- c("0-2 Years", "2-4 Years", "4+ Years", "ICs", "Managers")

head(pctCStack,4)
        BRK          Time         x
1 0-2 Years December 2013 0.6717300
2 2-4 Years December 2013 0.8024344
3 0-2 Years     July 2014 2.0417851
4 2-4 Years     July 2014 1.3047233
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1 回答 1

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尝试pctCStack$BRK <- factor(pctCStack$BRK, levels = c("0-2 Years", "2-4 Years", "4+ Years", "ICs", "Managers"))

这是一个参考: http: //www.stat.berkeley.edu/~s133/factors.html

于 2014-08-06T18:56:37.793 回答