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P153: element_rect(size = 2)这句似有问题 #2

@aoyh

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@aoyh

环境

  • win 7
  • R version 3.0.0
  • ‘ggplot2’ version 0.9.3.1

ggplot2 中文译本P153以下代码运行时,无法出现plot外框线的效果:
第二行: hgram + theme(plot.background = element_rect(size = 2))
第四行:hgram + theme(plot.background = element_rect())

除非在element_rect里多写一句colour = "black"
各位遇到同样的问题不?

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