我正在按照以下方式绘制数据框的直方图,但我希望颜色为蓝色/其他颜色。但是当我使用
color = "blue"
时,它不会改变颜色,并在侧面添加了额外的分组。> str(neg.all.frame)
'data.frame': 455634 obs. of 2 variables:
$ probability: num 0.645 0.536 0.365 0.523 0.587 ...
$ group : chr "Unknown/Negative" "Unknown/Negative" "Unknown/Negative" "Unknown/Negative" ...
ggplot(neg.all.frame, aes(colour = "blue", probability, fill = group)) + geom_histogram(alpha = 0.2) +
xlab("Probability of Being Interested in Fashion") + ylab("Number of People")
如何修复它?
colour="blue"
从aes()
移动到geom_histogram
中:+ geom_histogram(colour = "blue" ...)
- scoa