[英]R ggplot2: legend should be discrete and not continuous
I have the following data:我有以下数据:
benchmark mispredpenal IPC pred
ammp 1 1.0589 2lev
ammp 5 1.0450 2lev
...
and use the following command:并使用以下命令:
ggplot(IPC, aes(x = benchmark, y = IPC, group=mispredpenal, colour=mispredpenal)) +
geom_point() + geom_line()
Everything looks like it should, but I would like the legend to be discrete, and not the continuous (gradient).一切看起来都应该如此,但我希望图例是离散的,而不是连续的(渐变)。 How should I do this?
我该怎么做?
Edit: Misprediction is either 1, 5, 9, 13 or 17.编辑:错误预测是 1、5、9、13 或 17。
You want the variable mispredpenal
to be a factor
in that case:在这种情况下,您希望变量
mispredpenal
成为一个factor
:
ggplot(IPC, aes(x = benchmark, y = IPC, group=factor(mispredpenal), colour=factor(mispredpenal))) +
geom_point() + geom_line()
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