用2个y轴绘制，左侧一个y轴，右侧绘制另一个y轴 [英] Plot with 2 y axes, one y axis on the left, and another y axis on the right

问题描述

我需要在一个图表中显示一个显示计数和折线图的条形图，我可以单独执行这两个操作，但是当我将它们放在一起时，我会缩放第一层（即 geom_bar ）与第二层（即 geom_line ）重叠。

我可以将 geom_line 的轴向右移动吗？

解决方案

<有时一个客户需要两个y尺度。给他们有缺陷的讲话通常是毫无意义的。但我确实喜欢ggplot2坚持以正确的方式做事。我相信ggplot实际上是在教育普通用户了解适当的可视化技术。

也许你可以使用faceting和scale来比较两个数据系列吗？ - 例如看这里： https://github.com/hadley/ ggplot2 / wiki /对齐两页一页一页

I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar) is overlapped by the second layer (i.e. the geom_line).

Can I move the axis of the geom_line to the right?

解决方案

Sometimes a client wants two y scales. Giving them the "flawed" speech is often pointless. But I do like the ggplot2 insistence on doing things the right way. I am sure that ggplot is in fact educating the average user about proper visualization techniques.

Maybe you can use faceting and scale free to compare the two data series? - e.g. look here: https://github.com/hadley/ggplot2/wiki/Align-two-plots-on-a-page

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