删除百分比轴中的小数-R

问题描述

我有一个图，需要从百分比数字中删除小数.数据已经四舍五入(两位小数)，例如:

I have a plot where I need to delete the decimals from the percentage numbers. The data is already rounded (two decimals), an example of the data:

> head(df$X)
[1] 0.05 0.28 0.08 0.19 0.33

然后我用scale_x_continuous()将其转换为百分比格式，但是正如您在下图中看到的那样，它们仍然有一个小数，我需要那些没有小数的数字.

And then I plot it, using scale_x_continuous() to transform it to percentage format, but as you can see in the image below they still have one decimal and I need those numbers without decimals.

这是图形的代码:

ggplot(df, aes(x=df$X, y=DF$Y)) +
    geom_point(
        colour="red",
        size=5
        ) +
  geom_text(label=df$Label, vjust=-2, family="sans", fontface="bold") +
  labs(x="X", y="Y") + xlim(-1,1) + ylim(-1,1) + scale_x_continuous(labels=scales::percent) + scale_y_continuous(labels=scales::percent)

我找到的最接近的答案是这一个，但是我不知道不需要粘贴％"符号，因为我已经有了它.

The closest answer I have found is this one, but I don't need to paste the "%" symbol as I already have it.

推荐答案

scales::percent具有您可以修改的accuracy参数.这应该给您您想要的东西:

scales::percent has an accuracy argument that you can modify. This should give you what you want:

ggplot(df, aes(x, y)) +
  geom_point(
    colour="red",
    size=5
  ) +
  labs(x="X", y="Y") +
  xlim(-1,1) +
  ylim(-1,1) +
  scale_x_continuous(labels = function(x) scales::percent(x, accuracy = 1)) +
  scale_y_continuous(labels = function(x) scales::percent(x, accuracy = 1))

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