如何为每个组应用geom_smooth（）？ [英] How to apply geom_smooth() for every group?

问题描述

如何为每个组申请geom_smooth（）？

在程序中使用 facet_wrap（），
如此绘制每个组图。

我想整合图并获得一个图。

  ggplot（data = iris，aes（x = Sepal.Length，y = Petal.Length））+ 
 geom_point（aes（color = Species））+ 
 geom_smooth（method =nls ，公式= y〜a * x + b，se = F，
 method.args = list（start = list（a = 0.1，b = 0.1）））+ 
 facet_wrap（〜Species）
  

解决方案

您必须将所有变量放入ggplot
$ g $ p $ ggplot（data = iris，aes（x = Sepal。长度，y = Petal.Length，color = Species））+
geom_point（）+
geom_smooth（method =nls，formula = y〜a * x + b，se = F，
method.args = list（start = list（a = 0.1，b = 0.1）））


How to apply geom_smooth() for every group ?

under program is use facet_wrap(), so plot every group graph.
I would like to integrate the graph, and get one graph.

ggplot(data = iris, aes(x = Sepal.Length,  y = Petal.Length)) +
  geom_point(aes(color = Species)) +
  geom_smooth(method = "nls", formula = y ~ a * x + b, se = F,
              method.args = list(start = list(a = 0.1, b = 0.1))) +
  facet_wrap(~ Species)

解决方案

You have to put all your variable in ggplot aes():

ggplot(data = iris, aes(x = Sepal.Length,  y = Petal.Length, color = Species)) +
  geom_point() +
  geom_smooth(method = "nls", formula = y ~ a * x + b, se = F,
              method.args = list(start = list(a = 0.1, b = 0.1)))

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