我用我的数据创建了多个条形图stat_summary.但是,我想手动指定错误栏的限制(而不是使用mean_cl_boot).如何使用图表绘制数据facet_grid?
我用来创建图表的代码如下:
graph <- ggplot(slantclean, aes(x = View,value, fill = Texture))
graph + stat_summary(fun.y = mean, geom = "bar", position = "dodge") +
stat_summary(fun.data = mean_cl_boot, geom = "pointrange",
position = position_dodge(width = 0.90)) +
labs(x = "View", y = "Vertical height of ellipse (cm)", fill = "Texture") +
facet_grid( Shape ~ TNOGroup)
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您可以定义自己要使用的功能stat_summary().如果您使用geom="pointrange"的stat_summary(),然后你的函数应该给y,ymin并ymax在一个数据帧值.
以下是制作my.fun计算最小值,最大值和平均值的函数的示例.在stat_summary()此值中使用时,将计算数据中每个级别的值.
my.fun<-function(x){data.frame(ymin=min(x),ymax=max(x),y=mean(x))}
graph <- ggplot(slantclean, aes(x = View,value, fill = Texture))
graph + stat_summary(fun.y = mean, geom = "bar", position = "dodge") +
stat_summary(fun.data = my.fun, geom = "pointrange", position = position_dodge(width = 0.90)) +
labs(x = "View", y = "Vertical height of ellipse (cm)", fill = "Texture") +
facet_grid( Shape ~ TNOGroup)
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