根据对象在箱图中排序 [英] ordering in boxplot according to an object

问题描述

我想在熊猫df中有一些分组的箱线图。

I would like to have some grouped boxplot in a pandas df.

var2是一个对象，我想根据var2以字母顺序显示箱线图order

var2 is an object, and I would like to display the boxplot in alphabetical order according to var2 order

import seaborn as sns
sns.set_style("whitegrid")   
ax = sns.boxplot(x="var1", y="var2",order=???, data=df)

无需手动放置：order = [ a， b， c， d， e]

without putting manually: order=["a","b","c","d","e"]

推荐答案

不是100％确定需要排序的内容，但实际上您需要使用unique（）：

Not 100% sure what needs to be sorted, but essentially you need to use unique():

order = sorted(df.var1.unique())
ax = sns.boxplot(x="var1", y="var2", order=order, data=df)

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