停止Seaborn在彼此之上绘制多个图形 [英] Stop seaborn plotting multiple figures on top of one another

问题描述

我开始学习一些用于数据分析的python(使用R).我正在尝试使用seaborn创建两个图，但它始终将第二个图保存在第一个图上.如何停止这种行为?

I'm starting to learn a bit of python (been using R) for data analysis. I'm trying to create two plots using seaborn, but it keeps saving the second on top of the first. How do I stop this behavior?

import seaborn as sns
iris = sns.load_dataset('iris')

length_plot = sns.barplot(x='sepal_length', y='species', data=iris).get_figure()
length_plot.savefig('ex1.pdf')
width_plot = sns.barplot(x='sepal_width', y='species', data=iris).get_figure()
width_plot.savefig('ex2.pdf')

推荐答案

您必须先创建一个新图形.假设您拥有 matplotlib ，可以采用多种方法.也摆脱get_figure()，您可以从那里使用plt.savefig().

You have to start a new figure in order to do that. There are multiple ways to do that, assuming you have matplotlib. Also get rid of get_figure() and you can use plt.savefig() from there.

方法1

使用 plt.clf()

import seaborn as sns
import matplotlib.pyplot as plt

iris = sns.load_dataset('iris')

length_plot = sns.barplot(x='sepal_length', y='species', data=iris)
plt.savefig('ex1.pdf')
plt.clf()
width_plot = sns.barplot(x='sepal_width', y='species', data=iris)
plt.savefig('ex2.pdf')

方法2

在每个呼叫之前呼叫plt.figure()

plt.figure()
length_plot = sns.barplot(x='sepal_length', y='species', data=iris)
plt.savefig('ex1.pdf')
plt.figure()
width_plot = sns.barplot(x='sepal_width', y='species', data=iris)
plt.savefig('ex2.pdf')

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