Plotting multiple different plots in one figure using Seaborn
I am attempting to recreate the following plot from the book Introduction to Statistical learning using seaborn
I specifically want to recreate this using seaborn's lmplot
to create the first two plots and boxplot
to create the second. The main problem is that lmplot creates a facetgrid
according to this answer which forces me to hackily add another matplotlib axes for the boxplot. I was wondering if there was an easier way to achieve this. Below, I have to do quite a bit of manual manipulation to get the desired plot.
seaborn_grid = sns.lmplot('value', 'wage', col='variable', hue='education', data=df_melt, sharex=False)
seaborn_grid.fig.set_figwidth(8)
left, bottom, width, height = seaborn_grid.fig.axes[0]._position.bounds
left2, bottom2, width2, height2 = seaborn_grid.fig.axes[1]._position.bounds
left_diff = left2 - left
seaborn_grid.fig.add_axes((left2 + left_diff, bottom, width, height))
sns.boxplot('education', 'wage', data=df_wage, ax = seaborn_grid.fig.axes[2])
ax2 = seaborn_grid.fig.axes[2]
ax2.set_yticklabels([])
ax2.set_xticklabels(ax2.get_xmajorticklabels(), rotation=30)
ax2.set_ylabel('')
ax2.set_xlabel('');
leg = seaborn_grid.fig.legends[0]
leg.set_bbox_to_anchor([0, .1, 1.5,1])
Which yields
Sample data for DataFrames:
df_melt = {'education': {0: '1. < HS Grad',
1: '4. College Grad',
2: '3. Some College',
3: '4. College Grad',
4: '2. HS Grad'},
'value': {0: 18, 1: 24, 2: 45, 3: 43, 4: 50},
'variable': {0: 'age', 1: 'age', 2: 'age', 3: 'age', 4: 'age'},
'wage': {0: 75.043154017351497,
1: 70.476019646944508,
2: 130.982177377461,
3: 154.68529299562999,
4: 75.043154017351497}}
df_wage={'education': {0: '1. < HS Grad',
1: '4. College Grad',
2: '3. Some College',
3: '4. College Grad',
4: '2. HS Grad'},
'wage': {0: 75.043154017351497,
1: 70.476019646944508,
2: 130.982177377461,
3: 154.68529299562999,
4: 75.043154017351497}}
Solution 1:
One possibility would be to NOT use lmplot()
, but directly use regplot()
instead. regplot()
plots on the axes you pass as an argument with ax=
.
You lose the ability to automatically split your dataset according to a certain variable, but if you know beforehand the plots you want to generate, it shouldn't be a problem.
Something like this:
import matplotlib.pyplot as plt
import seaborn as sns
fig, axs = plt.subplots(ncols=3)
sns.regplot(x='value', y='wage', data=df_melt, ax=axs[0])
sns.regplot(x='value', y='wage', data=df_melt, ax=axs[1])
sns.boxplot(x='education',y='wage', data=df_melt, ax=axs[2])