Plots facets using Seaborn

plot_facets.py

#
#  From Seaborn's official documentation:
#
#    https://seaborn.pydata.org/generated/seaborn.FacetGrid.html
#
>>> import pandas as pd
>>> df = pd.DataFrame(
...     data=np.random.randn(90, 4),
...     columns=pd.Series(list("ABCD"), name="walk"),
...     index=pd.date_range("2015-01-01", "2015-03-31",
...                         name="date"))
>>> df = df.cumsum(axis=0).stack().reset_index(name="val")
>>> def dateplot(x, y, **kwargs):
...     ax = plt.gca()
...     data = kwargs.pop("data")
...     data.plot(x=x, y=y, ax=ax, grid=False, **kwargs)
>>> g = sns.FacetGrid(df, col="walk", col_wrap=2, size=3.5)
>>> g = g.map_dataframe(dateplot, "date", "val")