python - Running fig = plt.figure() in pandas opens two figures -


pretty says in title.. pandas examples suggest doing fig = plt.figure() before df.plot(..). if that, 2 figures pop after plt.show() - first empty , second actual pandas figure.. ideas why?

on dataframe, df.plot(..) create new figure, unless provide axes object ax keyword argument.
correct plt.figure() not needed in case. plt.figure() calls in pandas documentation should removed, indeed not needed. there issue this: https://github.com/pydata/pandas/issues/8776

what can ax keyword eg:

fig, ax = plt.subplots() df.plot(..., ax=ax)

note when plotting series, default plot on 'current' axis (plt.gca()) if don't provide ax.


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