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Update explanation.py to add dpi feature (Explaination.as_pyplot_figure) #732

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Update explanation.py to add dpi feature (Explaination.as_pyplot_figure) #732

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6 changes: 3 additions & 3 deletions lime/explanation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ def as_map(self):
"""
return self.local_exp

def as_pyplot_figure(self, label=1, figsize=(4,4), **kwargs):
def as_pyplot_figure(self, label=1, figsize=(4,4), dpi=100, **kwargs):
"""Returns the explanation as a pyplot figure.

Will throw an error if you don't have matplotlib installed
Expand All @@ -160,13 +160,13 @@ def as_pyplot_figure(self, label=1, figsize=(4,4), **kwargs):
Will be ignored for regression explanations.
figsize: desired size of pyplot in tuple format, defaults to (4,4).
kwargs: keyword arguments, passed to domain_mapper

dpi: desired DPI(Dots per Inch) of pyplot in integer, default to 100.
Returns:
pyplot figure (barchart).
"""
import matplotlib.pyplot as plt
exp = self.as_list(label=label, **kwargs)
fig = plt.figure(figsize=figsize)
fig = plt.figure(figsize=figsize, dpi=dpi)
vals = [x[1] for x in exp]
names = [x[0] for x in exp]
vals.reverse()
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