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Add sort_columns parameter to plot to allow unsorted plots #918

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Merged
merged 1 commit into from
Mar 15, 2012
Merged

Add sort_columns parameter to plot to allow unsorted plots #918

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11 changes: 9 additions & 2 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3845,7 +3845,7 @@ def boxplot(self, column=None, by=None, ax=None, fontsize=None,

def plot(self, subplots=False, sharex=True, sharey=False, use_index=True,
figsize=None, grid=True, legend=True, rot=30, ax=None,
kind='line', **kwds):
kind='line', sort_columns=True, **kwds):
"""
Make line plot of DataFrame's series with the index on the x-axis using
matplotlib / pylab.
Expand All @@ -3861,6 +3861,8 @@ def plot(self, subplots=False, sharex=True, sharey=False, use_index=True,
use_index : boolean, default True
Use index as ticks for x axis
kind : {'line', 'bar'}
sort_columns: boolean, default True
Sort column names to determine plot ordering
kwds : keywords
Options to pass to Axis.plot

Expand Down Expand Up @@ -3903,7 +3905,12 @@ def plot(self, subplots=False, sharex=True, sharey=False, use_index=True,
need_to_set_xticklabels = False
x = range(len(self))

for i, col in enumerate(_try_sort(self.columns)):
if sort_columns:
columns = _try_sort(self.columns)
else:
columns = self.columns

for i, col in enumerate(columns):
empty = self[col].count() == 0
y = self[col].values if not empty else np.zeros(x.shape)

Expand Down