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BUG: bug in df.info() when embedded categorical (related GH7619) #8449

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Merged
merged 1 commit into from
Oct 3, 2014
Merged

BUG: bug in df.info() when embedded categorical (related GH7619) #8449

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2 changes: 1 addition & 1 deletion pandas/core/internals.py
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Original file line number Diff line number Diff line change
Expand Up @@ -245,7 +245,7 @@ def apply(self, func, **kwargs):
""" apply the function to my values; return a block if we are not one """
result = func(self.values)
if not isinstance(result, Block):
result = make_block(values=result, placement=self.mgr_locs,)
result = make_block(values=_block_shape(result), placement=self.mgr_locs,)

return result

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12 changes: 12 additions & 0 deletions pandas/tests/test_categorical.py
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Expand Up @@ -1306,6 +1306,18 @@ def test_repr(self):
self.assertEqual(exp,a.__unicode__())


def test_info(self):

# make sure it works
n = 2500
df = DataFrame({ 'int64' : np.random.randint(100,size=n) })
df['category'] = Series(np.array(list('abcdefghij')).take(np.random.randint(0,10,size=n))).astype('category')
df.isnull()
df.info()

df2 = df[df['category']=='d']
df2.info()

def test_groupby_sort(self):

# http://stackoverflow.com/questions/23814368/sorting-pandas-categorical-labels-after-groupby
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