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Fix groupby().transform() example in cookbook.rst #9007

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Dec 5, 2014
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Fix groupby().transform() example in cookbook.rst #9007

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8 changes: 4 additions & 4 deletions doc/source/cookbook.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -489,10 +489,10 @@ Unlike agg, apply's callable is passed a sub-DataFrame which gives you access to
.. ipython:: python

def GrowUp(x):
avg_weight = sum(x[x.size == 'S'].weight * 1.5)
avg_weight += sum(x[x.size == 'M'].weight * 1.25)
avg_weight += sum(x[x.size == 'L'].weight)
avg_weight = avg_weight / len(x)
avg_weight = sum(x[x['size'] == 'S'].weight * 1.5)
avg_weight += sum(x[x['size'] == 'M'].weight * 1.25)
avg_weight += sum(x[x['size'] == 'L'].weight)
avg_weight /= len(x)
return pd.Series(['L',avg_weight,True], index=['size', 'weight', 'adult'])

expected_df = gb.apply(GrowUp)
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