In [18]: b = pandas.Series()
In [19]: g = b.groupby(level = 0)
In [20]: g.nunique()
---------------------------------------------------------------------------
IndexError Traceback (most recent call last)
<ipython-input-20-fbbfc3108eac> in <module>()
----> 1 g.nunique()
/usr/local/lib/python2.7/dist-packages/pandas/core/groupby.pyc in nunique(self, dropna)
2693
2694 out = np.add.reduceat(inc, idx).astype('int64', copy=False)
-> 2695 return Series(out if ids[0] != -1 else out[1:],
2696 index=self.grouper.result_index,
2697 name=self.name)
IndexError: index 0 is out of bounds for axis 0 with size 0 Expected Output output of pd.show_versions()
INSTALLED VERSIONS
------------------
commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-79-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.17.1
nose: 1.3.1
pip: 8.0.2
setuptools: 20.1.1
Cython: None
numpy: 1.10.4
scipy: 0.13.3
statsmodels: 0.5.0
IPython: 4.1.1
sphinx: None
patsy: 0.2.1
dateutil: 2.4.2
pytz: 2015.7
blosc: None
bottleneck: None
tables: 3.1.1
numexpr: 2.2.2
matplotlib: 1.3.1
openpyxl: 1.7.0
xlrd: 0.9.2
xlwt: 0.7.5
xlsxwriter: None
lxml: None
bs4: 4.2.1
html5lib: 0.999
httplib2: 0.8
apiclient: None
sqlalchemy: None
pymysql: None
psycopg2: None
Jinja2: None
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