import pandas as pddf = pd.DataFrame(columns=['A', 'B'])df['C'] = pd.to_numeric(df['A'])I am not sure what the correct b...

Summary:When we select data in pandas dataframe, which has long name, the code becomes bulky. For example:subset = reall...

Code Sample, a copy-pastable example if possibleIn [37]: dOut[37]: array(['2017-01-01', 'NaT', '-5877611-06-21'], dtype=...

clust = SOMclust.clusters(umat, bmus, som.smap)Problem description100.00/100: flooding: 2499/2499, 127828.70, (120, 130)...

Code Sample, a copy-pastable example if possibleI followed the rules described at the docs. The only thing which differs...

Code Sample, a copy-pastable example if possible>>> pr = pd.period_range(start='2017-01-01 00:00:00', periods=9...

Code Sample, a copy-pastable example if possiblesetup.pyfrom sys import version_infoimport pandas as pddf = pd.DataFrame...

When try to access labels (.loc) by using a specific list of Timestamp objects or a DatetimeIndex object (See attached c...

Is there a function which standardizes data in the columns of a dataframe? If not, can we introduce it? Through standar...

Code Sample, a copy-pastable example if possibleimport pandas as pdimport datetime as dt# only one rows = pd.DataFrame(c...

import pandas as pddf = pd.DataFrame.from_dict([ {'A': 1, 'B': 'cat', 'values': 1}, {'A': 1, 'B': 'cat', 'values':...

MultiIndex loses nanosecond precisionI have a dataframe where one column is dtype: datetime64[ns]. This column has nanos...

See comment https://github.com/pandas-dev/pandas/pull/17954#discussion_r147298282 and https://github.com/pandas-dev/pand...

Code Sample, a copy-pastable example if possiblefrom io import StringIOdf = pd.read_csv(StringIO('''Date,A\n8/23/2017,a\...

/usr/local/lib/python3.5/dist-packages/IPython/core/interactiveshell.py:2728: DtypeWarning: Columns (17) have mixed type...

There is huge performance difference between, to_datetime and using astype for a epoch time series:Pandas to_datetime pe...

Problem description and code exampleIt is similar with issue I mentioned. But for this case, it return nothing for a ne...

Code Sample, a copy-pastable example if possiblex = datetime.datetime.now()df = pd.DataFrame([[x, 1], [x, 2]], columns=[...

Code Sample, a copy-pastable example if possibleimport pandas as pddf = pd.DataFrame({'y': [3.5, 4.5, 6.5]}, index=[2.5,...

Is it possible to use the driver argument for HDFStore? Pandas 0.21rc1.THank you.Comment From: TomAugspurgerCould you gi...