I'm running into a strange problem where a full pandas build starts every time setup.py is invoked, with any arguments w...

Code Sampleimport pandas as pdimport numpy as npdates = pd.date_range('1/1/2000', periods=8)data1 = {'A': np.arange(8), ...

Code>>> import numpy as np>>> import pandas as pd>>> df = DataFrame([1, 2, 3, np.nan], column...

Thanks for all developers,I think it's useful and natural behaviour when keys parameter of concat() function is specifie...

Create MultiIndex DataFrameimport pandas as pddf = pd.DataFrame([ [5777, 100, 5385, 200, 5419, 4887, 100, 200], [4...

Hi,I came across an unknown-to-me behaviour in the performance of groupby (I was suggested to put the question here afte...

I find it necessary to specify an explicit date parser when reading certain CSV files because read_csv(..., error_bad_li...

Code Sample, a copy-pastable example if possiblex = [u'2016-07-19T00:00:00.000Z', u'2016-07-19T01:00:00.000Z', ...

Code Sample, a copy-pastable example if possibleimport datetimeimport pandas as pddf = pd.DataFrame()df['string_date'] =...

DescriptionImporting pandas makes plotting with matplotlib and standard datetime objects impossible. A type error is rai...

The Download zipped PWT data and calculate 5yr averageslink is bronken in the cookbook section of the wiki Comment From:...

Consider the following DataFrame: 0F001tTt1Q 0F00dqgq6a 0F00ewG3TT1911-01-01 00:00:00.00000...

I was wondering if, given the recent set of developments and improvements to asfreq and resample, we now have a more eff...

Code Sample, a copy-pastable example if possibleI have a dataframe with two columns start and end both have the dtype of...

Code Sample, a copy-pastable example if possibleto_excel function displays datetime types incorrectly in Excelbefore: da...

I have a very long csv file with some bad lines. Here is a sample of a bad line between some good lines:2016.07.03 09:43...

I am not sure, but it appears that obtaining options data from yahoo is broken as it results into following error at the...

See title and example below. I believe this is due to the fact that combination of indices with different timezones firs...

Hello,Yahoo seems to have changed their site design as I no longer can pull any options data with panda.Does anyone else...

Code Sample, a copy-pastable example if possibleIn [2]: df = pd.DataFrame(index=pd.MultiIndex.from_tuples([['a', 'b', 'c...