When trying to resample transactions data where there are infrequent transactions for a large number of people, I get ho...

Feature request: it would be nice if aggregate allowed classes as an argument, using its constructor as the function to ...

This is not necessarily a bug, but a change in behavior that could not find reported elsewhere.import pandas as pd,datet...

total_rows is only set in to_gbq() if verbose = True. If verbose = False, it is reference before assignment.Code Sample...

I have DataFrame:import pandas as pdimport numpy as nprng = pd.date_range('01-01-1988',periods=130000,freq='H')long_df =...

When we pass a list of numbers, it parsed as date as it is. The same values is regarded as ordinal if it is passed as an...

Code Sample, a copy-pastable example if possibledf1 = pd.DataFrame(np.arange(9).reshape(3, 3), columns=['a', 'b', 'c'])d...

The issue discussed here is occurring for me in 0.18.1: The columns optional argument of to_csv is being ignored.Comment...

Using the .where operation on a localized DataFrame Column may raise an exception due to a failure to tz_localize the re...

I have tried to reduce this problem as small as possible, two data frames attached each with 291 rows.pickles.zipdf1 = p...

when I want to sort one of the columns with a specific order, there is the only way to do this right now. example, we ha...

When converting a fractional year to a Timedelta object the float is truncated:print pd.to_timedelta(1., unit='Y')365 da...

I've been screenshotting the dataframes from Jupyter in my notes but it would be really cool if you could save the actua...

It seems there is an issue when adding a timedelta to a Series of type datetime64[ns, some tz]. There seems to be an iss...

Code Sample, a copy-pastable example if possibledf = pd.DataFrame({'items':[1,2,3], 'test': [2,3,4]})df.itemsExpected Ou...

Sometimes when shifting a variable by groups, if there are NaNs in the group column, it crashes my kernel. Sometimes the...

I'm honestly not sure if that is to be expected or if it's a general issue. It is a problem when doing row comparisons t...

Code Sample, a copy-pastable example if possibleThe code above works in py2 but not works in py3.Expected Outputshould g...

In the newey_west function in pandas.stats.math, the weight variable is always gonna be 0, since max_lags and lag are bo...

After applying DataFrame.update() on a DataFrame that has boolean column the type of that column changes to Object and f...