Currently pd.read_excel only allows reading in DataFrames. To read a Panel back in (after pnl.to_excel(fl)) one has to l...

Currently pd.read_sql_query() accepts an sqlalchemy.engine.base.Engine instance as the con parameter. Using that, it pr...

After doingconda create -n dummy_python python=2.7 pandas=0.14 ipython=2.0and then activating dummy_python, I get the fo...

xref #6771Period("2000-01")Period('2000-01', 'M')PeriodIndex(["2000-01"])ValueError: freq not specified and cannot be in...

xref #8293The code has evolved quite a bit and could probably benefit from refactoring. In particular warpping the busda...

Hello,I have a Pandas DataFrame df like this: name value2014-01-01 temp 10.02014-01-01 p 101.02014-0...

Per @jreback: https://github.com/pydata/pandas/pull/8410#issuecomment-57100206Groupby for large values of ngroups, 10000...

Follow up to https://github.com/pydata/pandas/pull/8398This can be done now.Remove https://github.com/pandas-dev/pandas/...

Followup to https://github.com/pydata/pandas/pull/8307In [1]: df = pd.DataFrame(np.random.rand(4, 4))In [2]: df2 = df.co...

Looks like I can append() to an HDFStore object a DataFrame with a MultiIndex, but not a Panel with a MultiIndex. Simila...

[ ] check that plot does the right thing, i.e. ordering of the categories [ ] Make a utils.testing.makeCategorical() Ser...

Let's take the following example:d = {'Item1' : pandas.DataFrame(numpy.random.randn(4, 3)), 'Item2' : pandas.DataFra...

Now that Timedelta is a full fledged type. It is quite trivial to convert a datetime.time to a Timedelta.pros:- highly p...

The to_json() I/O command current provides the following output:split dict like {index -> [index], columns -> [c...

http://stackoverflow.com/questions/25952790/convert-pandas-series-from-dtype-object-to-float-and-errors-to-nans/25952844...

xref #7751 import pandas as pdpd.cut([0,0,0,0], 10)result:ValueError: Bin edges must be unique: array([ 0., 0., 0., 0...

http://stackoverflow.com/questions/25896241/creating-columns-dynamically-assigning-them-a-constant-row-vector/25896504#2...

applymap function for panel, as per DataFrameComment From: jrebackfyi, this is rarely necessary as Panel is a numpy-arra...

When attempting to store data in an HDF5 table, I found a problem where an error is raised if there are multiple object ...

import pandas as PDs1=PD.Series((1,4,9,16), name=dict(a=1,b=2))s2=s1*2s2.name=dict(c=5,d=7)s10 11 42 93 1...