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Pandas MultiIndex values cache changes but don't preserve them on .copy()
2025-02-10 00:48:46
1442
Code Sample, a copy-pastable example if possibleIn [2]: mi = pd.MultiIndex.from_product([[1,2], ['a', 'b']])In [3]: mi.v...
Pandas InStr Comparison between two values on the same row in the same DataFrame
2025-02-10 00:48:42
1266
Enhancement Request:- InStr Comparison between two values on the same row in the same DataFrameWould be great if pandas ...
Pandas BUG: python and c engines for read_csv treat blank spaces differently, when using converters
2025-02-10 00:48:36
4369
Code Sample, a copy-pastable example if possibleIn [109]:data = np.array([[ 'c1', 'c2'], [ '', 0.285], ...
Pandas to_frame() broken by RangeIndex
2025-02-10 00:48:32
5539
Code Sample, a copy-pastable example if possibleIn [1]: import pandas as pdIn [2]: import numpy as npIn [3]: p = pd.Pane...
Pandas Unexpected behavior -- crosstab with dropna=False
2025-02-10 00:48:27
1846
Summary of issueBy the name of it, I expected using the 'dropna=False' option with crosstab would have given me results ...
Pandas Indexing and slicing datetime columns using strings
2025-02-10 00:48:22
11606
I deal with DateTime columns extensively. Using strings to slice and select items is extremely useful, but it requires a...
Pandas TypeError bug in core/base.py when used with memory profilers.
2025-02-10 00:48:17
2821
I have been trying to use some memory profiling tools, to profile my code. With two different memory profilers, both of ...
Pandas [Feature Request] Pandas.Series.info
2025-02-10 00:48:12
454
It would be great if Pandas Series got an info method, like Pandas DataFrame. My main interest is to find out memory usa...
Pandas partial slicing FAILS with a datetimeindex
2025-02-10 00:48:07
6428
Hi,I have a simple dataframe with a multiindex. stats.index.namesOut[67]: FrozenList([u'day', u'category'])day is a time...
Pandas Plot expressions
2025-02-10 00:48:01
976
It would be nice to have the possibility to plot expressions. Suppose I have a dataframe with three columns: col1, col2,...
Pandas Cannot get pandas.DataFrame.from_dict() to work with variable dict.values() length
2025-02-10 00:47:56
4159
Code SampleI am trying to get a DataFrame from dict whose values are of variable length. However, I get a ValueError.In ...
Pandas COMPAT: statsmodels 0.8 release
2025-02-10 00:47:51
2729
https://groups.google.com/forum/m/?pli=1#!topic/pystatsmodels/VT24vE45oogis out in pre release - would be nice to test w...
Pandas DataFrame.query() could be vulnerable to SQL injections like attacks if the user doesn't know what they are doing
2025-02-10 00:47:47
5559
Currently DataFrame.query() takes a string to query a database in a way that's quite similar to how an SQL query reads d...
Pandas Incorrect use of super() in pandas core module
2025-02-10 00:47:42
1274
Existing CodeIn the pandas core module base.py, the __sizeof__ member of the PandasObject class uses the following line:...
Pandas Pythonic chained comparisons
2025-02-10 00:47:38
715
Code Sample, a copy-pastable example if possibledtw[(x <= dtw.id < y)]Expected Outputsame as dtw[(x <= dtw.id) ...
Pandas DataFrame.describe() no longer excludes NaN.
2025-02-10 00:47:31
1422
Code Sample, a copy-pastable example if possibleIn 0.18.1, a single NaN in a column will cause the reported percentiles ...
Pandas feature request : lead/lag values based on timedeltas
2025-02-10 00:47:26
2112
Hello the Pandas team,It's me again ;-)Consider the following:rng = pd.date_range('1/1/2011', periods=5, freq='T')ts = p...
Pandas BUG, dot product with empty dataframe
2025-02-10 00:47:21
531
Dot product of empty dataframe resulted in dataframe filled with zeros. I thought the expected ones would be empty or Na...
Pandas Feature Request: groupby retaining indexes
2025-02-10 00:47:16
2818
The feature I'd like to suggest/request is pretty simple, it has workarounds but it seems very odd to me that this is no...
Pandas index disappears on groupby.rank()
2025-02-10 00:47:10
3075
df = pd.DataFrame({'A' : [1, 1, 3, 4], 'B': [7, 7, 7, 8], 'C': [5, 6, 7, 8], 'D': [5, 6, 7, 8]})print(df)print("")print(...
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