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Pandas Row slicing of a sparse dataframe is too slow
2025-02-10 03:20:17
2357
Code Sampledf = Dataframe(numpy.zeros(10000,10000))random_fill_df(df, num_elements=20)df = df.to_sparse(fill_value=0)tim...
Pandas NaN Error in creating a series with dict
2025-02-10 03:20:12
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import pandas as pdpd.Series(data={"a":[1,2,3,3,5]}, index=[1,2,3,4,5])Problem descriptionIf I use the code ab...
Pandas ValueError: Big-endian buffer not supported on little-endian compiler in DataFrame repr
2025-02-10 03:20:06
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Code Sample, a copy-pastable example if possibleimport pandas as pdfrom collections import OrderedDictdata = OrderedDict...
Pandas [Feature Request] read_pickle and to_pickle Optionally Read/Return Strings Similar to Pickle's dumps and loads
2025-02-10 03:20:00
807
Unless I'm mistaken there's no official way of directly getting a string representation of a DataFrame. I was using cPi...
Pandas python3 import zookeeper module import
2025-02-10 03:19:54
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I recently import the zookeeper module in python 3,so when I finished my work, I made a mistake in testing the import of...
Pandas Error while trying to use column values in a dataframe.query() as dictionary keys
2025-02-10 03:19:48
2325
Code Sample, a copy-pastable example if possible#Does not work, raises: "TypeError: 'DataFrame' objects are mutable...
Pandas astype documentation lacks a section about the copy parameter
2025-02-10 03:19:42
598
The astype method of both DataFrame and Series don't include an explanation about the copy parameter in 'parameters' ses...
Pandas Possible documentation problem in GroupBy section
2025-02-10 03:19:36
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Hi. I'm not understanding the following section in the pandas doc regarding "Flexible apply" on the following page: ht...
Pandas new html styling does not persist when converting from notebook to html file
2025-02-10 03:19:28
550
Hi,I love the look of new default output of pandas dataframes in the new jupyter notebooks, but when I runjupyter nbconv...
Pandas round function on a dtype: object does not return the expected result without further information
2025-02-10 03:19:23
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Sometimes pandas round function does not return the expected results without informing me about the reason. Consider th...
Pandas inplace argument has no effect for rename_axis()
2025-02-10 03:19:17
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Code Sample, a copy-pastable example if possible >>> df = pd.DataFrame([[1,2],[3,4]]) >>> df ...
Pandas UInt64Index not implemented by pytables
2025-02-10 03:19:11
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Code Sample, a copy-pastable example if possibledf = pd.DataFrame(np.random.randint(0, high=2**16 -1, size=(20,5), dtype...
Pandas Time-based rolling apply inconsistent behavior on NaN rows
2025-02-10 03:19:05
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Code Sample, a copy-pastable example if possibleimport pandas as pdimport numpy as nps = pd.Series([1, 2, 3, np.nan, 5],...
Pandas .iloc[] with positional index error
2025-02-10 03:19:00
2487
Newest version of Pandas using .iloc method on a data frame threw me IndexError: single positional indexer is out-of-bou...
Pandas Regression : Pandas 0.20.1 vs 0.19.1
2025-02-10 03:18:55
3810
Code Sample, a copy-pastable example if possible#Using pandas 0.19.2import pandas as pd, picklearr= np.ones((5,5))col= [...
Pandas Internals: concat does not preserve block types / does not take ndim of blocks into account
2025-02-10 03:18:50
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xref https://github.com/pandas-dev/pandas/issues/17144I am trying to get concat (and affiliated functionality) working w...
Pandas Q: DataFrame loc and iloc seem to have inconsistent negative indexing behaviors.
2025-02-10 03:18:44
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With version: 0.20.3, DataFrame loc and iloc have inconsistent and buggy indexing behaviors.df = pd.DataFrame([dict(idx=...
Pandas 'column' not in index, but hell it is. Seems like a bug...
2025-02-10 03:18:38
16669
I have a dataframe called delivery and when I print(delivery.columns) I get the following:Index(['Complemento_endereço',...
Pandas Windows 10: File created with to_excel() gets fixed Date Accessed-value two hours in the future from first invocation
2025-02-10 03:18:32
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Code Sample, a copy-pastable example if possibleimport pandas as pdL1 = [1,2,3,4,5,6,7,8,9,10]df = pd.DataFrame({"L...
Pandas datetime64 dtype loses precision on creation of a Series, leading to OutOfBoundsDatetime
2025-02-10 03:18:26
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Code Sample# Your code hereProblem descriptionThe above code raises an exception when run:import numpyimport pandasarray...
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