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Pandas DataFrame sum method for all NAs does not return NA
2025-02-10 00:52:11
1052
Output of code:pd.DataFrame([[np.NaN, np.NaN], [np.NaN, np.NaN]]).sum(skipna=True)is:0 0.01 0.0dtype: float64What ...
Pandas Msgpack roundtrips python 3 strings to bytes
2025-02-10 00:52:06
2723
Possibly related to https://github.com/pydata/pandas/issues/13591. Causes https://github.com/dask/dask/issues/1452Code S...
Pandas BUG: loffset isn't applied when using resample() with a TimedeltaIndex
2025-02-10 00:52:02
1468
Code Sample, a copy-pastable example if possibleIn [3]: from pandas import *In [4]: rng = timedelta_range(start='0s', pe...
Pandas CI: re-enable 3.4 build / updated conda-build on appeveyor
2025-02-10 00:51:57
137
fix conda-build versionBuilds are consecutive, 1 at a time.disable 3.4 buildComment From: jrebackclosing, 3.4 is getting...
Pandas Groupby apply using a custom function displays incorrect arguments (DF)
2025-02-10 00:51:53
5537
Code Sample, a copy-pastable example if possibledef func3(df): print(df) df['Mean'] = np.mean(df['Data'].values) ...
Pandas BUG: DatetimeIndex indexing fails at nanosecond precision if timezone is used
2025-02-10 00:51:47
1366
DatetimeIndex fails to find its own values if a timezone is used:index = pd.DatetimeIndex(['2016-06-28 08:30:00.12345678...
Pandas Failure to load Pandas in Docker
2025-02-10 00:51:42
3456
Code Sample, a copy-pastable example if possibleMore difficult than that. Trying to import pandas when Running Python 3....
Pandas pandas.DataFrame.to_html() does not provide an option to remove all styling attributes
2025-02-10 00:51:37
530
DataFrame.to_html() renders by default a table element with a border='1' attribute. The text-align style attribute on th...
Pandas Series.idxmax() and Series.max() show inconsistent behaviour with pd.np.Inf
2025-02-10 00:51:32
1180
idxmax is supposed to return the index of the maximum element. However, it seems to ignore special values like infinity ...
Pandas read_csv with character "
2025-02-10 00:51:26
731
Code Sample, a copy-pastable example if possibleInput file: (content of example file)a1 b1 c1 d1" c y za3 ...
Pandas Mixing bars and lines in a time series plot clobbers the xaxis tick values?
2025-02-10 00:51:21
1662
All rendered in a jupter notebook with %matplotlib inlineThe following non-time series plot works finedd = pd.DataFrame(...
Pandas specific-column-is-last
2025-02-10 00:51:16
3043
Code Sample, a copy-pastable example if possibledf.columns Index([u'a', u'b', u'c', u'd'], dtype='object')Dont do this, ...
Pandas Why is there no mode method for groupby objects?
2025-02-10 00:51:12
787
There is mean, max, median, min and mad yet no mode for groupby objects. Is there a good reason? What if I add and iss...
Pandas "Or" does not have commutative property (possibly because it catches exceptions silently?)
2025-02-10 00:51:06
5257
Code Sample, a copy-pastable example if possibleimport pandas as pd#Create sample dataframetest = pd.DataFrame({"a&...
Pandas BUG: resample nunique calculation incorrect
2025-02-10 00:51:01
1790
SummaryPassing 'nunique' to resample produces incorrect output. However, passing pd.Series.nunique works. Code Sample, a...
Pandas super call on FrozenList seems broken
2025-02-10 00:50:56
1144
This seems like a bug to me. Can't really figure out why this is happening. Calling sys.getsizeof on a FrozenList return...
Pandas pandas applymap converts zero-length dataframe to series
2025-02-10 00:50:51
1697
Much simpler exampleIn [1]: df = pandas.DataFrame({ 'x' : [], 'y' : [], 'z' : []})In [2]: dfOut[2]: Empty DataFrameColum...
Pandas transfering DataFrame to JSON using dictionary style with Type Error
2025-02-10 00:50:46
3968
Code Sample, a copy-pastable example if possibleI want to transfer the follwing dataframe to JSON using a dictionary sty...
Pandas Strange agg/idmin behavior
2025-02-10 00:50:40
2038
I try to mimic this with a datetime dtype columnCode Sample, a copy-pastable example if possibleimport pandas as pddf = ...
Pandas pd.expanding is incorrectly calculating window size when axis=1
2025-02-10 00:50:35
3092
Code Sample, a copy-pastable example if possibleimport pandas as pdimport numpy as npdf = pd.DataFrame({'A': [0, 1, 2, n...
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