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Data engineering

Trouble with pandas series

5 posts from 4 people4d activeFading, +0 this week

Posts per day

Posts per day5 posts, Aug 27 to Nov 9

The posts behind it

GitHub issuespandas-dev/pandas · xjclOct 15

BUG: `DataFrame.fillna(axis=1)` rejects compatible `dict`/`Series` replacements

...Supplying the same values as a numeric Series passes this check. 2. **For the other failing types, it calls a method on the wrong object.** The Series mentioned in the error is a DataFrame column. A Series stores its values in an array, and this check needs that array. Instead,...

3 replies
GitHub issuespandas-dev/pandas · rhshadrachSep 23

BUG: Series arithmetic ops with PyArrow dtypes and scalars can upcast

Ref: https://github.com/pandas-dev/pandas/issues/56021#issuecomment-5797277066 Reproducer:

8 replies
Stack OverflowStack Overflow [pandas] · user33098110Sep 7

Documentation of pandas DataFrame.replace with series as input

I am fairly new to using Pandas and I am trying to understand the functionality of the DataFrame.replace method when the input is a series. The documentation mentions that it accepts it as input but I cannot find any explanation on the functionality. The answer could be...

4 votes
GitHub issuespandas-dev/pandas · gyforgeAug 27

BUG: Series.std returns a non-zero value for an exactly constant float64 Series

...IPython : 9.15.0 adbc-driver-postgresql: None adbc-driver-sqlite : None bs4 : 4.15.0 bottleneck : None fastparquet : None fsspec : None html5lib : None hypothesis : None gcsfs : None jinja2 : 3.1.6 lxml.etree : None matplotlib : 3.11.0 nu

1 replies
GitHub issuespandas-dev/pandas · gyforgeAug 27

BUG: Series.corr returns a finite correlation for exactly constant Series

...IPython : 9.15.0 adbc-driver-postgresql: None adbc-driver-sqlite : None bs4 : 4.15.0 bottleneck : None fastparquet : None fsspec : None html5lib : None hypothesis : None gcsfs : None jinja2 : 3.1.6 lxml.etree : None matplotlib : 3.11.0 numba : None numexpr : None odfpy : None...

5 replies

Companies and products named

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About this problem

Evidence

5 posts from 4 people in 2 places, about 1 a week over 50 days. Mostly on pandas-dev/pandas, Stack Overflow [pandas]. Tools named alongside: GitHub, PostgreSQL, SQLite.

Frustration Frustration 0 of 3· Seen on GitHub issues, Stack Overflow

How it was grouped

Posts about pandas with no known issue, sharing the word "series". First post Aug 27, 2026, latest Oct 15, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

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Trouble with pandas dtype

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History

Momentum went from steady to fading.

Oct 22, 2026

Momentum went from fading to steady.

Oct 16, 2026

Momentum went from steady to fading.

Oct 2, 2026

First seen with 5 posts; the top post now: "Series arithmetic ops with PyArrow dtypes and scalars can upcast".

Sep 25, 2026