8000 Series.max incorrect for skipna=False with missing datetime64[ns] data. · Issue #24265 · pandas-dev/pandas · GitHub
[go: up one dir, main page]
Skip to content

Series.max incorrect for skipna=False with missing datetime64[ns] data. #24265

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Closed
TomAugspurger opened this issue Dec 13, 2018 · 0 comments · Fixed by #24293
Closed

Series.max incorrect for skipna=False with missing datetime64[ns] data. #24265

TomAugspurger opened this issue Dec 13, 2018 · 0 comments · Fixed by #24293
Labels
Datetime Datetime data dtype Numeric Operations Arithmetic, Comparison, and Logical operations
Milestone
0.24.0

Comments

@TomAugspurger
Copy link
Contributor 
In [2]: s = pd.Series([1, None, 3], dtype='datetime64[ns]')

In [3]: s.max(skipna=False)
Out[3]: Timestamp('1970-01-01 00:00:00.000000003')

That should be NaT.

We get min correct, but think just because iNaT is already the min.

Probably affects datetimetz / timedelta as well.
@TomAugspurger TomAugspurger added Datetime Datetime data dtype Numeric Operations Arithmetic, Comparison, and Logical operations labels Dec 13, 2018
TomAugspurger added a commit to TomAugspurger/pandas that referenced this issue Dec 13, 2018
@TomAugspurger
Fixed datetimelike-max
8c6f2db 
Working around pandas-dev#24265
@TomAugspurger TomAugspurger mentioned this issue Dec 19, 2018
Merged
4 tasks
@jreback jreback added this to the 0.24.0 milestone Dec 29, 2018
@jreback jreback closed this as completed in #24293 Dec 29, 2018
jbrockmendel added a commit to jbrockmendel/pandas that referenced this issue Dec 29, 2018
@jbrockmendel
added whatsnew for pandas-dev#24265
a965519
@jbrockmendel jbrockmendel mentioned this issue Dec 29, 2018
Merged
gfyoung pushed a commit that referenced this issue Dec 30, 2018
@jbrockmendel @gfyoung
BUG: Fix+test timezone-preservation in DTA.repeat (#24483)
1ebfd8a 
Also add whatsnew for gh-24265
Pingviinituutti pushed a commit to Pingviinituutti/pandas that referenced this issue Feb 28, 2019
@jbrockmendel @Pingviinituutti
BUG: Fix+test timezone-preservation in DTA.repeat (pandas-dev#24483)
217510b 
Also add whatsnew for pandas-devgh-24265
Pingviinituutti pushed a commit to Pingviinituutti/pandas that referenced this issue Feb 28, 2019
@jbrockmendel @Pingviinituutti
BUG: Fix+test timezone-preservation in DTA.repeat (pandas-dev#24483)
9a83cd7 
Also add whatsnew for pandas-devgh-24265
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
Datetime Datetime data dtype Numeric Operations Arithmetic, Comparison, and Logical operations
Projects
None yet
Milestone
0.24.0
2 participants
@jreback @TomAugspurger
0