Skip to content

Navigation Menu

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Appearance settings

BUG: weighted quantile for some zero weights (#27549) #27563

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.

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

Merged
merged 1 commit into from
Oct 15, 2024

Conversation

charris
Copy link
Member

@charris charris commented Oct 15, 2024

Backport of #27549.

This PR fixed weighted quantiles (and percentiles) for a corner case:

  • at least one weight is zero
  • q=0 (0-quantile equals minimum) Then:
np.quantile(np.arange(3), 0, weights=[0, 0, 1], method="inverted_cdf")

should return 2, the minimum when neglecting zero weight values. Current main returns 0.

This PR fixed weighted quantiles (and percentiles) for a corner case:

* at least one weight is zero
* q=0 (0-quantile equals minimum)
Then:
```
np.quantile(np.arange(3), 0, weights=[0, 0, 1], method="inverted_cdf")
```
should return 2, the minimum when neglecting zero weight values. Current main returns 0.
@charris charris added 00 - Bug 08 - Backport Used to tag backport PRs labels Oct 15, 2024
@charris charris added this to the 2.1.3 release milestone Oct 15, 2024
@charris charris merged commit 25d3339 into numpy:maintenance/2.1.x Oct 15, 2024
62 of 65 checks passed
@charris charris deleted the backport-27549 branch October 15, 2024 17:43
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
00 - Bug 08 - Backport Used to tag backport PRs
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants
Morty Proxy This is a proxified and sanitized view of the page, visit original site.