scikit-hep/hist

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Histogramming for analysis powered by boost-histogram

Stars: 139
Forks: 32
Open beginner issues: 0
Indexed issues: 65
Avg merge: 1d 13h
Merged PRs (30d): 9

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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65 open issues indexed

[FEATURE] Shortcut for import / export of histograms to JSON + zip Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

scikit-hep/hist#714 · Opened Sep 9, 2026
[BUG] Ambiguous indexing+ due to duplicate categorical axis entries Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

scikit-hep/hist#644 · Opened Nov 7, 2025
[DOCS] Show possible kwargs in either docstring or website Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

scikit-hep/hist#617 · 3 comments · Opened Jul 24, 2025
[FEATURE] Slicing subsets of categorical axes Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

scikit-hep/hist#616 · Opened Jul 13, 2025
[DOCS] How do I style my histogram? Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

scikit-hep/hist#600 · 1 comment · Opened Feb 4, 2025
[DOCS] How to plot histogram uncertainties with weighted fills? Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scikit-hep/hist#587 · 1 comment · Opened Sep 22, 2024
Ambiguous error message in filling histogram Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scikit-hep/hist#577 · 1 comment · Opened Jul 30, 2024
Confusing error message when using invalid start/stop for logarithmic histograms Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scikit-hep/hist#567 · 1 comment · Opened May 2, 2024
[FEATURE] Option to return values/variance with forcefully padded flow bins Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

scikit-hep/hist#566 · Opened Apr 2, 2024
[BUG] Indexing with negative numbers Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scikit-hep/hist#559 · 1 comment · Opened Feb 6, 2024
[FEATURE] Hist from Stack Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#556 · Opened Jan 5, 2024
[FEATURE] allow different plotting styles for `plot_ratio` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#547 · 2 comments · Opened Nov 8, 2023
[DOCS] Link UHI+ docs, add shorthands to quickstart Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

scikit-hep/hist#539 · 2 comments · 1 reaction · Opened Sep 18, 2023
[BUG] Cannot write Int64 hist (with np.uint64 backend) to root file using uproot Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scikit-hep/hist#526 · 3 comments · Opened Aug 17, 2023
Get uncertainties from Hist obejct Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

scikit-hep/hist#524 · 1 comment · Opened Aug 14, 2023
[FEATURE] Having hist functionalities such as a chisq/ndo, KS test etc. Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

scikit-hep/hist#500 · 1 comment · 1 reaction · Opened Jun 7, 2023
[BUG] plot2d_full does not work properly on Int axes Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scikit-hep/hist#488 · 2 comments · Opened Mar 23, 2023
[FEATURE] Option for steps in ratio panel in addition to dots Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 58/100

scikit-hep/hist#480 · Opened Mar 5, 2023
Make it easier to plot ratio of multiple histograms [FEATURE] Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#466 · 1 comment · 1 reaction · Opened Nov 21, 2022
[FEATURE] plot_ratio() to support Weighted histograms Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#463 · 1 comment · 2 reactions · Opened Nov 4, 2022
[BUG] axis.index finds wrong index when giving integer values Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scikit-hep/hist#455 · 1 comment · Opened Oct 6, 2022
Better repr Open

good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#445 · 1 reaction · Opened Sep 15, 2022
[FEATURE] Add a function that gives values split into categories Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#438 · 2 comments · Opened Aug 8, 2022
[FEATURE] Assign value-axis label Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

scikit-hep/hist#431 · Opened Jul 13, 2022
[BUG] cannot add weighted and unweighted histograms Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

scikit-hep/hist#428 · Opened Jul 7, 2022
[BUG] cannot subtract histograms with Weight() storage Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#427 · 2 comments · 1 reaction · Opened Jul 7, 2022
[BUG] MeanViews has unexpected behavior for 0-D entries Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scikit-hep/hist#408 · Opened Apr 28, 2022
[BUG] Projected slice doesn't match UHI `::sum` Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#407 · 5 comments · 1 reaction · Opened Apr 26, 2022
[FEATURE] Representation in notebooks does not take into account math formulae in labels Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scikit-hep/hist#406 · 2 comments · Opened Apr 22, 2022
[FEATURE] Histogram method that maps an array of points to array of "weights"/contents Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

scikit-hep/hist#404 · Opened Apr 7, 2022
[BUG] subtraction broadcast only works in one direction Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scikit-hep/hist#401 · 2 comments · Opened Apr 6, 2022
[BUG] `hist.numpy.histogram` from array with NaN entries Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#393 · Opened Mar 17, 2022
[FEATURE] Support for empty bin ranges Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#392 · 1 comment · Opened Mar 16, 2022
[FEATURE] Splom plot Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

scikit-hep/hist#381 · 2 comments · 2 reactions · Opened Mar 4, 2022
[DOCS] Syntactic shortcut for dumping histogram centers/counts Open

enhancement

scikit-hep/hist#364 · 2 comments · 1 reaction · 2 assignees · Opened Jan 6, 2022
[FEATURE] pull out _fit_callable_to_hist, generalize to iminuit too Open

enhancement

scikit-hep/hist#359 · 1 reaction · 2 assignees · Opened Dec 15, 2021
[BUG] MemoryError: std::bad_alloc Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#335 · 11 comments · Opened Oct 28, 2021
[FEATURE] merge / map / map_reduce / combine / some other name Open

enhancement

scikit-hep/hist#314 · 4 reactions · 2 assignees · Opened Sep 17, 2021
[FEATURE] Improve Stacks Open

enhancement

scikit-hep/hist#306 · 3 comments · 1 reaction · 2 assignees · Opened Sep 14, 2021
[DOCS] Add coverage example for ratio plots Open

documentation

scikit-hep/hist#287 · 1 reaction · 2 assignees · Opened Aug 10, 2021
[DOCS] Copy in structure and content from boost-histogram Open

documentation good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scikit-hep/hist#265 · Opened Jul 17, 2021
conversion Hist -> ROOT Open

enhancement

scikit-hep/hist#262 · 2 comments · 2 reactions · 2 assignees · Opened Jul 16, 2021
Adding Bokeh support Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

scikit-hep/hist#253 · Opened Jul 6, 2021
[DOCS] Update some new features in docs Open

documentation good first issue

Difficulty 3/5 1-2 days Newbie friendliness 38/100

scikit-hep/hist#248 · Opened Jul 1, 2021
[FEATURE] docs: copy mplhep.histplot docstring to .plot()? Open

enhancement good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

scikit-hep/hist#237 · Opened Jun 16, 2021
[FEATURE] Read and write Yoda (and HEPData) ASCII file formats Open

enhancement

scikit-hep/hist#218 · 3 comments · 2 assignees · Opened May 10, 2021
[FEATURE] export 1D hist to ROOT Open

enhancement

scikit-hep/hist#217 · 2 assignees · Opened May 10, 2021
[FEATURE] "group by" for cat axes / index based slicing Open

enhancement

scikit-hep/hist#211 · 13 comments · 2 assignees · Opened Apr 30, 2021
[FEATURE] Repr options Open

enhancement good first issue

Difficulty 5/5 Over a week Newbie friendliness 35/100

scikit-hep/hist#209 · 2 comments · Opened Apr 30, 2021
[DOCS] add plot_pull documentation Open

documentation good first issue

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scikit-hep/hist#207 · 1 comment · Opened Apr 26, 2021

scikit-hep/hist

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