Quantco/tabmat

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Efficient matrix representations for working with tabular data

Stars: 140
Forks: 10
Open beginner issues: 0
Indexed issues: 12
Avg merge: 18h 17m
Merged PRs (30d): 2

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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12 open issues indexed

Standardize `DenseMatrix` by shifting data Open

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

Quantco/tabmat#414 · 24 comments · Opened Nov 12, 2024
Make `formulaic` an optional dependency Open

question

Quantco/tabmat#396 · 1 assignee · Opened Sep 23, 2024
Is there a preference for memory order (`C` or `F`) in tabmat? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Quantco/tabmat#392 · 1 comment · Opened Sep 18, 2024
Improve performance of `tabmat.from_pandas` for sparse columns Open

performance

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

Quantco/tabmat#378 · 1 comment · 2 reactions · Opened Jul 30, 2024
Consider support ELLPACK format Open

enhancement

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

Quantco/tabmat#359 · Opened May 10, 2024
Equality comparison is incorrect for `CategoricalMatrix` Open

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

Quantco/tabmat#254 · 4 comments · Opened May 15, 2023
Add "getting started" example in the README. Open

Quantco/tabmat#132 · 1 assignee · Opened Oct 7, 2021
Improve efficiency of `__getitem__` Open

code quality performance

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

Quantco/tabmat#101 · Opened Jul 29, 2021
`_split_col_subsets` ignores columns when non-monotonic Open

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

Quantco/tabmat#92 · 5 comments · Opened Jul 22, 2021
Matrix optimizations Open

on hold

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

Quantco/tabmat#42 · 1 comment · Opened Aug 6, 2020
Long-term ideas Open

on hold

Difficulty 5/5 Over a week Newbie friendliness 20/100

Quantco/tabmat#36 · Opened Aug 3, 2020
Support sparse output for sandwich products Open

enhancement on hold

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

Quantco/tabmat#17 · 5 comments · Opened Jul 13, 2020

Quantco/tabmat

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