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Add Polars lecture to complement existing Pandas lecture - #408

Merged

jstac merged 53 commits into

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copilot/fix-407

Jul 30, 2026

Commits on Aug 29, 2025
- Initial plan
  Copilot
  committed
  7ab21c3
- Create polars lecture based on pandas lecture and add to TOC
  
  Copilot
  and
  mmcky
  committed
  4ebe07f
- Fix Polars .suffix() method to use .name.suffix() for compatibility
  
  Copilot
  and
  mmcky
  committed
  65e4ef8
- Fix column name from 'DATE' to 'observation_date' in FRED data filtering
  
  Copilot
  and
  mmcky
  committed
  de01b78
- Fix TypeError in Polars exercise and update pivot API usage
  
  Copilot
  and
  mmcky
  committed
  490372f
Commits on Aug 31, 2025
- Fix DuplicateError in Polars exercise join logic by using concat and pivot approach
  
  Copilot
  and
  mmcky
  committed
  ea139df
Commits on Sep 1, 2025
- initial @mmcky review, in-work
  mmcky
  committed
  b67e56b
Commits on Sep 4, 2025
- updates to series section
  mmcky
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  746f18c
Commits on Sep 5, 2025
- edit round of DataFrames
  mmcky
  committed
  4e654c7
Commits on Sep 8, 2025
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  018fe74
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  7d84e12
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  c776ffb
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  05e0523
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  4fdd052
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  2e51b8c
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  7c3e1ed
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  f73ead1
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  77982bf
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  914364f
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  0c05e46
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  6382783
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  0704681
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  bf26d68
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  c923a65
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  2d4c312
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  401b2ee
- FIX: removed closing brackets
  mmcky
  committed
  bec5d9f
- add in cell fence removed from comments
  mmcky
  committed
  ef004f2
- Merge branch 'main' into copilot/fix-407
  mmcky
  authored
  3356a1a
- add in missing url
  mmcky
  committed
  6e2d434
- Remove Exercises
  mmcky
  committed
  50a708c
Commits on Sep 30, 2025
- add exercises and solutions
  mmcky
  committed
  8226757
- review of lecture and add section on Lazy evaluation
  mmcky
  committed
  b3474d1
- FIX: issues with code
  mmcky
  committed
  ea41ee3
- Comprehensive improvements to Polars lecture
  mmcky
  committed
  4dbe60d
- Apply code review suggestions from @HumphreyYang and @jstac
  
  Copilot
  and
  mmcky
  committed
  a86a9e4
- Merge and re-apply review suggestions from @HumphreyYang and @jstac
  Copilot
  committed
  78004d2
- Make Polars lecture PEP8 compliant with 80-character line limit
  mmcky
  committed
  7f0a848
Commits on Oct 1, 2025
- Merge branch 'main' into copilot/fix-407
  mmcky
  authored
  9853faf
Commits on Oct 2, 2025
- Merge branch 'main' into copilot/fix-407
  mmcky
  authored
  6eb13a0
Commits on Nov 21, 2025
- Update lectures/polars.md
  
  mmcky
  and
  HumphreyYang
  authored
  e55eacd
- Apply suggestions from code review
  
  mmcky
  and
  HumphreyYang
  authored
  bc5caaa
Commits on Mar 20, 2026
Commits on Mar 26, 2026
Commits on Apr 14, 2026
- Merge branch 'main' into copilot/fix-407
  mmcky
  authored
  8d96b65
Commits on Jul 30, 2026
- Merge branch 'main' into copilot/fix-407
  mmcky
  authored
  1b7c680
- [polars] Sort joined frame by Date so yearly returns are correct
  
  mmcky
  and
  claude
  committed
  c2e6818

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Commits on Sep 30, 2025

Commits on Oct 1, 2025

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Commits on Nov 21, 2025

Commits on Mar 20, 2026

Commits on Mar 26, 2026

Commits on Apr 14, 2026

Commits on Jul 30, 2026