🌐 [translation-sync] P2 pilot: read pandas_panel data from data-lectures

[mmcky]

Automated Translation Sync

This PR contains automated translations from QuantEcon/lecture-python-programming.

Source PR

#578 - P2 pilot: read pandas_panel data from data-lectures

Files Updated

• ✏️ lectures/pandas_panel.md
• ✏️ .translate/state/pandas_panel.md.yml

Details

• Source Language: en
• Target Language: zh-cn
• Model: claude-sonnet-5

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This PR was created automatically by the translation action.

[github-actions]

✅ Translation Quality Review

Verdict: PASS | Model: claude-sonnet-5 | Date: 2026-07-17

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📝 Translation Quality

Criterion	Score
Accuracy	9/10
Fluency	9/10
Terminology	9/10
Formatting	10/10
Overall	9.2/10

Summary: The translation of the modified sections (Slicing and Reshaping Data, Merging Dataframes and Filling NaNs, Exercises) is highly accurate, fluent, and terminologically consistent with the glossary. Code blocks, MyST directives, and markdown formatting are fully preserved with no syntax errors. Only a very minor stylistic point regarding the hint translation could be tightened for closer literal alignment, but this does not affect clarity or correctness. Accurate and consistent rendering of technical pandas/statistics terminology (MultiIndex, groupby, pivot_table, xs, stack/unstack) left appropriately untranslated as code identifiers while surrounding explanatory text is fluently translated Correctly translated the join-type explanations (left/right/inner/outer join) with clear parallel structure matching the source list format Faithful handling of the NaN-filling and continent-merging logic, preserving technical nuance (e.g., '.fillna()只填充NaN值...而保持其他值不变') Consistent glossary term usage such as '核密度估计' for kernel density estimate and correct handling of code blocks and MyST directives with no syntax errors

Suggestions:

• Merging Dataframes and Filling NaNs section: 'This is illustrated by the red shading in the following diagram' translated as '下图中的红色阴影部分说明了这一点' - accurate and natural, no change needed
• Exercises section, hint: 'GEO includes both areas and countries' translated as 'GEO 包含区域和国家两类地理单元' adds slight elaboration ('两类地理单元') not in the source; consider a more literal rendering like 'GEO 既包含区域，也包含国家' to stay closer to the original phrasing while remaining natural

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🔍 Diff Quality

Check	Status
Scope Correct	✅
Position Correct	❌
Structure Preserved	✅
Heading-map Correct	✅
Overall	7.5/10

Summary: The file was reported as modified but the actual URL content in the target's Before/After is unchanged, meaning the required source sync (updating 3 dataset URLs) was not applied to the target document.

Issues:

• The source changed 3 URLs (url1, url2, url3) to point to QuantEcon/data-lectures, but the target document's Before and After versions show identical, unchanged URLs pointing to QuantEcon/lecture-python/master - the reported +3/-3 diff is not reflected in the actual content shown
• Target URLs reference a completely different base path (lecture-python/master/source/_static) than even the source's original URLs (lecture-python-programming/main/lectures/_static), indicating the target was already out of sync before this update and remains so after

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This review was generated automatically by action-translation review mode.

[Copilot]

Pull request overview

This automated translation-sync PR updates the zh-cn Pandas panel lecture to fetch its example datasets from the QuantEcon/data-lectures repository (instead of the older lecture-python static paths) and refreshes the translation state metadata to match the new upstream source commit.

Changes:

• Switched three dataset URLs in lectures/pandas_panel.md to point at QuantEcon/data-lectures.
• Updated translation sync state metadata (source-sha, synced-at, model, tool version).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
lectures/pandas_panel.md	Updates the CSV download URLs used in code cells to the new data source repository.
.translate/state/pandas_panel.md.yml	Bumps translation sync metadata to the new upstream commit/model/tool version.

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