Individual skill
evo-xlsx-recover-data
Recover missing values (marked as "???") in a multi-sheet NASA budget Excel workbook. Handles 4 interdependent sheets with cross-sheet constraint propagation, floating-point precision management, and robust Excel I/O via openpyxl.
tasks-evolved/xlsx-recover-data/environment/skills/evo-xlsx-recover-data/SKILL.md
Source commit 84ca182da055fafb6453dcec4a6defdbbfd987c1
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- Last checked
- Nov 6, 2026
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- Repository last updated
- Sep 10, 2026
- License
- Apache-2.0
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- agent-skills Repository topic
- ai-agents Repository topic
- llm-agents Repository topic
- open-world Repository topic
- self-evolving-agents Repository topic
- finance Derived category
- data Derived category
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# evo-xlsx-recover-data
## Purpose
Recover missing values (marked as "???") in a multi-sheet NASA budget Excel workbook.
The workbook has 4 interdependent sheets:
1. **Budget by Directorate** - Raw dollar values ($M) per category per year (FY2015-FY2024)
2. **YoY Changes (%)** - Year-over-year percentage changes
3. **Directorate Shares (%)** - Each category as % of yearly total
4. **Growth Analysis** - Summary statistics (CAGR, averages, deltas) for FY2019-2024
## Key Formulas
- **Row Sum**: Total = sum of all category columns
- **YoY%**: ((current - previous) / previous) * 100, rounded to 2dp
- **Share%**: (category / total) * 100, rounded to 2dp