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panel990
0.0.0.9000
Getting started
Reference
Articles
Tutorials
1. Downloading and assembling efile tables
2. The sampling framework
3. Cross-year requirements on the source
4. Panels and panel slices
5. Private foundations (990PF)
Cleaning panels
Imputing missing years
Smoothing panel variables
Completing panel spans
Balancing a panel
Accounting consistency
Filling gaps without breaking the books
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License
YEAR: 2026 COPYRIGHT HOLDER: Nonprofit Open Data Collective