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- Built analysis-ready facility data from Environmental Protection Agency (EPA) hazardous waste records.
- Constructed five facility panels for 2015 to 2023, including a 23,014-facility panel condensed from 10 million waste-line records.
- Raised location coverage from about 40% to 93% of facility-years by matching facilities to the EPA Facility Registry Service.
- Organized 44 R scripts under one master script that downloads the data and rebuilds every output.
- Documented each variable in a data dictionary and wrote 15 briefs on the federal hazardous waste rules behind the records.
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Climate Shocks and Non-Electoral Demand in Authoritarian China2026
- Coded 575 citizen petitions by hand to validate a text-classification pipeline.
- Separated forward-looking adaptation demands from requests for compensation or repair, and recorded which party each petition asked to act.
- Recovered missing casualty and damage figures for major climate disasters in China from Ministry of Emergency Management and news reports.
- Audited 588 prefecture-level records of floods, droughts, and storms from 2021 to 2023.
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European Settlement in South Africa2025
- Georeferenced a 1922 map of European population density in South Africa in QGIS, using 22 control points from GeoNames.
- Traced settled areas as polygons in six density classes, plus one outline of all areas with recorded European residents.
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Commander Diversity and Battlefield Performance in the Chinese Civil War2025
- Compiled career records for a sample of 50 Kuomintang commanders from online sources in simplified and traditional Chinese.
- Recorded birthplaces, party membership, and military schooling, with start and end years for each position held.
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Insurgent Operations in Mandate Palestine2025
- Digitized a 322-entry table of insurgent attacks from David A. Charters, The British Army and Jewish Insurgency in Palestine, 1945–47.
- Logged the date, location, casualties, and responsible groups for each attack.
- Geocoded attack locations to latitude and longitude with GeoNames.
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Succession Rules in Authoritarian Regimes2025
- Coded leadership transitions in ten countries from 1946 to 2024 as ruler-designated succession or open competition.
- Assembled country-year panels from the Geddes, Wright, and Frantz autocratic regimes data.
- Justified each coding decision with written reasoning and sources.
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- Cataloged legal, policy, and housing resources available to unhoused residents of St. Louis.