Data & Resources

Replication Materials

• Replication data and R-files for "Battle Diffusion Matters: Examining the Impact of Microdynamics of Fighting on Conflict Outcomes and Termination." Journal of Conflict Resolution. Available at the publisher's website.
• Replication data and R-files for "Why Does Ethnic Partition Foster Violence? Unpacking the Long-Term Determinants of Civil Conflicts." Journal of Peace Research. TBA
• Replication data and R-files for "Destruction from Above: Long-Term Impacts of WWII Tokyo Air Raids." TBA
• Replication data and R-files for "Escalation with Relocation: Unpacking the Local Geography of Aid and Battle Intensity in Civil Conflicts." TBA
• Replication data and R-files for "How Do You Strike Me? Decomposing the Determinants of Selective and Indiscriminate Violence in Civil Conflicts." TBA
• Replication data and R-files for "Modeling the Determinants of Insurgent Violence in Afghanistan." TBA

R

Data Construction, Econometrics, and Causal Inference

• Supplements to my undergraduate-level course "Econometrics and Statistical Programing in R" (Autumn 2017)
  • Simulation: Central Limit Theorem, confidence intervals, Law of Large Numbers, biases in regression estimates, etc.
  • Data: API and web scraping for (near-realtime) data construction
    • See my course slides for explanations. Additional simulations are also available at the course webpage.
• API scripts for extracting the UN Comtrade Dataset in R
  • UN Comtrade subscription required
• API scripts for extracting Twitter user information in R (TBA)
  • Twitter developer account required
• Matching and (re)weighting in R (TBA)
• Sensitivity (bias) analysis for causal inference in R (with the assumption of selection on observables, TBA)
  • Imbens's (2003) sensitivity analysis
  • E-vlaue analysis (Ding & VanderWeele, 2016; VanderWeele & Ding, 2017)
  • Simulating the impacts of unmeasured confounding on treatment effect estimates with R (TBA)
• Causal mediation analysis in R (TBA)
• k-fold cross-validation for out-of-sample (binary) predictions (TBA)

Geoprocessing and Image Analysis

• Geo-referencing aerial imagery with R and GDAL (TBA)
• Geographical image segmentation and analysis in R and Orfeo Toolbox (TBA)
  • Mean-shift image segmentation
  • Geometric feature extraction
  • Contrast enhancing and dynamic range correction
• Faster and efficient geoprocessing and GDAL wrapper functions for R (TBA)

Armed Conflicts

• API scripts for extracting and combining geocoded battle event datasets during civil conflicts (TBA)

International Trade and Gravity Model

• Visit the website of the Center for Far Eastern Studies, University of Toyama

LaTeX Resources for Hiroshima Scholars and Students

• LaTeX Beamer theme for Hiroshima Scholars and Students (TBA)