FIND DATA: By Journal | Sites   ANALYZE DATA: Help with R | SPSS | Stata | Excel   WHAT'S NEW? US Politics | IR | Law & Courts🎵
   FIND DATA: By Journal | Sites   WHAT'S NEW? US Politics | IR | Law & Courts🎵
WHAT'S NEW? US Politics | IR | Law & Courts🎵
If this link is broken, please report as broken. You can also submit updates (will be reviewed).

Unlock Insights in Political Science with Flexible Tree-Based Models

Machine LearningNonparametric MethodsDecision TreesRandom ForestsMethodology@AJPS11 R file2 datasetsDataverse
Methodology subfield banner

Confronted by big political science datasets?

Why Traditional Stats Fall Short

Traditional techniques often struggle with large data, failing to capture nonlinear relationships or easily explore complex interactions.

Introducing Effective Alternatives: Tree-Based Methods

This article examines tree-based nonparametric approaches (like Random Forests and Gradient Boosting) that excel at detecting these patterns even in high-dimensional settings filled with irrelevant variables.

Putting Theory into Practiceullet We explain the fundamental logic of these models clearly.

• Provide an overview highlighting prominent techniques such as classification trees, regression trees, random forests, boosting algorithms, and bagging methods.

• Demonstrate both benefits (handling complexity) and drawbacks (interpreting results in political contexts) through illustrative examples.

What This Means for Political Science Research

The analysis shows how these adaptable tools can enhance understanding of real-world political phenomena from election dynamics to policy impacts.

Article card for article: Tree-Based Models for Political Science Data
Tree-Based Models for Political Science Data was authored by Jacob M. Montgomery and Santiago Olivella. It was published by Wiley in AJPS in 2018.
Find on Google Scholar
Find on JSTOR
Find on Wiley
American Journal of Political Science
Edit article record marker