Interactive Learning

Regression Labs

Master econometric methods through hands-on experimentation. Each lab provides interactive tools to build intuition, explore assumptions, and see how specification choices affect your results in real-time.

Interactive Labs

Real-time

Results

100%

Browser-based

📊

OLS Sandbox

BeginnerStart here

Interactive regression playground with real-time coefficient updates, residual plots, and robust standard errors.

Linear RegressionRobust SEsR-squared

Instrumental Variables Lab

Intermediate

Explore instrument strength and exclusion restrictions. Watch first-stage F-statistics change in real-time.

2SLSFirst-stageWeak instruments

Difference-in-Differences

Intermediate

Manipulate treatment timing and group composition. Visualize parallel trends assumptions and event studies.

DiDEvent studyParallel trends

Regression Discontinuity

Intermediate

Adjust cutoffs and bandwidths dynamically. See how local treatment effects change around thresholds.

Sharp RDBandwidthLocal effects

Panel Fixed Effects

Intermediate

Compare within and between variation. Experiment with clustering and two-way fixed effects models.

Panel dataFixed effectsClustering

20-25 min

Interactive

Launch

Suggested Learning Path

Follow this sequence to build your econometric intuition step by step

Start with OLS

Master the fundamentals

Explore Controls

Understand confounding

Try Advanced Methods

IV, DiD, RD, FE

Practice Integration

Combine techniques

Ready to Start Experimenting?

Each lab is designed to be completed in 10-30 minutes. Perfect for classroom demonstrations, self-study, or building intuition before diving into real research.

Start with OLS Lab Review Concepts First

💡 Tip: Each lab includes breadcrumb navigation to easily return to this page