Blog

Identifying Subgroup Effects in Regression Discontinuity Designs with Model-Based Recursive Partitioning

Model-Based Recursive Partitioning
Machine Learning
Plotting
Simulated Data

A simulation study to demonstrate the ability of model-based recursive partitioning to identify differential effects in a regression discontinuity design (RDD).

Comparing (Stochastic) Mixed-Effects Tree-Based Models in `{LongituRF}` & `{ranger}`

Machine Learning
Decision Trees
Multi-Level Modeling
Model Comparisons
Plotting
Public Data
Tutorial

A comparison of (S)MERTs, (S)REEMtrees, (S)MERFs & Traditional Random Forests.

APA 2021 Poster

Collaboration
Conference
Machine Learning
Multi-Level Modeling
MLM
Plotting
Tutorial

Poster Presented at APA 2021.

APA 2021 Supplemental Material

Collaboration
Conference
Machine Learning
Multi-Level Modeling
MLM
Plotting
Simulated Data
Tutorial

Supplmental Material for the Application of Generalized Linear Mixed-Effects Model Regression Trees with Multi-Modal Data poster presented at APA 2021, co-authored with Matthew C. Graham, Edwin M. Zorilla, Idalis Villanueva Alarcon, Jenefer Husman, & Keith Zvoch

Simulating Non-Linear Interactions

Conference
Multi-Level Modeling
MLM
Plotting
Simulated Data
Tutorial

Simulating 2-level data for APA 2021 Supplemental, so others can follow along.

Simulating Multilevel Linear Data with Interaction

Multi-Level Modeling
MLM
Plotting
Simulated Data
Tutorial

function to simulate multilevel data with interaction.

Quantifying Pandemic-Era Growth in Disc Golf by Webtraffic

Side Projects
Google Trends
Public Data
Plotting
Geographic Data

Trying to figure out why the disc golf course is so crowded these days, with code.

Impact of GKPro Sponsorship on OTB & GKPro Webtraffic

Side Projects
Google Trends
Public Data
SEM
Structural Equation Modeling
Mediation
Bootstrapping
Plotting

An example of leveraging free data to benefit a company, with code.

Introduction to Growth & Parallel Process Models in `{lavaan}`

SEM
Structural Equation Modeling
Mediation
Bootstrapping
Plotting
Simulated Data
Tutorial
Model Comparisons

A tutorial to parameterize and plot results of a parallel process model (PPM) in `{lavaan}`.

An introduction to `{Tidymodels}`: Decision Tree Learning in R

Machine Learning
Decision Trees
Model Comparisons
Plotting
Public Data
Collaboration
Tutorial

Exploring Decision Tree Variants in `{tidymodels}`.

More articles »

Blog