statsguidetree

Random Forest in R for Classification and Regression

Propensity Score Analysis in R with Nearest Neighbor, Optimal Pair, and Optimal Full Matching

What is P-Hacking & P-Values

Data Splitting using Cross Validation and Bootstrap in R

Multidimensional IRT and DIF in R with mirt

Estimate Reliability in R with Alpha, Omega, and Kappa

Reduce Test Length with IRT models in R

Multilevel Modeling in R Predicting NYC Vaccination Rates

Logistic Regression with Variable Selection and Categorical Data Analysis in R

General Comparison of Psychometric Models IRT & CDM

IRT GRM model and DIF for Ordinal Polytomous data in R

Differential Item Functioning DIF in R with IRT & non-IRT (Detecting Bias Items)

Hierarchical Clustering in R for UFC Fighter Analytics

IRT Models (Rasch, 2PL, & 3PL) in R with ltm package

MC-DINA (CDM) model in R with GDINA

DINO (CDM) model in R for Depression Symptoms

DINA (CDM) model in R with CDM package