Latent Interactions in Structural Equation Models
Comparison of three aproches of latent interactions in structural equation models,
Practical application of the Binomial Theorem in Computer Science
one-liner for dummy coding
simple and easy dummy coding in R (with NAs)
CFA with a single factor
Fit values for a CFA with a single factor can only be computed with models with more than 3 observed variables.
Find t for a Bezier Curve
Find t of intersection point of circle with radius r with the Bezier curve.
A Simple Method of Sample Size Calculation for Logistic Regression
We consider the case where we want to calculate the sample size for a multiple logistic regression with continous response variable and with continous covariates.
(One-Way) ANOVA is Linear Regression
Demonstration of how a one-way ANOVA is in fact a linear regression model.