Phil Chalmers

devtools

Tools for detecting and summarize influential cases that
can affect exploratory and confirmatory fac...

A collection of matrix functions for teaching and learning matrix
linear algebra as used in multivar...

Analysis of dichotomous and polytomous response data using
unidimensional and multidimensional laten...

Provides tools to generate an HTML interface for creating adaptive
and non-adaptive educational and ...

Provides tools for more easily organizing and
plotting individual ordinary least square (OLS) growth...

A lightweight package that adds
progress bar to vectorized R functions
('*apply'). The implementatio...

Contains a graphical user interface to generate the diagnostic
plots proposed by Bauer (2005) and Pe...

The purpose of this package is to factor out logic and math common
to Item Factor Analysis fitting, ...