Two Stage Least Squares with Model Implied Instrumental Search (MIIVsem)
Functions for estimating structural equation models using a model-implied instrumental variable (MIIV) search and two stage least squares (2SLS) estimator (MIIV-2SLS).

Detecting Change-Points via VIFCP Method (VIFCP)
Contains a function to support the paper ‘A sequential multiple change-point detection procedure via VIF regression’.

Hierarchical Data Structures (data.tree)
Create tree structures from hierarchical data, and use the utility methods to traverse the tree in various orders. Aggregate, print, convert to and from data.frame, and apply functions to your tree data. Useful for decision trees, machine learning, finance, and many other applications.