Example code for Lesson on Response Campaign planning
Updated May 29, 2015
Variable treatment for R data frames
Updated May 25, 2015
Viewable pages from WinVector LLC
Updated May 23, 2015
Various examples for different articles
Updated Jan 19, 2015
Code and data for "The Geometry of Classifiers"
Updated Dec 19, 2014
Example R scripts and data for "Practical Data Science with R" by Nina Zumel and John Mount (Manning Publications)
Updated Nov 13, 2014
Example automatic differentiation code in Scala
Updated Oct 29, 2014
Java based XML tool to help check Manning Agile Author XML for cross reference problems (Java based, GPL3+ license)
Updated Mar 23, 2014
Experimental logistic regression code supporting multiple result categories, many levels of categorical modeling variables, good optimization, L2 regularization and more.
Updated Dec 16, 2013
Iterate through database tables (by JDBC) and TSV(tab separated values)/CSV(comma separated values) and load/dump data.
Updated Aug 7, 2013
Experimental pure Java revised simplex linear program solver (Apache 2.0 license)
Updated Apr 27, 2013
Java code to build synthetic data sets that match reported summary totals. Helps explore possible range of variation.
Updated Apr 11, 2013
Trivial demonstration of a diverging Newton-Raphson step when solving a logistic regression
Updated Feb 28, 2013
Importance Sampling Example
Updated Jan 1, 2012
Simple example of Locality Sensitive Hashing
Updated Dec 23, 2011
Example of out of core coding techniques
Updated Dec 7, 2011