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Data Analytics BlogProgramming
Nov 25 by aptech Posted in Programming

Diagnosing a singular matrix
`G0121: Matrix not positive definite` and `G0048: Matrix singular` are common errors encountered during estimation. Today we will learn how to diagnose these errors using GAUSS code to compute ordinary least squares estimates, using real data from some golf shots hit by this author and recorded by a launch monitor.
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Nov 02 by aptech Posted in Programming

What you need to know about #include
If you have run much publicly available GAUSS code, you have probably come across the `#include` command. In this blog, we answer some important questions about #include:
  1. What does `#include` do?
  2. What is the most common error when using `#include`?
  3. How can I resolve the most common error?
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