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__Sudoku (Excel + Visual Basic Macros)__My wife loves Sudoku puzzles, but they simply frustrate me. Some years ago, I decided to create a solver. My solver is based on brute-force randomization. It just flips a coin when faced with an uncertain choice, and starts over if it is stymied, but an ordinary PC is so fast that virtually any problem can be solved quickly. More sophisticated solvers are available on the web.

**Sudoku Assistant**

**Sudoku Solver**

**Miscellaneous (Excel + Visual Basic Macros)**Weighted voting systems (including the US Electoral College) are serious business. Bible codes are not. This is not a reflection on the Bible. It is a reflection on those who purport to glean mysterious predictive "codes" from biblical text. Critics have shown that the same sort of codes can be gleaned from Moby Dick! Our program shows that simple text ("Bible Code") results from a purely random sequence of letters using the same set-up that so-called experts use.

**Weighted Voting System Calculator**

**Bible Code (i.e. Nonsense) Simulator**

**GitHub Contributions**

**Constrained K-Means Clustering in R**

Shapley Value in R

Marketing Optimization in Python

Shapley Value in R

Marketing Optimization in Python

**Congressional Apportionment**

Ideal Congressional Districting + Tableau Rendition

Optimal Retail Inventory Turnover

Binary Integer Linear Programming

Ideal Congressional Districting + Tableau Rendition

Optimal Retail Inventory Turnover

Binary Integer Linear Programming