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Category: Mathematics

Posted onAugust 14, 2024August 14, 2024Mathematics

Where Greedy Optimization Shows Up In Sports

by jdashbrock

Underneath the athletic facade, sports is all about optimization. And perhaps the most commonly employed tactic is greedy optimization. Some might call the strategy “win…

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Posted onJanuary 5, 2024January 5, 2024Football

Applications of Measures of Central Tendency in Sports

by jdashbrock

We all remember the measures of central tendency from middle school: mean, median, and mode. All we heard about was mean, median, and mode, but…

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Posted onNovember 20, 2023November 20, 2023Basketball

NEW Data Jocks NBA Model: The Sparse Impacts Model

by jdashbrock

The Sparse Impacts Model (SIM) is the second iteration of The Data Jocks’ NBA model. Some NBA models assign ratings to teams. An entirely different…

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Posted onSeptember 29, 2023September 29, 2023Mathematics

What is Data Leakage in Machine Learning?

by jdashbrock

Nearly every data scientist or sports analyst has learned a painful first-hand lesson about data leakage. Let me paint a picture. You come up with…

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Posted onSeptember 24, 2023September 24, 2023Mathematics

Page Rank Sports Ranking System and graph theory in Sports

by jdashbrock

Development of a page rank sports ranking system is not a new idea. In fact, it gets to the heart of a central question in…

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Posted onJune 15, 2023June 15, 2023Basketball

AUC & ROC Curves Explained

by jdashbrock

In machine learning and predictive statistics, the name of the game is maximizing prediction accuracy (true positives/negatives) while minimizing error (false positives/negatives). Both ROC Curves…

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Posted onApril 22, 2023April 22, 2023Mathematics

What is XGBoost and a Python XGBoost Tutorial

by jdashbrock

If neural networks dominated the early 2010s, no algorithm dominates modern machine learning discussions like XGBoost. XGBoost is a wildly powerful variant on decision trees…

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Posted onApril 2, 2023April 2, 2023Mathematics

Sklearn Linear Regression Tutorial for Sports

by jdashbrock

Linear regression is the first, easiest, and most versatile tool that statisticians and data scientists will learn. The Sklearn linear regression python class provides the…

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Posted onFebruary 2, 2023February 2, 2023Football

Reverse Engineering Strength of Record in College Football?

by jdashbrock

College football in particular can be particularly divisive when debating the resume of one team over another. One of the tools that ESPN uses to…

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Posted onJanuary 26, 2023January 26, 2023Basketball

The Mathematics Behind The Probability of a Perfect Bracket

by jdashbrock

Everyone loves filling out brackets. It’s a way to flex your knowledge and dunk on your friends. It gives you rooting interests in games you…

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