Wheel Of Fortune – Bayesian Inference
PREFACE Previously, I tackled the Gambler’s Ruin problem using conditional probability and difference equations as well as visualising the simulations of the proble...
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5 Minute Analysis: Simplifying Iowa Liquor Sales
In this 5 Minute Analysis we’ll preprocess, map, and explore complicated sales data for liquor stores in Iowa. Then we’ll extract the relevant latitude and longit...
Linear regression in Python: Using numpy, scipy, and statsmodels
The original article is no longer available. Similar (and more comprehensive) material is available below. Example of underfitted, well-fitted and overfitted models Con...
Common Errors in Machine Learning due to Poor Statistics Knowledge
Probably the worst error is thinking there is a correlation when that correlation is purely artificial. Take a data set with 100,000 variables, say with 10 observations. ...
Simple Trick to Normalize Correlations, R-squared, and so on
Many statistics, such as correlations or R-squared, depend on the sample size, making it difficult to compare values computed on two data sets of different sizes. Here, w...
Build vs. Buy: The Conundrum Facing the Commercial Insurance Industry as It Embraces an AI-Based Future
Artificial intelligence (AI) seemingly has been discussed everywhere over the last few years, and now it’s made its way into the commercial insurance industry. Organiza...
Making New Drugs with a Dose of Artificial Intelligence
Originally posted by John Bowden. There is a meeting of the world’s most renowned scientists once in two years. These meetings are held to tackle biological puzzles t...
Using a Schema to Construct a Metrics Regime
A schema is a conceptual framework. It can function as a lens through which to study data. When I was conducting research on workplace stress to do my graduate degree...
Updated ggmap Tutorial!
Y’all it may have taken me a little time, but I did listen. Thank you for your emails. Because of you, I have now updated my ggmap tutorial to address the Google Static...
Classification and Regression Trees
Learn about CART in this guest post by Jillur Quddus, a lead technical architect, polyglot software engineer and data scientist with over 10 years of hands-on experience ...