Forecasting Continued: Using Simulation to Create Prediction Intervals Around Holt-Winters

NOTE: In this post we’ll be implementing prediction intervals around the Holt-Winters forecast using Monte Carlo simulation on the error correction/state space model equations for Holt-Winters. Read this post first! … Continue Reading →


Author note: I’m still alive! (Just writing a book)

Hey folks. John here. I know I haven’t updated the blog in a while. Although I did just post a new forecasting tutorial that’s a lot of fun if you … Continue Reading →


Intrusion Detection Made Skeezy: How do you find the DEA in a haystack?

NOTE: In this post we’ll be implementing the Local Outlier Factor algorithm introduced in 2000 by Breunig et. al. I’d highly recommend following along in the spreadsheet for this post. And don’t … Continue Reading →


Forecasting Made Skeezy: Projecting Meth Demand using Exponential Smoothing

NOTE: I’d highly recommend following along in the spreadsheet for this post. And don’t forget to sign up for the newsletter to hear about future Analytics Made Skeezy tutorials. It’s been three … Continue Reading →


Check Yo Self: 5 Things You Should Know About Data Science (Author Note)

Hey folks. I’m going to take a brief break from the narrative to talk to you directly about data science as a discipline. There’s a lot of noise floating around … Continue Reading →


Introduction to Machine Learning: Logistic Regression for Predicting Bad Trips

NOTE: This one is pretty complex, so I’d highly recommend following along in the spreadsheet for this post. And don’t forget to sign up for the newsletter to hear about future Analytics Made … Continue Reading →


Had a Little Run-in with the Federales

Two days after I got back from Europe, there was another early morning knock on the frat house door. Graham pulled me out of bed, fuming, “Dude, you gotta stop … Continue Reading →


MDA for MDMA: Multi-criteria Decision Analysis and ecstasy pill design

NOTE: Here is the spreadsheet for this post if you’d like to follow along. This is gonna be an awesome sheet to have laying around just as a refresher on … Continue Reading →


Even Wholesale Drug Dealers Can Use a Little Retargeting: Graphing, Clustering & Community Detection in Excel and Gephi

NOTE: Here’s the final spreadsheet for this post if you’d like to work along with Alex and Victor. No drugs needed. Two days later, I was walking to class at … Continue Reading →


Revenue Management for Meth Dealers in Flint

Note: Don’t forget to sign up for the Analytics Made Skeezy newsletter to receive future skeezy analytics tutorials. cheers, John When I left Victor that first time, my head was … Continue Reading →