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Fourier Transforms, Fraud, and Fun
I recently backwards engineered the algorithm that some unsavory characters were using to brute force find real credit card numbers and fraudulently charge them. The backbone to reverse engineering their algorithm was the Fourier Transform. I think that this is […]
Box-Cox Transforms and Other Nonparametric Normalization Methods
So that is a bit of a snarky title. Today, I want to talk about techniques that you can use to transform non-normal data into a distribution that makes way more sense. This can be useful for all kinds of […]
Publishing a Bokeh App to Heroku
This is the last of three posts. In the first post we did some really fun Bayesian modeling. Specifically, we built a longitudinal or panel data model using a Bayesian model with fixed effects for states and time. And what […]
Christmas Give Away Winner
My first order of business is to announce the winner of my Christmas giveaway. This past Christmas, I was running a giveaway for some free time to spend with me for some data science coaching and a fifty dollar gift […]
Creating an Interactive Visualization With Bokeh
Last post, I created a model that would predict what effect changing the taxes on cigarettes would have on health care expenditures. That model was fun to build, but it is difficult to get a feel for what is going […]
Bayesian Panel Data Cigarette Tax Analysis
Cigarette Taxes TL;DR Raising the cigarette tax by one cent in every state will save us about $1 billion per year. In the grand scheme of health care costs, it isn’t that much money. So with this post, I wanted […]
Christmas Give Away
Guess what? I’m giving away an hour of data science coaching and a $50 gift card for Christmas this year. That’s right, ho ho ho! Merry Christmas! On every page on the website you will see a nice little opt […]
Why I am Offering Coaching Sessions
Why Coaching Usually I post a tutorial about a data science topic, sometimes I write a post about something a little bit more meta about data science like how to get started as a new comer, on occasion I’ll recommend […]
Logistic Regression in R
Logistic regression was like magic the first time that I saw it. I grasped the utility almost immediately, but then I was shown how to hang economic theory on top of logistic regression and my face melted! Then I learned […]
Bayesian Auto-Regressive Time Series Analysis in PYMC3
I have written a lot of blog posts on using PYMC3 to do bayesian analysis. And I have a few where I have even dealt with Time-Series datasets. To name a one, I have done one on time varying coefficients. […]
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