Articles by Scott Stoltzman

Data Visualization – Part 1

March 15, 2017 | Scott Stoltzman

Introduction to Data Visualization – Theory, R & ggplot2 The topic of data visualization is very popular in the data science community. The market size for visualization products is valued at $4 Billion and is projected to reach $7 Billion by the end of 2022 according to Mordor Intelligence. While we have seen amazing advances […] [Read more...]

City of Fort Collins Spending Analysis

January 5, 2017 | Scott Stoltzman

Stoltzmaniac is going local in today’s blog post! I dug into the City of Fort Collins open data and published my findings below. The data was surprisingly clean and laid out in JSON format on Amazon S3. This post shows my exploration of the data along with some observations. ...
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Price Volatility – Basic Brownian Motion

December 23, 2016 | Scott Stoltzman

The Situation You are a consultant who has been hired by a business that sells one commodity product. On December 31st the price is $100 per unit. The business owner wants to know what to expect by the end of January. Your client gave you the message: Prices are based off ...
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Seinfeld Characters – A Post About Nothing

December 15, 2016 | Scott Stoltzman

This post is dedicated to my mother – Seinfeld’s greatest fan. Seinfeld is a classic TV sitcom. It featured four main characters surrounded by relatively normal, everyday, run of the mill scenarios. In the spirit of Seinfeld, this post will also “be about nothing.” Load Required Libraries library(scales) library(...
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Crime Analysis – Denver-Part 3

December 5, 2016 | Scott Stoltzman

Marijuana, Alcohol, and Other Drugs Continuing our Exploration of the Data After identifying the sources of crime growth, it’s time to investigate specific crime rates. This blog post addresses drug and alcohol crimes in Denver over the past few years. This is a very simplistic view because it will ... [Read more...]

Crime Analysis – Denver-Part 2

November 18, 2016 | Scott Stoltzman

Getting More Granular Where we’re going In having noticed the crime rates heading up over the last few years, taking a better look seemed more important. I want to first look at “CRIME” before looking into “TRAFFIC” in the data set. It sounds more interesting and I hope the ... [Read more...]

Crime Analysis – Denver-Part 1

November 17, 2016 | Scott Stoltzman

Project Background As we all know, Colorado is considered one of the scariest places on earth. Denver, CO has had an enormous influx of people over the last decade and it is still ramping up. So why did I pick Denver? That’s simple, I have lived in Colorado for ... [Read more...]
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