Easily Mapping Customer Locations

Occasionally, I need a map. I’m not talking about a beautiful, polished work of art. I just need something that gives me some spacial context and that will be acceptable in a customer presentation. Most frequently I need to see points on a map… sometimes lots of them.If you Google ‘plot points on a map’ … [Read more…]

Udacity’s Secret Ingredient: Positivity, Support and Encouragement

Last week, I finished the 6 course Data Analyst Nanodegree offered by Sabastian Thrun’s Udacity Inc. Even with an above average number of academic credentials behind me, I will venture to say that this was the best educational endeavor I’ve been through yet. When I worked through my undergrad and graduate degrees in economics, I … [Read more…]

A Look at Election Campaign Contributions with R

The state of Florida, every four years, is a definitive swing state in the US Presidential election. Since 1996 – 5 election cycles ago – the candidate that captured Florida’s electoral votes became the next US President. Assuming a strong correlation between campaign contributions and election results and having perfect hindsight of knowing the 2012 Presidential election … [Read more…]

MongoDB & pymongo: Tutorial

In this post I’ll pretend that I am teaching a data science course on collecting, cleaning, storing, and updating data. Rather than pretending my students are computer scientists or software developers, I’ll pretend that they are business analysts or college grads going on to become business analysts. However, I’ll assume they know some programming (python), … [Read more…]

MongoDB & pymongo: Step by Step

As I ventured into Lesson 4 in Udacity’s Data Wrangling with MongoDB, I really wanted to run the first script — inserting a record into the database — locally. I feel like I really damaged the sanctity of my files by installing, uninstalling, messing with permission, etc. for hours in all different locations in my … [Read more…]

Worksheet for Udacity’s Intro Statistics Courses

I’ve created an ‘in-progress’ google spreadsheet for a lot of the exercises and examples in Udacity’s Intro Statistics courses (Intro to Descriptive Statistics & Intro to Statistical Inference) — link is below. When I used to teach finance, I taught class with spreadsheets like this one rather than with powerpoint. Preparing this kind of document … [Read more…]