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Erik Gfesser

📍 Greater Chicago Area

Google Analytics: 4 Years, 30k pageviews, 145 Countries

According to the Google Analytics account I set up for this blog roughly 4 years ago, two thresholds have just been crossed: 30,000 page views by visitors from 145 countries. About 6 months ago, I reported that the 25,000 page view threshold had been passed by visitors from

New Book Review: "R in a Nutshell"

New book review for R in a Nutshell: A Desktop Quick Reference (Second Edition), by Joseph Adler, O'Reilly, 2012, reposted here: This book is the second that I purchased this past year to get up to speed on the R language and environment, along with "R in

New Book Review: "Drools Developer's Cookbook"

New book review for Drools Developer's Cookbook, by Lucas Amador, Packt Publishing, 2012, reposted here: In my earlier review of "Instant Drools Starter", I mentioned that since it had been several years since I had last used a rules engine to any significant extent on a

Pro Bono: IEEE Chicago Section Statistician - Part 3

This post is the third in a series on my pro bono efforts outside of the workplace as Statistician for the IEEE Chicago Section, a new position that I filled this past year after the membership development team realized that ongoing data analyses and reporting was needed around declining enrollment.

New Book Review: "Revenue and the CMO"

New book review for Revenue and the CMO: How Marketing Will Impact Revenue Through Big Data & Social Selling, by Glenn Gow, Crimson Marketing, 2013, reposted here: This book is all about how the Chief Marketing Officer, and those with similar roles, can bridge the gap between creating more sales

Personal Reading List: 1Q2014

My personal reading list for January, February, and March 2014. Color Key: Special Notes, Currently Queued, Completed Reading. Updated throughout the Quarter. Agile Data Warehouse Design: Collaborative Dimensional Modeling, from Whiteboard to Star Schema, by Lawrence Corr and Jim Stagnitto, DecisionOne Press, 2011. Common Errors in Statistics and How to

Current Print Subscriptions: 4Q2013

My subscriptions to print periodicals as of October, November, and December 2013. Update: * Discontinued Information Management * Discontinued Consulting * Restarted Wired after several segmented subscriptions since 1994 Computerworld * Information Technology magazine. * Weekly. Online version available here. The Economist * Business, political and literary newsweekly. * Weekly. Online version available here. IEEE Spectrum * Technology

No Fluff Just Stuff 2013 Day 3:Gittin' Git

Gittin' Git (Raju Gandhi) November 10, 2013: 2:15 PM – 3:45 PM From the conference materials: Git, at it's core, leverages a relatively simple data structure to maintain history. In this session we will take a look at this data-structure, which in turn will give us

No Fluff Just Stuff 2013 Day 3:Simulation Testing with Simulant

Simulation Testing with Simulant (Stuart Halloway) November 10, 2013: 11:00 AM – 12:30 PM From the conference materials: Simulation allows a rigorous, scalable, and reproducible approach to testing. The separation of concerns, and the use of a versioned, time-aware database, give simulation great power. This talk will introduce simulation

New Book Review: "No Better Time"

New book review for No Better Time: The Brief, Remarkable Life of Danny Lewin, the Genius Who Transformed the Internet, by Molly Knight Raskin, Da Capo Press, 2013, reposted here: The back cover description of this book as "a riveting personal and high-tech story, with a heartbreaking 9/11