Tactical Logic

At a high level, a data science project has six components in three classes: Objective  What is the intended benefit? How is the prob...

JT Lehman ( JT Lehman ) has a great rule for setting up data science projects: If we only knew _____, then we could do _____ and have impa...

Estimating the 2018 House Elections Nate Silver (http://fivethirtyeight.com/) made a comment about the 2018 U.S. House of Representative...

I started doing data science in 1994. The tools I've used, in no particular order, are  VSAM, JCL, SAS, SQL, PL/SQL, T-SQL, c-shell, P...

A while ago I saw a consultant give a presentation. He had been given 20 campaigns to analyze. He spent a lot of time discussing the one cam...

And the hits keep coming. This story involves a tracking database. The database was tracking long-running campaigns, where the process was t...

Really, really weird. Imagine a company with 2mm customers. Reasonable-sized, not huge. How many people do you know well? Maybe 100 people? ...