Joseph Adler has many years of experience in data mining and data analysis at companies including DoubleClick, American Express, and VeriSign. He graduated from MIT with an Sc.B and M.Eng in Computer Science and Electrical Engineering from MIT. He is the inventor of several patents for computer security and cryptography, and the author of Baseball Hacks and R in a Nutshell. Currently, he is a principal data scientist at LinkedIn.
Recently, I became interested in maximizing lookup performance in R. Many problems require looking up values in tables. I decided to perform some tests to show how different lookup mechanisms performed in R. If you're not familiar with R, here's... read more
Over the past few decades, statisticians have developed some very sophisticated modeling techniques for finding patterns in data sets. Today, I stumbled on a great analysis of what statistical methods academic bioinformatics researchers use most frequently. It turns out that they rely mostly on simple methods. read more
Last Monday night, I was watching the Ravens playing the Packers at Green Bay. Mostly, I was watching penalties. This game featured an astounding number of penalty calls: 23 calls, 310 yards. I wondered whether penalties really affect the outcome of football games. Here's what I figured out in 15… read more
"I am pleased to report that Adler has risen to the challenge of the highly-regarded Nutshell franchise. As is traditional for the series, this title mixes introduction, tutorial, and reference material in a style that is well suited to a reader who already has a background in programming, but is a new or occasional user of R...As a long-time OReilly reader, I see Joseph Adlers R in a Nutshell as a welcome addition to the menagerie."
--Joel Neely, Sliding up the banister
"This book is a superb introduction to the tool, but it also serves the function of handy desktop companion for exploring further."
--Shawn Day, randomosity
"Are you a baseball aficionado or fanatic who is interested in statistics and want to know how to load this data into a database for analysis? If you are, then this book is for you! Author Joseph Adler has done an outstanding job of writing a book about how to watch, research, and understand baseball...This most excellent book is an instruction manual for the free baseball databases. More importantly, this book is a cookbook for baseball research."
--John Vacca, Amazon.com