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Silicon Valley, California Areas of Expertise:
Recent Posts | All O'Reilly Posts Joseph blogs at: March 12 2010 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 moreWhat types of statistical analysis do scientists use most often? January 15 2010 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 moreUsing R to answer a football question December 16 2009 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 moreRecent Posts | All O'Reilly Posts Also find Joseph on:  Recent Twitter posts: Buy Now and Save
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