Articles by Zach Mayer

Parallel random forests using foreach

July 22, 2011 | Zach Mayer

There's been some discussion on the kaggle forums and on a few blogs about various ways to parallelize random forests, so I thought I'd add my thoughts on the issue.Here's my version of the 'parRF' function, which is based on the elegant version in the...
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Importing google news data to R

July 6, 2011 | Zach Mayer

I've been playing around lately with the stock market data available from google finance, through quantmod in R. Here's a function I've written (which depends on the R Data Science Toolkit), to pull news stories related to a stock from google, parse t...
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Kaggle Competition Walkthrough: Wrapup

June 1, 2011 | Zach Mayer

The Kaggle Don't Overfit competition is over, and I took 11th place! Additionally, I tied with tks for contributing the most to the forum, so thanks to everyone who voted for me! I voted for tks, and I'm very happy to share the prize with him, as most...
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Kaggle Competition Walkthrough: Introduction

May 3, 2011 | Zach Mayer

Kaggle is a site for participating in predictive analytics competitions. It is also a great resource for learning how to build powerful predictive models, and the Overfitting competition provides a good introduction to the common tools used by a predic...
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April 22, 2011 | Zach Mayer

This blog will show you how to build tools to survive in the modern world. I will focus on statistics and machine learning, because that's where my strengths lie, but sometime we may find ourselves veering far off course.My primary interest lies in us...
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