# Category Archives: Data Analysis

*Will it Python?* Machine Learning for Hackers, Chapter 5: Linear regression (with categorical regressors)

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/ml4h-ch5.html Thanks, -c.

*Will it Python?* Machine Learning for Hackers, Chapter 4: Priority e-mail ranking

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/ml4h-ch4.html Thanks, -c.

*Will it Python?* Machine Learning for Hackers, Chapter 2, Part 2: Logistic regression with statsmodels

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/ml4h-ch2-p2.html Thanks, -c.

*Will it Python?* Machine Learning for Hackers, Chapter 3: Naive Bayes Text Classification

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/ml4h-ch3.html Thanks, -c.

## How do you speed up 40,000 weighted least squares calculations? Skip 36,000 of them.

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/lowess-speed.html Thanks, -c.

*Will it Python?* Machine Learning for Hackers, Chapter 1, Part 2: Cleaning date and location data

UPDATE 1/15/2014: This blog is no longer in service. This post is now located at: http://slendermeans.org/ml4h-ch1-p2.html Thanks, -c.