Plyr tutorial

useR! 2009

Download data, code, and slides (.zip, 3 meg)

Included example code:

• bnames-explore.r — exploration of US baby names
• bnames-cluster.r — expanded example showing how to find cluster of similar names
• tx-explore-houston.r — introduction to housing data with Houston</li>
• tx-explore-all.r — process of model building for large data using all cities in Texas
• nnet.r — fitting a neural network with many random starts and varying parameters

View slides online:

• Introduction
• US baby names
• Modelling large data
• Wrap up