Too many topics, too little time

Take Web Data Analysis to the Next Level with PHP. 12 Aug 2003: A simple one-way Chi Square analysis procedure discussed in this article can be fruitfully applied to different types of data streams such as access logs, survey results, customer profiles, or customer orders. It will provide you with the hidden awareness and understanding of website statistics beyond simple tabulated raw counts and turn raw data into actionable knowledge. [RootPrompt.org — Nothing but Unix]

this is an interesting article, well worth the look if you are thinking about using web based data analyis