AOL Keyword Tool

AOL has released more than 20M web queries collected from ~650k users over three months (from March 1, 2006 - June 1, 2006). We'd like to present an easy web interface to analyze current data enhanced by most advanced stats.
 Queries  Unique users  Referrers  Average Click Position
hierarchical regression 1 1 2
f obtained must be significant before we can do a post hoc test 1 1 3
witch torture 1 1 88
levene's test for equality of variances 1 1 8