Tony> 3-way compare: Tony> filename: bases nntims pickskips Tony> ham:spam: 3668:4099 3668:4099 Tony> 3668:4099 Tony> fp total: 6 6 6 Tony> fp %: 0.16 0.16 0.16 Tony> fn total: 20 20 20 ... What do you use to generate these three-way comparisons? Skip