[Spambayes] First result from Gary Robinson's ideas

[Neil Schemenauer]

Here's my result:

bases -> robinsons
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams
-> <stat> tested 300 hams & 300 spams against 1500 hams & 1500 spams

false positive percentages
    0.667  0.667  tied
    0.000  0.000  tied
    1.000  1.000  tied
    0.333  0.333  tied
    0.000  0.000  tied
    0.000  0.000  tied

won   0 times
tied  6 times
lost  0 times

total unique fp went from 6 to 6 tied
mean fp % went from 0.333333333333 to 0.333333333333 tied

false negative percentages
    0.333  0.333  tied
    1.333  1.000  won    -24.98%
    1.667  1.667  tied
    0.333  0.000  won   -100.00%
    1.333  1.000  won    -24.98%
    1.667  0.667  won    -59.99%

won   4 times
tied  2 times
lost  0 times

total unique fn went from 20 to 14 won    -30.00%
mean fn % went from 1.11111111111 to 0.777777777778 won    -30.00%