[Spambayes] Mixed combining

T. Alexander Popiel popiel@wolfskeep.com
Sat Oct 19 18:32:46 2002


In message:  <LNBBLJKPBEHFEDALKOLCKEKLBMAB.tim.one@comcast.net>
             Tim Peters <tim.one@comcast.net> writes:
>[T. Alexander Popiel]
>> Anyway, here's the tables:
>>
>> Mixed, .9 chi-squared, 0.10-0.90 unsure:
>> -> <stat> tested 50 hams & 200 spams against 450 hams & 1800 spams
>> [...]
>> -> <stat> tested 200 hams & 50 spams against 1800 hams & 450 spams
>> ham:spam:   50-200  75-175 100-150 125-125 150-100  175-75  200-50
>> fp total:        2       3       3       3       3       2       2
>> fp %:         0.40    0.40    0.30    0.24    0.20    0.11    0.10
>> fn total:        5       6       4       5       6       7       9
>> fn %:         0.25    0.34    0.27    0.40    0.60    0.93    1.80
>> unsure t:       46      44      45      42      52      51      52
>> unsure %:     1.84    1.76    1.80    1.68    2.08    2.04    2.08
>> real cost:  $34.20  $44.80  $43.00  $43.40  $46.40  $37.20  $39.40
>> best cost:  $28.60  $28.20  $34.00  $33.20  $34.20  $30.40  $23.80
>> h mean:       3.61    2.70    2.47    2.30    2.29    2.21    1.99
>> h sdev:       8.09    6.15    6.13    5.93    6.13    5.84    4.79
>> s mean:      97.08   96.69   96.33   95.84   94.94   94.34   92.25
>> s sdev:       6.48    7.71    8.63   10.21   12.73   13.67   17.09
>> mean diff:   93.47   93.99   93.86   93.54   92.65   92.13   90.26
>> k:            6.42    6.78    6.36    5.80    4.91    4.72    4.13
>
>This is a nice way to present summary info.  Are these produced by your
>table2.py?  If so, I know where to find that -- would you consider
>contributing it to the project?

Yes, it's produced by table2.py.  Feel free to use it.  I just created
a sourceforge account for myself (username popiel), just in case you
feel the urge to add me as a developer.

- Alex