[Spambayes] z-combining

[T. Alexander Popiel]

In message:  <LNBBLJKPBEHFEDALKOLCEEKHBLAB.tim.one@comcast.net>
             Tim Peters <tim.one@comcast.net> writes:
>[T. Alexander Popiel]
>> Well, I did a z-combining run.  @whee.  It replaces my
>> all-defaults run as cv1.  chi-square remains as cv2.

>> z-combining loses vs. chi-square there, with looser sdevs.
>
>The sdevs actually got smaller overall:

Remember, I had z-combining on the left, and chi-square on the right.
Just to confuse you. ;-)

>The means are so far apart compared to the sdevs, and the extreme
>concentration at the endpoints, though, that random overlap isn't an issue
>with either scheme -- the mistakes these guys make are more fundamental than
>random.

Yup.

- Alex