On 6 Apr 2006 23:27:46 -0700, bhavyasai at gmail.com wrote:
>thanks for replying .but we got thses six results:cocci,gm +ve,glucose
>fermenter,catalse producer,manitol fermenter and esculin fermenter.i
>wanted to know if we can generate a dichotomous key invoving less than
>six results.if so what are they?
You'll have to look at the results and figure that out.
In principle, it only takes three characters (each scored as + or -)
to distinguish six classes. In fact, three characters can distinguish
2^3 = 8 classes -- but only if each has a different combination of
results. Try it, as an exercise.