[Taxacom] New Interactive Key to Wetland Monocots]

[Les Watson]

> For comparison, using the (roughly) corresponding subset of Clayton's
> 'Grass Species of the World', and using the characters of highest
> separating power, the same identification requires 6 characters. The
> probability of getting the right answer is 0.98^6 = 0.89.

Emphasizing that provision must be made for inevitable mistakes, even
when the system offered comprises good data and a properly designed
program. But surely this requirement (along with trying to minimize the 
number of questions to be answered, etc., etc.) should be obvious to 
anybody aspiring to prepare keys - even to those who can't be bothered 
either contemplating the literature or exploring a few of the readily 
accessible, interactively functional examples.

-- 

Les Watson
10, Maitland Avenue
Little Grove, Albany,         Email: leswatson at westnet.com.au
WA 6330, Australia            Phone: +61 (8) 98 44 4398