Ambiguity

Lesshand should be easy to read and write, so its abbreviations should be reasonably unambiguous. To evaluate this aspect of Lesshand, we assign every abbreviation a score called ambiguity. Good abbreviations have low ambiguity.

R010: Unambiguous requires that all abbreviations in Lesshand have an ambiguity of less than 1100.

The calculation of ambiguity is somewhat complex. It is based on summing the memorability of an abbreviation as if it were an abbreviation for any of the most common 4000 words in English, weighted by the frequency of the word.