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math.statistics: remove probabilities word, not really needed.

db4
John Benediktsson 2012-09-26 08:32:30 -07:00
parent ca69afec31
commit 6072e58db3
1 changed files with 0 additions and 3 deletions
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basis/math/statistics/statistics.factor
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@ -333,9 +333,6 @@ ALIAS: corr sample-corr
: cum-max ( seq -- seq' ) : cum-max ( seq -- seq' )
dup ?first [ max ] cum-map ; dup ?first [ max ] cum-map ;
: probabilities ( seq -- probabilities )
[ histogram values ] [ length ] bi v/n ;
: entropy ( probabilities -- n ) : entropy ( probabilities -- n )
dup sum '[ _ / dup log * ] map-sum neg ; dup sum '[ _ / dup log * ] map-sum neg ;