0 mean-ddof ; inline
: meanest ( seq -- x )
- [ mean ] keep [ - abs ] with infimum-by ;
+ [ mean ] keep [ - abs ] with minimum-by ;
GENERIC: sum-of-squares ( seq -- x )
M: object sum-of-squares [ sq ] map-sum ;
dup recip <array> ; inline
: mode ( seq -- x )
- histogram >alist [ second ] supremum-by first ;
+ histogram >alist [ second ] maximum-by first ;
: minmax ( seq -- min max )
[ first dup ] keep [ [ min ] [ max ] bi-curry bi* ] 1 each-from ;