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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Averages-Simple-moving-average/Scheme/averages-simple-moving-average.ss Normal file
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(define ((simple-moving-averager size . nums) num)
(set! nums (cons num (if (= (length nums) size) (reverse (cdr (reverse nums))) nums)))
(/ (apply + nums) (length nums)))
(define av (simple-moving-averager 3))
(map av '(1 2 3 4 5 5 4 3 2 1))