Cumulative standard deviation: Difference between revisions

Content added Content deleted

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@@ Line 4,004: / Line 4,004: @@
 (let loop ((f (standart-deviation-generator))
            (input '(2 4 4 4 5 5 7 9)))
-  (if (not (null? input))
+  (unless (null? input)
-    (begin
       (display (f (car input)))
       (newline)
-      (loop f (cdr input)))))
+      (loop f (cdr input))))
 </syntaxhighlight>