From 3b36e969b20f174880d9aa24fcb2dc1f0b5400b5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Lindqvist?= Date: Sat, 24 Feb 2018 20:09:36 +0100 Subject: [PATCH] math.statistics: the sample and population mean is the same Afaik, the mean word works both for population data and for samples. Which is different from standard deviations, where you have different formulas for population and sample std. --- basis/math/statistics/statistics.factor | 3 --- 1 file changed, 3 deletions(-) diff --git a/basis/math/statistics/statistics.factor b/basis/math/statistics/statistics.factor index 15693f999f..79bbeb046f 100644 --- a/basis/math/statistics/statistics.factor +++ b/basis/math/statistics/statistics.factor @@ -16,9 +16,6 @@ IN: math.statistics : mean ( seq -- x ) 0 mean-ddof ; inline -: unbiased-mean ( seq -- x ) - 1 mean-ddof ; inline - : sum-of-squares ( seq -- x ) [ sq ] map-sum ; inline