From 37c9d02b294f61066186fe41092d989e2d5afdee Mon Sep 17 00:00:00 2001 From: Edwin Thoen Date: Wed, 20 Jun 2018 11:07:52 +0200 Subject: [PATCH] added root to msd (#650) --- transform.Rmd | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/transform.Rmd b/transform.Rmd index 7adcb3e..676de52 100644 --- a/transform.Rmd +++ b/transform.Rmd @@ -676,7 +676,7 @@ Just using means, counts, and sum can get you a long way, but R provides many ot ) ``` -* Measures of spread: `sd(x)`, `IQR(x)`, `mad(x)`. The mean squared deviation, +* Measures of spread: `sd(x)`, `IQR(x)`, `mad(x)`. The root mean squared deviation, or standard deviation or sd for short, is the standard measure of spread. The interquartile range `IQR()` and median absolute deviation `mad(x)` are robust equivalents that may be more useful if you have outliers.