fix 492: clarifying difference between SD and SE

kassambara · Nov 22, 2022 · c25039d · c25039d
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diff --git a/NEWS.md b/NEWS.md
@@ -13,6 +13,7 @@
 - `stat_compare_means()`: The dot-dot notation (`..p.signif..`) was deprecated in ggplot2 3.4.0; `after_stat(p.signif)` should be used; updated so that `..p.signif..` is automatically converted into `after_stat()` format without warning for bacward compatibility.
 - Enable faceting by column names with spaces (#391)
 - Licence changed to GPL (>= 2) (#482)
+- `desc_statby()` doc updated to clarify the difference between SD (standard deviation) and SE (standard error) (#492)
 
 
 ## Bug fixes

diff --git a/R/desc_statby.R b/R/desc_statby.R
@@ -17,8 +17,8 @@
 #' \item \strong{mean}: mean
 #' \item \strong{iqr}: interquartile range
 #' \item \strong{mad}: median absolute deviation (see ?MAD)
-#' \item \strong{sd}: standard deviation of the mean
-#' \item \strong{se}: standard error of the mean
+#' \item \strong{sd}: standard deviation of the sample
+#' \item \strong{se}: standard error of the mean. It's calculated as the sample standard deviation divided by the root of the sample size.
 #' \item \strong{ci}: confidence interval of the mean
 #' \item \strong{range}: the range = max - min
 #' \item \strong{cv}: coefficient of variation, sd/mean

diff --git a/man/desc_statby.Rd b/man/desc_statby.Rd