sd_pooled: Pooled Standard Deviation
Description
The Pooled Standard Deviation is a weighted average of standard deviations for two or more groups, with more "weight" given to larger sample sizes.
Usage
sd_pooled(x, y = NULL, data = NULL)mad_pooled(x, y = NULL, data = NULL)
Arguments
x
A continuous variable or a formula.
y
A continuous variable, a factor with two groups or a formula.
data
An optional data frame containing the variables.