descriptives: Simple descriptive statistics

In jmbarbone/qpm: Quantitative Psychological Methods

Description

Variance and standard deviation by populations

Usage

variance(x, method = c("sample", "population"), na.rm = TRUE)

stdev(x, method = c("sample", "population"), na.rm = FALSE)

sterr(x, method = c("sample", "population"), na.rm = FALSE)

Arguments

x	A numeric vector
method	Either the "sample" or the "population" calculated
na.rm	Logical, if 'TRUE', 'NA' values are removed
standardized

Examples

x <- c(1:20)
stdev(x)
stdev(x, "p"); stats::sd(x)
variance(c(x, NA), na.rm = TRUE)
sterr(c(x, NA), na.rm = TRUE)

jmbarbone/qpm documentation built on July 25, 2020, 10:41 p.m.