cv: Coefficient of Variation

Description Usage Arguments Value References Examples

View source: R/stat-funs.R

Description

Calculate the coefficient of variation (i.e. variation coefficient) for a vector.

Usage

1
cv(x, na.rm = FALSE)

Arguments

x

a numeric vector

na.rm

Passed directly to sd and mean.

Value

a scalar equal to \frac{s_{x}}{\overline{x}}.

References

Weisstein, Eric W. "Variation Coefficient." From MathWorld–A Wolfram Web Resource. http://mathworld.wolfram.com/VariationCoefficient.html

Examples

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x <- 1:5
y <- c(x^2, NA)
cv(x) > cv(y, na.rm = TRUE)

sboysel/boysel documentation built on May 29, 2019, 3:24 p.m.