concstats_gini {concstats}

Gini Index

Description

Gini Index

Usage

concstats_gini(x, normalized = TRUE, na.rm = TRUE)

Arguments

x

A non-negative numeric vector.

normalized

Logical. Argument specifying whether or not a normalized value is required. Must be either TRUE or FALSE. The default is FALSE.

na.rm

A logical vector that indicates whether NA values should be excluded or not. Must be either TRUE or FALSE. The default is TRUE. If set to FALSE the computation yields NA if vector contains NA values.

Value

A single numeric measure.

Examples

# a vector of market shares
x <- c(0.4, 0.2, 0.25, 0.1, 0.05)
concstats_gini(x, normalized = TRUE)
# a vector with NA values
x <- c(0.4, 0.2, 0.25, 0.1, 0.05, NA)
concstats_gini(x, na.rm = FALSE)