REAT (version 3.0.2)

theil: Theil inequality index

Description

Calculating the Theil inequality index

Usage

theil(x, weighting = NULL, na.rm = TRUE)

Arguments

x

a numeric vector

weighting

a numeric weighting vector, e.g. population

na.rm

logical argument that indicates whether NA values should be excluded before computing results

Value

A single numeric value of the Theil inequality index (\(0 < TI < 1\)).

Details

Since there are several Theil measures of inequality, this function uses the formulation from Stoermann (2009).

References

Portnov, B.A./Felsenstein, D. (2010): “On the suitability of income inequality measures for regional analysis: Some evidence from simulation analysis and bootstrapping tests”. In: Socio-Economic Planning Sciences, 44, 4, p. 212-219.

Stoermann, W. (2009): “Regionaloekonomik: Theorie und Politik”. Muenchen : Oldenbourg.

See Also

gini, herf, hoover

Examples

# NOT RUN {
# Example from Stoermann (2009):
regincome <- c(10,10,10,20,50)
theil(regincome) 
# 0.2326302
# }