
Calculating the Theil inequality index
theil(x, weighting = NULL, na.rm = TRUE)
a numeric
vector
a numeric
weighting vector, e.g. population
logical argument that indicates whether NA values should be excluded before computing results
A single numeric value of the Theil inequality index (
Since there are several Theil measures of inequality, this function uses the formulation from Stoermann (2009).
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.
# NOT RUN {
# Example from Stoermann (2009):
regincome <- c(10,10,10,20,50)
theil(regincome)
# 0.2326302
# }
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