ci                      Calculates different type of concentration
                        indexes
confint.hci             Confidence intervals for 'hci' objects
contribution            Function to decompose the Relative
                        Concentration Index into its components
correct_sign            Corrects negative values in the health variable
decomposition           Decomposition analysis
housing                 Artificial example data on housing conditions
plot.decomposition      Plots a barplot of the contribution percentages
                        in a 'decomposition' object. Sets custom plot
                        margins and uses the graphical parameters
                        'xlim', 'horiz', 'las' and 'xlab' which
                        therefore cannot be customized
plot.hci                Plots the concentration curve for an 'hci'
                        object.
print.decomposition     Print function for 'decomposition' objects.
print.hci               Prints an 'hci' object.
rank_gwt                Generalized weighted ranking function
rank_wt                 Calculates the weighted rank
summary.decomposition   Prints and returns a summary for a
                        'decomposition' object.
summary.hci             Prints the a summary of the concentration index
                        object 'hci'
var_wt                  Calculates the weighted variance
