Tools for calculating deprivation measures and analysing health outcomes and mortality by deprivation.
Included are the functions: zscore() and w_pcntile() for developing deprivation measures and the functions smr(),
st_rate() and rii() for calculating standardized mortality ratios, direct standardized rates and Slope and Relative
indices of Inequality (SII and RII). Test data is included (dep_data and health_data).
The RII/SII are calculated following Pamuk ER (1985)