VPSPulse Mirrors
High-Performance Open-Source Archive
NEWS
inequality 0.1.0
Inequality indices
- Gini coefficient with bootstrap or asymptotic (jackknife) confidence
intervals via
iq_gini(), following Davidson (2009).
- Extended S-Gini family with adjustable inequality aversion parameter
via
iq_sgini(), following Donaldson and Weymark
(1980).
- Theil T (GE(1)), mean log deviation (GE(0)), and general GE(alpha)
via
iq_theil(), following Theil (1967) and Shorrocks
(1980).
- Atkinson index with inequality aversion parameter via
iq_atkinson().
- Kolm absolute inequality index via
iq_kolm().
- Palma ratio (top 10% / bottom 40% income shares) via
iq_palma().
- Hoover index (Robin Hood / Pietra index) via
iq_hoover().
- Percentile ratios (P90/P10, P80/P20, custom) via
iq_percentile_ratio().
Distribution and
decomposition
- Lorenz curve with base graphics plot method via
iq_lorenz().
- Between-within group decomposition for the generalised entropy
family via
iq_decompose(), following Bourguignon
(1979).
- Income share tabulation (bottom 50%, middle 40%, top 10%, top 1%)
via
iq_shares().
- Concentration index for health inequality with optional Erreygers
(2009) correction via
iq_concentration().
- Wolfson bipolarisation index via
iq_polarisation().
Poverty
- Foster-Greer-Thorbecke poverty measures (headcount, gap, severity),
Sen index, and Watts index via
iq_poverty().
- Growth incidence curve with plot method via
iq_growth_incidence(), following Ravallion and Chen
(2003).
Fiscal
- Kakwani progressivity index and Reynolds-Smolensky redistribution
index via
iq_kakwani().
Utilities
- Side-by-side comparison of all major indices via
iq_compare().
- All functions accept optional survey weights.