Changes in version 0.1.1 (2026-04-20)                  

  - Rewrote code-dictionary vignette: features all WID Codes Dictionary
    sections and code tables, with widr function calls integrated
    throughout.

                 Changes in version 0.1.0 (2026-03-16)                  

Initial CRAN release.

Download

  - download_wid(): download data from the WID API; returns a wid_df, a
    classed data.frame compatible with dplyr and ggplot2 without
    unwrapping
  - download(): alias for download_wid()

Code grammar

  - wid_validate(), wid_is_valid(): validate WID code components; the
    latter returns a scalar logical without throwing
  - wid_encode(), wid_decode(): convert between variable codes (e.g.
    "sptinc992j") and named component lists
  - wid_search(): search any of the six reference tables by regex

Post-download helpers

  - wid_tidy(): decode variable codes into human-readable columns;
    coerceyear to integer and value to double
  - wid_convert(): currency conversion via WID exchange-rate series;
    supports "lcu", "usd", "eur", "gbp", "ppp", "yppp"
  - wid_metadata(): fetch source and methodological information for the
    variables in a wid_df

Inequality measures

  - wid_gini(): Gini coefficient from a share series
  - wid_top_share(): top fractile income or wealth share
  - wid_percentile_ratio(): percentile ratio (e.g. P90/P10) from a
    threshold series

Plotting

  - wid_plot_timeseries(): time-series line chart; returns a ggplot
    object
  - wid_plot_compare(): cross-country bar or point chart for a single
    year
  - wid_plot_lorenz(): Lorenz curve

Query objects

  - wid_query(): build a reusable query object
  - wid_filter(): update query fields
  - wid_fetch(): execute a query

Cache

  - wid_cache(): get, set, list, or clear cached API responses
  - wid_cache_list(): list cached files
  - wid_cache_clear(): remove all cached files

Reference tables

Six lookup tables synchronised from
https://wid.world/codes-dictionary/:wid_series_types, wid_concepts,
wid_ages, wid_pop_types, wid_countries, wid_percentiles.