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Changelog

Source: NEWS.md

inflateR 0.2.0

  • Added inflation_rate() for calculating cumulative or annualised inflation rates between any two years
  • Added list_currencies() to show all supported currencies and their data coverage
  • Added round parameter to all four adjustment functions (round = 2 default preserves backward compatibility; use round = NULL for full precision)
  • All adjustment functions now accept vector amount inputs
  • Refactored internal code: extracted shared helpers to eliminate 4x code duplication across functions
  • Added comprehensive test suite (80+ tests covering all functions, all 13 currencies, error handling, inverse properties, and vectorisation)
  • Updated data-raw/cpi_data.R to cover all 13 currencies and both CPI and GDP deflator series in a single script

inflateR 0.1.3

CRAN release: 2026-03-04

  • Added 5 new currencies: NZD (New Zealand), INR (India), KRW (South Korea), BRL (Brazil), NOK (Norway)
  • Bundled CPI and GDP deflator data for all new currencies (World Bank series)
  • BRL CPI coverage begins 1980; all other new series cover 1960–2024

inflateR 0.1.2

  • Added adjust_real() for GDP deflator-based adjustment (World Bank NY.GDP.DEFL.ZS)
  • Bundled GDP deflator data (1960–2024) for all 8 supported currencies
  • adjust_real() accepts the same currency codes and country names as adjust_inflation()

inflateR 0.1.0

  • Initial release
  • Supports inflation adjustment for GBP, AUD, USD, EUR, CAD, JPY, CNY, and CHF
  • Bundled CPI data from 1960–2024 for all currencies (CNY from 1986)
  • Currency codes and country names both accepted as input (case-insensitive)
  • Data sourced from the World Bank Development Indicators (FP.CPI.TOTL), rescaled to 2020 = 100