Provides a consistent representation of year-based time scales as a numeric vector with an associated 'era'. There are built-in era definitions for many year numbering systems used in contemporary and historic calendars (e.g. Common Era, Islamic 'Hijri' years); year-based time scales used in archaeology, astronomy, geology, and other palaeosciences (e.g. Before Present, SI-prefixed 'annus'); and support for arbitrary user-defined eras. Years can converted from any one era to another using a generalised transformation function. Methods are also provided for robust casting and coercion between years and other numeric types, type-stable arithmetic with years, and pretty-printing in tables.
Version: 0.5.0 Depends: R (≥ 2.10) Imports: vctrs (≥ 0.3.0), methods, rlang, pillar Suggests: tibble, testthat, covr, knitr, rmarkdown, dplyr, spelling, purrr, tidyr, lubridate Published: 2024-11-20 DOI: 10.32614/CRAN.package.era Author: Joe Roe [aut, cre] Maintainer: Joe Roe <joe at joeroe.io> BugReports: https://github.com/joeroe/era/issues License: MIT + file LICENSE URL: https://era.joeroe.io, https://github.com/joeroe/era NeedsCompilation: no Language: en-GB Materials: README NEWS In views: TimeSeries CRAN checks: era results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=era to link to this page.
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