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DESCRIPTION
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DESCRIPTION
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Package: era
Type: Package
Title: Year-Based Time Scales
Version: 0.4.1.9000
Authors@R: person("Joe", "Roe", email = "joe@joeroe.io",
role = c("aut", "cre"), comment = c(ORCID = "0000-0002-1011-1244"))
Description: 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.
Language: en-GB
License: MIT + file LICENSE
URL: https://era.joeroe.io, https://github.com/joeroe/era
BugReports: https://github.com/joeroe/era/issues
Encoding: UTF-8
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.2.3
Depends:
R (>= 2.10)
Imports:
vctrs (>= 0.3.0),
methods,
rlang,
pillar
Suggests:
tibble,
testthat,
covr,
knitr,
rmarkdown,
dplyr,
spelling,
purrr,
tidyr,
lubridate
VignetteBuilder: knitr
Config/testthat/edition: 3