In hmalmedal/weeknumber: A Class for Week Numbers

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A Class for Week Numbers

A class for week numbers, according to ISO 8601.

Documentation

• https://hmalmedal.github.io/weeknumber/

Installation

Install from GitHub:

remotes::install_github("hmalmedal/weeknumber")

Examples

Coercion to the week number class:

library(weeknumber)
as_weeknumber(c(-1:1, 51:52, NA))
as_weeknumber("2000-W01")
as_weeknumber(as.Date("2000-12-28"))

Make week number object from year and week:

make_weeknumber(2000:2001, 4:5)
make_weeknumber(2019:2020, 53)

Get year and week number from an object:

x <- as_weeknumber(c(-1:1, 51:52, NA))
year_week(x)

Print a tibble:

set.seed(0)
library(tibble)
d <- tibble(
  x = seq(as_weeknumber("2000-W01"), as_weeknumber("2000-W09")),
  y = cumsum(rnorm(length(x)))
)
print(d)

Plot with week number scale:

library(ggplot2)
p <- ggplot(d, aes(x, y)) +
  geom_line()
print(p)

hmalmedal/weeknumber documentation built on May 13, 2020, 1:52 p.m.