Nothing
# isoyear_c
# @param date The date of interest
isoyear_c <- function(date = lubridate::today()) {
yr <- format.Date(date, "%G")
return(yr)
}
# isoyear_n
# @param date The date of interest
isoyear_n <- function(date = lubridate::today()) {
yr <- as.numeric(isoyear_c(date))
return(yr)
}
# isoweek_c
# @param date The date of interest
isoweek_c <- function(date = lubridate::today()) {
# wk <- data.table::isoweek(date)
# wk <- formatC(wk, flag = "0", width = 2)
wk <- format.Date(date, "%V")
return(wk)
}
# isoweek_n
# @param date The date of interest
isoweek_n <- function(date = lubridate::today()) {
wk <- as.numeric(isoweek_c(date))
return(wk)
}
# isoyearweek
# @param date The date of interest
isoyearweek <- function(date = lubridate::today()) {
return(sprintf("%s-%s", isoyear_n(date), isoweek_c(date)))
}
# start_of_season
# @param yrwk a
# @param start_week the start week of the season
start_of_season <- function(yrwk, start_week = 30) {
retval <- as.numeric(stringr::str_split(yrwk, "-")[[1]])
yr <- retval[1]
wk <- retval[2]
if (wk >= start_week) {
start <- glue::glue("{yr}-{start_week}")
} else {
start <- glue::glue("{yr-1}-{start_week}")
}
return(start)
}
# start_of_year
# @param yrwk a
start_of_year <- function(yrwk) {
retval <- as.numeric(stringr::str_split(yrwk, "-")[[1]])
yr <- retval[1]
wk <- retval[2]
start <- glue::glue("{yr}-01")
return(start)
}
season.int <- function(yrwk, start_week = 30) {
retval <- as.numeric(stringr::str_split(yrwk, "-")[[1]])
yr <- retval[1]
wk <- retval[2]
if (wk >= start_week) {
start <- glue::glue("{yr}/{yr+1}")
} else {
start <- glue::glue("{yr-1}/{yr}")
}
return(start)
}
# season
# @param yrwk a
# @param start_week the start week of the season
season <- Vectorize(season.int, vectorize.args = c("yrwk"))
# x from week
# @param week week
x <- function(week) {
retval <- week
retval[week >= 30] <- week[week >= 30] - 29
retval[week < 30] <- week[week < 30] + 23
retval[week == 53] <- 23.5
return(retval)
}
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