season(x, lang = c("en","es"))seasonally(x)is.full_season(x)
Arguments
x: A vector of dates (alternative a numeric vector of months, for season())
lang: Language to use.
Returns
season() returns a factor vector of the same length as x with the trimester of each month. seasonaly() returns a date vector of the same length as x with the date "rounded" up to the centre month of each season. is.full_season() returns a logical vector of the same length as x that is true only if the 3 months of each season for each year (December counts for the following year) are present in the dataset.
Examples
season(1, lang ="en")season(as.Date("2017-01-01"))seasonally(as.Date(c("2017-12-01","2018-01-01","2018-02-01")))is.full_season(as.Date(c("2017-12-01","2018-01-01","2018-02-01","2018-03-01")))