Get unique years from a data frame

'get_yrs' extracts and returns the sorted unique years from the 'year' column of a data frame.

Usage

get_yrs(data)

Arguments

data

Dataframe. Must contain a 'year' column.

Value

Integer vector of sorted unique years present in the data.

Examples

df <- data.frame(year = c(2020, 2021, 2020, 2022))
get_yrs(df)
#> [1] 2020 2021 2022