check_if_only_year_entered: Check if a Vector Contains only Year

In datetoiso: Convert and Impute Dates to ISO Standard ("International Organization for Standardization")

Check if a Vector Contains only Year

Description

This function determines whether the elements of a vector contain only **year** It returns a logical vector indicating which elements meet this criterion.

Usage

check_if_only_year_entered(
  data_frame,
  column_name,
  separator = "-",
  month = "UNK",
  day = "UN"
)

Arguments

data_frame	data frame
column_name	name of column that keeps dates to be imputed
separator	by default "-" it is a day-month-year separator, for example "2024-10-21" has "-" separator
month	by default "UNK" - the format of unknown month
day	by default "UN" - the format of unknown day

Value

A logical vector

Author(s)

Lukasz Andrzejewski

datetoiso documentation built on Dec. 7, 2025, 9:06 a.m.