find_unknow_date {datetoiso}

Find Unknown date, defined as UN or UNK

Description

Find Unknown date, defined as UN or UNK

Usage

find_unknow_date(df_column)

Arguments

df_column

data frame date column or vector with dates

Value

logical vector, TRUE if "un" character is found but not "jun"

Author(s)

Lukasz Andrzejewski