datetoiso

Copy Link

Version

Install

install.packages('datetoiso')

Monthly Downloads

285

Version

1.2.1

License

MIT + file LICENSE

Maintainer

Lukasz Andrzejewski

Last Published

December 16th, 2025

Functions in datetoiso (1.2.1)

get_max_score_within_data_formats

Score each of date format ymd, ydm, dmy, dym, mdy, myd and return only the highest score

get_full_name_months_sep_by_vertical_bar

Get vector with full name of months separated by vertical bar

find_ydm_date_format

Find YDM dates only

reconcile

Reconcile Two Versions of a Data Frame

dfiso

Function recognize date variables and modify them to ISO standard ("International Organization for Standardization")

get_same_class

Harmonizes variable classes between two data frames

impute_date

Impute Missing Components in Partial Date Strings

get_months_sep_by_vertical_bar

Get vector with full and abbreviated name of months separated by vertical bar

get_months_full_names

List month names: full names in lower case

get_number_of_symbols_in_string

Function to find number of symbols in date

find_only_dates

Return TRUE if data frame column or vector contains date

find_unknow_date

Find Unknown date, defined as UN or UNK

get_abbreviated_month_name

Replace full month name by abbreviated month name

Impute Missing Components in Partial Date Strings

viso

transform date vector to date vector in ISO standard ("International Organization for Standardization")

has_dash_or_slash_or_white_space_characters_or_months_separated_by_vertical_bar

Function return special characters and months separated by vertical bars

impute_date_ymd

Impute Missing Components in Partial Date Strings

has_dash_or_slash_or_white_space_characters_separated_by_vertical_bar

Function return special characters separated by vertical bars

get_up_to_12_char

function return observations with up to 12 characters

remove_no_date_characters

Remove unnecessary characters from date-like strings

remove_unnecessary_part_of_date

Get substring of date to eliminate unnecessary part

reconcile_without_index

Reconcile Two Data Frames

check_day_correctly_entered_dmy

Check if Day Component is Valid in dmy date type

choose_mdy_format

Get TRUE if date format is mdy

choose_dym_format

Get TRUE if date format is dym

check_if_year_month_day_entered

Check if a vector contains a complete date

check_if_month_year_entered

Check if a Vector Contains a Month and Year

check_if_year_month_entered

Check if a Vector Contains a Year and Month

choose_dmy_format

Get TRUE if date format is dmy

check_if_only_year_entered

Check if a Vector Contains only Year

check_day_correctly_entered_ymd

Check if Day Component is Valid in ymd date type

find_mdy_date_format

Find MDY dates only

choose_ydm_format

Get TRUE if date format is ydm

choose_ymd_format

Get TRUE if date format is ymd

find_dym_date_format

Find DYM dates only

choose_myd_format

Get TRUE if date format is myd

clean_date

Prepare and normalize date-like strings before YMD conversion

compare_rows_with_same_index

Identifies and summarizes value-level changes between two datasets

find_ymd_date_format

Find YMD dates only

get_months

List month names: full names and abbreviated names in lower case