R: Get Basic Information from Chinese ID Number

# Get Basic Information from Chinese ID Number

## Documentation for package ‘CNID’ version 2.1.1

- DESCRIPTION file
- Package README

## Help Pages

age | Get age information from ID number
age_by_year | Get age information from ID number
birth_date | Get date of birth information from ID number
check_id | Check whether the ID number is valid
cnid_info | Get full information from ID number
convert18 | Convert the 15 Digits ID Number to 18 Digits
cstl | Get constellation information from ID number
gender | Get gender information from ID number
leap_year | Calculate whether a given year is a leap year
mdays | Calculate the number of days in a given year and month
region | Get region information from ID number
ydays | Calculate the number of days in a given year
zodiac | Get zodiac information from ID number