Function reference • ExtendDataFrames

Class constructor and validator

Class constructor and validator functions

birthdays(): Constructor for creating a subclass of `<data.frame>` called `<birthdays>`

validate_birthdays(): Class validator for `<birthdays>`

Print method

A print method for <birthdays> class

print(<birthdays>): Print method for `<birthdays>`

Getters, setters and subsetters

Functions to extract and modify birthdays class objects

`[`(<birthdays>): Subset function for `<birthdays>` with downgrade-on-subsetting

`names<-`(<birthdays>): Set names on `<birthdays>` class

`$<-`(<birthdays>): Set accessor for `<birthdays>` class

Accessory methods

Functions to compute statistics from <birthdays> class

birthday_paradox(): Calculates any matching birthdays in the data and the probability of having a matching birthday (i.e. birthday paradox)

birthdays_per_month(): Count number of birthdays per month in each year from a `<birthdays>` object