isLeapYear: Check Leap Year

Description Usage Arguments Details Value Examples

Description

Checks whether or not the elements of its input are leap years.

Usage

1

Arguments

y

numeric vector of years

Details

y is a leap year if it is evenly divisible by 4 and either it is not evenly divisible by 100 or it is evenly divisible by 400, i.e., y%%4 == 0 & (y%%100 != 0 | y%%400 == 0).

Value

logical vector of same length as y indicating whether or not the given years are leap years.

Examples

1
isLeapYear(c(1899:2004))


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