Inverts a fraction of the year to a date variable or month fraction.
Usage
invyrfraction(frac, type="daily", text=TRUE)
Arguments
frac
a vector of fractions of the year, all between 0 and 1.
type
daily for dates, or monthly for months.
text
add an explanatory text to the returned value (TRUE) or return a number (FALSE).
Value
daymdate (day and month for daily) or fractional month (for monthly).
Details
Returns the day and month (for daily) or fraction of the month (for monthly) given a fraction of the year. Assumes a year length of 365.25 days for daily. When using monthly the 1st of January is 1, the 1st of December is 12, and the 31st of December is 12.9.