invyrfraction: Inverse Fraction of the Year or Hour
Description
Inverts a fraction of the year or hour to a useful time scale.
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, “monthly” for
months, “hourly” for hours.
text
add an explanatory text to the returned value (TRUE) or return a
number (FALSE).
Value
daym
date (day and month for daily) or fractional
month (for monthly) or fractional of the 24-hour clock (for
hourly).
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. For
hourly it returns the fraction of the 24-hour clock starting from
zero (midnight).