mip: Months in Period

Description

Given any starting and ending dates, it generates:
1) a vector of class 'Date' with all the months between the two dates (both of them included), OR
2) the amount of months between the two dates

Usage

mip(from, to, date.fmt = "%Y-%m-%d", out.type = "seq")

Value

Depending on the value of out.type, it returns:

1) a vector of class Date with all the months between from and to (both of them included), OR

2) a single numeric value with the amount of months between the two dates.

Arguments

from: Character indicating the starting date for creating the sequence. It has to be in the format indicated by date.fmt.
to: Character indicating the ending date for creating the sequence. It has to be in the format indicated by date.fmt.
date.fmt: Character indicating the format in which the dates are stored in from and to, e.g. %Y-%m-%d. See format in as.Date.
out.type: character indicating the type of result that is given by this function. Valid values are:
-) seq : a vectorial sequence with all the months within the given year
-) nmbr: the number of days in the vectorial sequence with all the months within the given year

Author

Mauricio Zambrano-Bigiarini, mzb.devel@gmail

Examples

Run this code

# Sequence of monthly dates between "1961-01-01" and "1961-12-31" ##
mip("1961-01-01", "1961-12-31")

## Computing the number of months between "1961-01-01" and "1965-06-30", 
## with the date format  "%d-%m-%Y" ##
mip("01-01-1961", "30-06-1965", date.fmt= "%d-%m-%Y", out.type = "nmbr")