R: Find the month containing a week

match.week.to.month {bsts} | R Documentation

## Find the month containing a week

### Description

Returns the index of a month, in a sequence of months, that contains a given week.

### Usage

       MatchWeekToMonth(week.ending, origin.month)

### Arguments

`week.ending` | A vector of class `Date`. Each entry contains the date of the last day in a week.
`origin.month` | A `Date`, giving any day in the month to use as the origin of the sequence (month 1).

### Value

The index of the month matching the month containing the first day in `week.ending`. The origin is month 1. It is the caller's responsibility to ensure that these indices correspond to legal values in a particular vector of months.

### Author(s)

Steven L. Scott steve.the.bayesian@gmail.com

### See Also

`bsts.mixed`.

### Examples

      origin.month <- as.Date("2011-09-01")
      week.ending <- as.Date(c("2011-10-01",   ## 1
                               "2011-10-08",   ## 2
                               "2011-12-03",   ## 3
                               "2011-12-31"))  ## 4
      MatchWeekToMonth(week.ending, origin.month) == 1:4

[Package bsts version 0.9.6 Index]