how many weeks to r when does the last week of r time series in r how many weeks how many weeks are in the last week of each year? how many weeks in a year in time series when is the last week in r how many weeks in one week when to use time series data in r what is number of weeks in a year in r what is the week in 2008 in r is there a time series in r? how many weeks in a week in r how many weeks are in the year time series model r how many weeks is the last week in 2009 in r how many weeks in a week in r r model time series how long is a month in r r time series how many weeks how many weeks are in one year in r