R strptime Monday date from weeknumber weird
问题 I am making a trivial error here but cannot get my head around figuring out what is the problem. I need to get the date of the Monday of the week of a random date.. Seems I am getting something quite different mydate <- date("2013-11-05") format(mydate, "%A") # this is Tuesday, right #[1] "Tuesday" month(mydate) # Month November, right #[1] 11 myyr <- year(mydate); myyr # year is 2013, right #[1] 2013 day(mydate) # day number is 5, right #[1] 5 mywk <- isoweek(mydate);mywk # weeknumber is 45,