search for: mydaysx

Displaying 1 result from an estimated 1 matches for "mydaysx".

2011 May 14
2
changing the day of the week in dates format
...x <- as.POSIXct("2011-01-01 00:00:00") finx <- as.POSIXct("2011-12-31 00:00:00") daysx<- seq(startx, finx, by="24 hours") I want to change the dates of all the days falling on a Saturday to the next working day (i.e. Monday). So I convert dates to POSIXlt mydaysx <- as.POSIXlt(daysx) Then I change select all the Saturday's and move them on to Monday select <- mydaysx$wday==6 mydaysx$mday[select] <- mydaysx$mday[select] + 2 However, although all the new dates (i.e. mydaysx) are actual days of the year - the $wday have not been updated and t...