search for: weeknumb

Displaying 5 results from an estimated 5 matches for "weeknumb".

Did you mean: weeknumber
2011 Jul 15
1
transforming year.weeknumber into dates
Hello! I know how to transform dates into year.weeknumber format using zoo: library(zoo) as.numeric(format(as.Date("2010-10-02"), "%Y.%W")) But is there a straightforward way to do the opposite - to transform character strings like "2009.12" or "2009.30" back into dates (assuming that weeks start on Monday)? Tha...
2010 Jul 20
2
date from weeknumber
Hi, Is there a function to get the last(or first) day of the week, given the week number of the year? For eg, week number for 7/20 is 29 as obtained by format(Sys.Date(),"%U"), is there a function which returns 7/25 - the last day of week # 29 TIA, Rao. [[alternative HTML version deleted]]
2005 Dec 12
2
date handling
Hi, Given a frame with calendar date's: "2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc. I want to extract the following from these dates: week number month number year number Any ideas how to accomplish this? Many thanks. Regards, Richard
2010 Jan 05
7
setup schedule cron job every other week?
We have CENTOS 5 on DELL server. I tried to setup schedule cron job to run every other week on Saturday (NOT first and third week ). Does ayone has ideal how to do it? Thanks. ___________________________________________________ ??????? ? ???????????????? http://messenger.yahoo.com.tw/
2010 Apr 20
5
Assigning Week Numbers
R experts, How could I extract the week number from a date vector (in Date class) such that week numbering (week 1...2...) begins (May 01) and ends (October 31) on the same specific dates each year? Week numbering must conform to the following day numbering format (Sat=1,Sun=2,Mon=3.....Fri=7). This means that new weeks must begin on Saturdays, and end on Fridays (except for the first date