search for: yearday

Dear All, Is there a R (Windows) equivalent of yeardays in Splus 6.0 for Windows? I am using XP. ************************************************************************************** Steve Su (s.su@qut.edu.au) PhD student. School of Accountancy Queensland University of Technology Postal Address: Steve Su, School of Accountancy, QUT,...

Hi ... I wonder if anyone can provide some insight into why the first three examples using the sunriset function (appended below, with results) give the correct answer, but the fourth generates and error. The first two use ISOdatetime with and without a time zone attribute, and the sunriset function returns the correct sunset time. The third and fourth adds 10 seconds to the ISOdatetime