I've asked about custom sorting before and it appears that -- in terms of a user-defined order -- it can only be done either by defining a custom class or using various tricks with "order"
Just wondering if anyone has a clever way to order "vintages" of the form 2002, 2003H1, 2003H2, 2004, 2005Q1, 2005Q2, etc some have H1 or H2, some have Q1,Q2,Q3,Q4, some are just plain years. They should be sorted in the obvious order. I can think of doing something with s'trsplit' and 'order' but anyone have anything better? (I still wonder why sorting with a user-defined function isn't supported. I guess I should follow the open source philosophy and contribute my own, but it seems that would involve implementing an explicit, iterative sort algorithm, whereas it would make more sense for it to be integrated with the internal sort function, if that were possible) Thanks -- View this message in context: http://www.nabble.com/sorting-question-tp24293430p24293430.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
