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1. Problems with sort.col (score: 1): Author: "Jonathan Dakin" <jdakin@overwey.demon.co.uk>; Date: Sun, 25 Jun 2006 08:52:09 +0100; Could anyone explain this ? I've a dataframe I've been trying to order with respect to multiple columns. However, if one of the columns is a date, I'm having problems. Example: eg <- data.frame("name; /archives/html/s-news/2006-06/msg00061.html (8,083 bytes)
2. Re: Problems with sort.col (score: 1): Author: Paul Matthias Diderichsen <paulmatthias.diderichsen@abbott.com>; Date: Mon, 26 Jun 2006 08:37:38 +0200; Hi Jonathan, s-news-owner@lists.biostat.wustl.edu wrote on 25.06.2006 09:52:09: I'm afraid I can't explain what's going on here. However, I can provide you with a workaround... :-) "smith", "jones"),; /archives/html/s-news/2006-06/msg00063.html (10,067 bytes)
3. Re: Problems with sort.col (score: 1): Author: "Wuping Xin" <xinxx007@umn.edu>; Date: Mon, 26 Jun 2006 02:21:14 -0500; But why y=as.numeric(years(eg$DOB)) gives c(1,1,2) ?? Sicne the default origin is Jan 1, 1966, and the days between the year of 1, and 1966 would overflow the unsigned interger. Is this why the DOBj; /archives/html/s-news/2006-06/msg00064.html (10,256 bytes)

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