Re: [R] POSIXct vs Dates

2004-04-23 Thread Don MacQueen
I can agree with the other responses, and mention that I'm on the other side of the coin, so to speak. The *only* reason I tried R to begin with was to find out if it could handle data whose time scale was in minutes and seconds better than the other software I was using. With its POSIXt class,

Re: [R] POSIXct vs Dates

2004-04-22 Thread Patrick Connolly
On Thu, 22-Apr-2004 at 07:53PM +, Gabor Grothendieck wrote: [] |> Time zones are not part of the problem |> yet you have to track them. That conflicts with good design |> since good design means your programs don't depend on extraneous |> elements. |> |> With chron and Date there are

Re: [R] POSIXct vs Dates

2004-04-22 Thread Gabor Grothendieck
Frank E Harrell Jr spamcop.net> writes: > I noticed the addition of the Dates class for dates without times, in R > 1.9. I am making extensive use of POSIXct at present and would like to > know whether it is worth changing to Dates. What are a few of the > trade-offs? Before Date became availab

Re: [R] POSIXct vs Dates

2004-04-22 Thread Prof Brian Ripley
On Thu, 22 Apr 2004, Frank E Harrell Jr wrote: > I noticed the addition of the Dates class for dates without times, in R > 1.9. I am making extensive use of POSIXct at present and would like to > know whether it is worth changing to Dates. What are a few of the > trade-offs? You lose the abilit

[R] POSIXct vs Dates

2004-04-22 Thread Frank E Harrell Jr
I noticed the addition of the Dates class for dates without times, in R 1.9. I am making extensive use of POSIXct at present and would like to know whether it is worth changing to Dates. What are a few of the trade-offs? Thanks, Frank --- Frank E Harrell Jr Professor and Chair Schoo