RE: [Rd] a couple of things about ":"

2005-04-07 Thread Liaw, Andy
> From: Thomas Lumley > > On Thu, 7 Apr 2005, Liaw, Andy wrote: > > > - It seems counter-intuitive to allow non-integer values as > operand for ":". > > It also seems a bit odd that 1:2 returns something with storage.mode > > integer, whereas 0.5:2 gives doubles. Would it make sense > to disa

Re: [Rd] a couple of things about ":"

2005-04-07 Thread Thomas Lumley
On Thu, 7 Apr 2005, Liaw, Andy wrote: - It seems counter-intuitive to allow non-integer values as operand for ":". It also seems a bit odd that 1:2 returns something with storage.mode integer, whereas 0.5:2 gives doubles. Would it make sense to disallow non-integer operands to ":"? I can't think

[Rd] a couple of things about ":"

2005-04-07 Thread Liaw, Andy
Dear R-devel, A colleague was recently surprised by the behavior of the ":" operator (as sequence generator), so I decided to dig a little bit. Here are a couple of things I found. - ?":" seems a bit imprecise. The Details section says: `The operator : and the seq(from, to) form generate the