Re: [R] different results from nls in 2.10.1 and 2.11.1

2011-06-20 Thread Prof. John C Nash
pam, or I'll have to close it off. JN On 06/20/2011 06:00 AM, r-help-requ...@r-project.org wrote: > Date: Mon, 20 Jun 2011 11:25:54 +0200 > From: Uwe Ligges > To: p.e.b...@dunelm.org.uk > Cc: r-help@r-project.org, Philip Bett > Subject: Re: [R] different results fr

Re: [R] different results from nls in 2.10.1 and 2.11.1

2011-06-20 Thread Mike Marchywka
> Date: Mon, 20 Jun 2011 11:25:54 +0200 > From: lig...@statistik.tu-dortmund.de > To: p.e.b...@dunelm.org.uk > CC: r-help@r-project.org; pb...@astro.uni-bonn.de > Subject: Re: [R] different results from nls in 2.10.1 and 2.11.1 > > Since one is a 32-bit and the other one a

Re: [R] different results from nls in 2.10.1 and 2.11.1

2011-06-20 Thread Uwe Ligges
Since one is a 32-bit and the other one a 64-bit, and therefore the compiler is also different, you can get different numerical results easily, even with identical versions of R (and most of us do not have outdated R installations around). I just tried your example on 3 different systems with

[R] different results from nls in 2.10.1 and 2.11.1

2011-06-18 Thread Philip Bett
Hi, I've noticed I get different results fitting a function to some data on my laptop to when I do it on my computer at work. Here's a code snippet of what I do: ##-- require(circular) ## for Bessel function I.0 ## Data: dd <- c(