ty/Varadhan.html
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Bill Shipley
Sent: Thursday, March 12, 2009 2:13 PM
To: R-help
Subject: [R] avoiding termination of nls given con
If the goal here is to repeatedly run a particular model from
different starting values
then the nls2 package will do that for you.
On Thu, Mar 12, 2009 at 2:13 PM, Bill Shipley
wrote:
> Hello. I have a script in which I repeatedly fit a nonlinear regression to
> a series of data sets using nls
Hi Bill,
You should have a look at the try() function that lets you enclose an
expression and handle failure in a way that prevents the entire execution
from halting.
Josh
On Thu, Mar 12, 2009 at 1:13 PM, Bill Shipley
wrote:
> Hello. I have a script in which I repeatedly fit a nonlinear regres
Hello. I have a script in which I repeatedly fit a nonlinear regression to
a series of data sets using nls and the port algorithm from within a loop.
The general structure of the loop is:
for(i in 1:n){
extract relevant vectors of dependent and independent variables
estimate starting val
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