[R] nls: example code throws error

[Keith Jewell]

On 26/04/2013 00:16, Steven LeBlanc wrote:
 > Greets,
 >
 > I'm trying to learn to use nls and was running the example code for 
an exponential model:
 >
 >  <snip>
 >
 > Perhaps also, a pointer to a comprehensive and correct document that 
details model formulae syntax if someone has one?
 >
 > Thanks&  Best Regards,
 > Steven
 >
Others have pointed out that the error is probably from an unclean 
environment.

For model formula syntax, see ?nls
Under Arguments formula, follow the link to ?formula