[R] step halving factor reduced below minimum

sw289@columbia.edu sw289 at columbia.edu
Wed Dec 17 20:52:40 CET 2003


Dear Splus and R users:
I have a problem in fitting a NLME model, the error message is:

"step halving factor reduced below minimum in PNLS step"

What does it mean and how to fix the problem, could anyone help me 
about it?

Any suggestion/help would be greatly appreciated.

Mei




More information about the R-help mailing list