[R] PNLS step error in nlme
dyang at nrcan.gc.ca
Fri May 10 18:21:03 CEST 2002
In using nlme, I often encounter the following error message:
Error in nlme.formula(model = response ~ ......, data = ...
Step halving factor reduced below minimum in PNLS step
Resetting the pnlsTol default value does not solve the problem. Any
suggestions or workarouds for solving the problem?
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