original from National Institutes for Standards and Technology (NIST) http://www.itl.nist.gov/div898/strd/nls/nls_main.shtml R port by Douglas Bates <bates@stat.wisc.edu>[1999]:NISTnls: Nonlinear least squares examples from NIST

Original label: original from National Institutes for Standards and Technology (NIST) http://www.itl.nist.gov/div898/strd/nls/nls_main.shtml R port by Douglas Bates <bates@stat.wisc.edu>[1999]:NISTnls: Nonlinear least squares examples from NIST