Re: [R] trying to obtain same nls parameters as in example

2012-09-16 Thread Ben Bolker
Pedro Mardones gmail.com> writes: > > Dear R-users; > > I'm working with a a dataset that was previously used to fit a > nonlinear model of the form: > > Y ~ a * (1 + b * log(1 - c * X^d)) > > The parameters published elsewhere are: > > a = 1.758863, b = .217217, c = .99031, and d = .054589

[R] trying to obtain same nls parameters as in example

2012-09-16 Thread Pedro Mardones
Dear R-users; I'm working with a a dataset that was previously used to fit a nonlinear model of the form: Y ~ a * (1 + b * log(1 - c * X^d)) The parameters published elsewhere are: a = 1.758863, b = .217217, c = .99031, and d = .054589 However, there is no way I can replicate this result. I've