Fitting Generalized Nonlinear Model in R...

Constraining coef output using fit model or nls function...

Error while using nls function in R, can't get LS estimates...

Fiting 1 - exp(x) giving higher weight to the first values...

Constrain nlsLM() with a cost function...

Non-linear fitting with nls() is giving me singular gradient matrix at initial parameter estimates. ...

another: "singular gradient matrix at initial parameter estimates"...

How can I dynamically populate start values in nls?...

NLS almost fits...

nls: Loop and break in a decided number of iterations...

Non Linear Regression Troubleshooting...

How to fit a nls model with mixed effects...

Oracle 10g NLS Parameters...

Issue with date format output in Oracle...

R - Confidence bands for exponential model (nls) in basic graphics...

Approach for comparing linear, non-linear and different parameterization non-linear models...

nls() : "Error in nlsModel(formula, mf, start, wts) : singular gradient matrix at initial param...

nls failing on some subsets of data, but not on other, similar, subsets...

Joint estimation of parameters from two NLS-regressions...

Parameters bootstrap problem with optim() function for nls model...

Multiple inverse.predict() for Gompertz equation...

Comparing nonlinear regression models...

How to integrate (AUC) nls model and Monte-Carlo confidence interval in R...

AIC on nls on R...

Why do nls and nlsLM work correctly for fitting a Poisson distribution but fail for negative binomia...

How to get the first day of the week, depending on NLS...

Using "predict" in nls...

Calculate the values of A and B from the estimated equation y = A * exp(x * B)...

Finding NLS for multiple series...

Cannot use self-starting models when manually defining maxiter for nls()?...