What should I believe in nonlinear curve fitting, Chi-square or R-square?

Lasso & Ridge Regression A Comprehensive Guide in Python & R

Surface tension anomaly near the critical micelle concentration

Can anyone help with an algorithm to compute baseline in a

Chi-squared calculation for (nonlinear) model goodness of fit for data with trials - Cross Validated

13.3 - Test assumption of normality

Where can I find datasets related to machine learning?

Estimating non-linear change with Latent Growth Models in R - Alexandru Cernat

Meaning of a non reversible endothermic peak in DSC, any idea

Can the standard deviation be higher than the arithmetic mean

An evaluation of R2 as an inadequate measure for nonlinear models in pharmacological and biochemical research: a Monte Carlo approach, BMC Pharmacology

What is the reason of interference feature on the Halogen-Tungsten