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flexFitR  

Flexible Non-Linear Least Square Model Fitting
View on CRAN: Click here


Download and install flexFitR package within the R console
Install from CRAN:
install.packages("flexFitR")

Install from Github:
library("remotes")
install_github("cran/flexFitR")

Install by package version:
library("remotes")
install_version("flexFitR", "1.2.1")



Attach the package and use:
library("flexFitR")
Maintained by
Johan Aparicio
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-01-20
Latest Update: 2025-04-16
Description:
Provides tools for flexible non-linear least squares model fitting using general-purpose optimization techniques. The package supports a variety of optimization algorithms, including those provided by the 'optimx' package, making it suitable for handling complex non-linear models. Features include parallel processing support via the 'future' and 'foreach' packages, comprehensive model diagnostics, and visualization capabilities. Implements methods described in Nash and Varadhan (2011, <doi:10.18637/jss.v043.i09>).
How to cite:
Johan Aparicio (2025). flexFitR: Flexible Non-Linear Least Square Model Fitting. R package version 1.2.1, https://cran.r-project.org/web/packages/flexFitR. Accessed 13 Sep. 2026.
Previous versions and publish date:
(2026-08-21 21:20), 1.0.0 (2025-01-20 18:01), 1.1.0 (2025-02-21 16:40), 1.2.0 (2025-04-16 18:40), 1.2.1 (2025-11-04 08:50), 1.2.2 (2026-01-27 21:00), 1.2.3 (2026-06-11 20:00)
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Complete documentation for flexFitR
Functions, R codes and Examples using the flexFitR R package
Full flexFitR package functions and examples
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