Curve Fitting Python Packages

xarray-lmfit

Fit lmfit models to xarray objects

nelson-siegel-svensson

Implementation of the Nelson-Siegel-Svensson interest rate curve model.

bpf4

lazy evaluated curves for python

spectrafit

📊📈🔬 SpectraFit is a command-line and Jupyter-notebook tool for quick data-fitting based on the regular expression of distribution functions.

pyvisco

Pyvisco is a Python library that supports the identification of Prony series parameters for Generalized Maxwell models describing linear viscoelastic materials.

melafit

melafit: High-precision 24h melatonin profile analysis. Features bimodal skewed baseline cosine fitting (Van Someren & Nagtegaal, 2007) and a robust cost function (Gabel et al., 2017) for superior convergence, even with sparse data.

symfit

Symbolic Fitting; fitting as it should be.

labtoolbox

LabToolbox is a collection of tools for the analysis and processing of experimental data in scientific research.

splinecloud-scipy

A Python client for SplineCloud API

torchcurves

Parametric differentiable curves with PyTorch for continuous embeddings, shape-restricted models, or KANs

metrolopy

Tools for uncertainty propagation and measurement unit conversion — Outils pour la propagation des incertitudes et la conversion d'unités de mesure

qgrain

An easy-to-use software for the comprehensive analysis of grain size distributions

covid-surge

Covid-Surge is a utility for computing and comparing mortality surge periods of communities afflicted by the COVID-19 virus pandemic.

waltlabtools

A collection of tools for biomedical research assay analysis in Python.

hillfit

Fitting the Hill Equation to Experimental Data

wlsqm

Weighted least squares meshless interpolator and differentiator. Py3.11-3.14.

symbolfit

Automatic parametric modeling with symbolic regression

ffit

Make a curve fitting as easy as possible

kernreg

Tool for non-parametric curve fitting using local polynomials.

fitpsyche

Psychometric curve fitting functions

pydatafitting

package for specialized regression

exectiming

A Python module for measuring the execution time of code

jaxfit

GPU/TPU accelerated nonlinear least-squares curve fitting using JAX

fitting-toolkit

A python package for modelling data with a high degree of flexibillity and control.