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General Linear Regression
General Linear Regression

App

1 Ratings

1 Comments

588 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 6/13/2025

Perform regression to study the relationship between a response variable and categorical or continuous independent variables.

Cyclic Voltammetry
Cyclic Voltammetry

App

23 Ratings

23 Comments

495 Downloads (90 Days)

Min.Version: 2025b (10.25) Updated on: 6/13/2025

Perform multi-peak fitting and integration of cyclic data.

Piecewise Peak Fitting
Piecewise Peak Fitting

App

0 Ratings

0 Comments

6 Downloads (90 Days)

Min.Version: 2025b (10.25) Updated on: 6/13/2025

Fit Multiple Peaks on the Curve with Individual Baseline Settings

Linear Mixed Effects Model
Linear Mixed Effects Model

App

8 Ratings

8 Comments

240 Downloads (90 Days)

Min.Version: 2020b (9.75) Updated on: 6/12/2025

Fit a linear model with fixed effects and random effects.

Simple Fit
Simple Fit

App

51 Ratings

51 Comments

927 Downloads (90 Days)

Min.Version: 2022b (9.95) Updated on: 6/12/2025

A simplified tool to perform curve fitting.

Speedy Fit
Speedy Fit

App

14 Ratings

14 Comments

547 Downloads (90 Days)

Min.Version: 2022b (9.95) Updated on: 6/12/2025

Perform batch fitting fast

Fitting Function Library
Fitting Function Library

App

9 Ratings

9 Comments

675 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 6/12/2025

Let Origin user search, find and add fitting functions to Origin.

Piecewise Fit
Piecewise Fit

App

16 Ratings

16 Comments

654 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 6/12/2025

Fit two or three segments of a data plot with same or different fitting function.

2D Peak Analysis
2D Peak Analysis

App

5 Ratings

5 Comments

275 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 6/12/2025

Perform 2d peak fitting and integration for each peak.

Fit Convolution
Fit Convolution

App

15 Ratings

15 Comments

213 Downloads (90 Days)

Min.Version: 2018b (9.55) Updated on: 6/12/2025

Perform convolution of the fitting function with the instrument response while performing the fitting.

Polynomial Surface Fit
Polynomial Surface Fit

App

6 Ratings

6 Comments

322 Downloads (90 Days)

Min.Version: 2016 (9.3) Updated on: 4/22/2025

Fit XYZ data with polynomial equations of specified/maximum degree in X and Y, and rank equations to determine best fit (PRO Only).

Radiometric Geochronology Analysis
Radiometric Geochronology Analysis

App

4 Ratings

4 Comments

192 Downloads (90 Days)

Min.Version: 2022b (9.95) Updated on: 4/7/2025

Analyze radiometric geochronological data.

Neural Network Regression
Neural Network Regression

App

7 Ratings

7 Comments

626 Downloads (90 Days)

Min.Version: 2022b (9.95) Updated on: 2/21/2025

Perform neural network fitting using Python.

Neural Network Fitting
Neural Network Fitting

App

17 Ratings

17 Comments

506 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 2/21/2025

Fit data with neural network.

Chebyshev Polynomial Fit
Chebyshev Polynomial Fit

App

0 Ratings

0 Comments

103 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 8/21/2024

Determine the coefficients of Chebyshev polynomials of the first kind.

Compare Linear Fit Parameters and Datasets
Compare Linear Fit Parameters and Datasets

App

10 Ratings

10 Comments

176 Downloads (90 Days)

Min.Version: 2016 (9.3) Updated on: 8/9/2024

Compare datasets using a linear model, or compare intercept and slope.

OPJ Packer
OPJ Packer

App

1 Ratings

1 Comments

64 Downloads (90 Days)

Min.Version: 2018b (9.55) Updated on: 8/5/2024

Pack project file including fitting functions and templates

Generalized Linear Mixed Model
Generalized Linear Mixed Model

App

1 Ratings

1 Comments

253 Downloads (90 Days)

Min.Version: 2023b (10.05) Updated on: 7/2/2024

Fit a generalized linear model with fixed effects and random effects.

Peak Deconvolution
Peak Deconvolution

App

36 Ratings

36 Comments

1494 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 4/12/2024

Offer an intuitive and interactive interface to perform peak analysis.

Bayesian Ridge Regression
Bayesian Ridge Regression

App

1 Ratings

1 Comments

137 Downloads (90 Days)

Min.Version: 2023b (10.05) Updated on: 4/10/2024

Perform bayesian ridge regression with Python.

Generalized Additive Model
Generalized Additive Model

App

0 Ratings

0 Comments

127 Downloads (90 Days)

Min.Version: 2024 (10.1) Updated on: 1/11/2024

Fit a generalized linear model with spline functions of predictor variables.

Quantile Regression
Quantile Regression

App

5 Ratings

5 Comments

128 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 4/25/2023

Explore the relation between continuous or categorical independent variables and specified quantiles of a dependent variable.

Compare Datasets and Fit Parameters
Compare Datasets and Fit Parameters

App

4 Ratings

4 Comments

93 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 4/25/2023

Compare parameters across multiple datasets, or compare multiple datasets using a nonlinear model.

Sequential Fit
Sequential Fit

App

14 Ratings

14 Comments

634 Downloads (90 Days)

Min.Version: 2020 (9.7) Updated on: 4/25/2023

Perform fitting on all datasets in a worksheet sequentially.

Pulse Fit
Pulse Fit

App

0 Ratings

0 Comments

98 Downloads (90 Days)

Min.Version: 2023 (10.0) Updated on: 11/4/2022

Fit a series of pulses.

Fit ODE
Fit ODE

App

9 Ratings

9 Comments

122 Downloads (90 Days)

Min.Version: 2019b (9.65) Updated on: 6/27/2022

Fit ordinary differential equation

Global Fit with Multiple Functions
Global Fit with Multiple Functions

App

6 Ratings

6 Comments

213 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 4/25/2022

Perform global fit and share parameters for different functions.

Rank Models
Rank Models

App

10 Ratings

10 Comments

226 Downloads (90 Days)

Min.Version: 2018b (9.55) Updated on: 1/4/2022

Fit and rank multiple functions to identify best fitting model.

Fit with Composite Functions
Fit with Composite Functions

App

1 Ratings

1 Comments

69 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 11/17/2021

Perform fitting by combining two or more existing fitting functions

Rank Models by Fit Reports
Rank Models by Fit Reports

App

0 Ratings

0 Comments

50 Downloads (90 Days)

Min.Version: 2021 (9.8) Updated on: 3/16/2021

Rank multiple fitting functions by their fit reports.

Fit Parameter Test
Fit Parameter Test

App

0 Ratings

0 Comments

91 Downloads (90 Days)

Min.Version: 2019 (9.6) Updated on: 12/21/2020

Test for a specific value of a fit parameter

Fit Adsorption Isotherm
Fit Adsorption Isotherm

App

10 Ratings

10 Comments

129 Downloads (90 Days)

Min.Version: 2020b (9.75) Updated on: 6/9/2020

Help to transform raw data related to adsorption isotherm into a linear dataset then perform linear fitting.

Standard Curve Analysis
Standard Curve Analysis

App

2 Ratings

2 Comments

161 Downloads (90 Days)

Min.Version: 2020b (9.75) Updated on: 4/27/2020

Fit a standard curve and interpolate x values.

Linear Regression with Marginal Distribution
Linear Regression with Marginal Distribution

App

6 Ratings

6 Comments

167 Downloads (90 Days)

Min.Version: 2020b (9.75) Updated on: 4/27/2020

Linear regression with marginal distribution

Operations Manager
Operations Manager

App

0 Ratings

0 Comments

40 Downloads (90 Days)

Min.Version: 2018 (9.5) Updated on: 8/2/2019

View and manage a list of operations (analyses, etc) in the current project.

Global Peak Fit
Global Peak Fit

App

19 Ratings

19 Comments

250 Downloads (90 Days)

Min.Version: 2018 (9.5) Updated on: 12/18/2017

Fit multiple peaks in multiple datasets with parameter sharing.

Enzyme Kinetics
Enzyme Kinetics

App

4 Ratings

4 Comments

103 Downloads (90 Days)

Min.Version: 2018 (9.5) Updated on: 12/8/2017

Fit enzyme kinetics data and rank models.

Composite Spectrum Regression
Composite Spectrum Regression

App

3 Ratings

3 Comments

108 Downloads (90 Days)

Min.Version: 2018 (9.5) Updated on: 9/26/2017

Perform multiple linear regression for spectra.

Constrained Multiple Regression
Constrained Multiple Regression

App

1 Ratings

1 Comments

114 Downloads (90 Days)

Min.Version: 2017 (9.4) SR1 Updated on: 5/8/2017

Perform constrained multiple regression and solve constrained linear least-squares problems (PRO Only).

Weibull Fit with Least Squares Method
Weibull Fit with Least Squares Method

App

0 Ratings

0 Comments

124 Downloads (90 Days)

Min.Version: 2017 (9.4) Updated on: 1/20/2017

Perform Weibull fit using rank regression on X

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