Least Squares Fit
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Regression Analysis - CurveFitter v.4.5.6
The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
Fit thousands of data into your equations in seconds:
Curvefitter ...
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CurveFitter v.4.5.22
The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
Fit thousands of data into your equations in seconds:
CurveFitter ...
Lhsol v.2.0.1
Fit compartmental model with this program. lhsol help you with the fitting of full or reduced compartmental model to plasma and tissue time-activity curves (TACs) to estimate the model parameters.
Compartmental models are transformed into general ...
DataFitting v.1.7.22
DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values. DataFitting can handle linear, polynomial, exponential, and general nonlinear functions.
DataFitting ...
Nonlinear regression - CurveFitter v.4.5.61
The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
Fit thousands of data into your equations in seconds:
CurveFitter ...
FindGraph v.2.48
FindGraph offers 12 generic fits, including linear regression, logistic functions, fourier approximation, rationals, neural networks, B-splines and parametric curves least squares approximations, plus a library of over 300 industry-specific 2D formulas.
DataFit v.9.0.59
DataFit is a science and engineering tool that simplifies the tasks of data plotting, regression analysis (curve fitting) and statistical analysis. What sets DataFit apart from similar curve fitting and regression programs is its ease of use. With the ...
Fityk v.0.9.8
It is primarily used by scientists to analyze data from experiments (powder diffraction, chromatography, photoluminescence and infrared and Raman spectroscopy), but can be used to fit any analytical functions to any kind of data. The program allows data ...
DataFitX v.2.0
DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code. DataFitX is developed using COM, so it can be used in any environment ...
TriLookup v.2 2
Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve.
In case of an error, TriLookup functions can either return ...
TriLookup Mac v.2 2
Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve.
In case of an error, TriLookup functions can either return ...
Patlak v.1.8.5
Parameters:
1) Tissue TAC file
2) Name of plasma file OR reference region name in TAC file
3-4) Start and end times for linear fit (min)
5) Result file (existing file is overwritten)Options for calculation of metabolic rate:
...
Fitdelay v.2.0.3
(2): The plasma/blood curve is shifted -60 - +60 sec, and a two-tissue compartment model (with parameters K1, k2, k3, k4 and Vb) in multilinear form (3) is fitted to the shifted TAC and each regional tissue TAC, with the nonnegative least squares method (4).
NMath Matrix
NMath Matrix is an advanced matrix manipulation library that extends NMath Core to include structured sparse matrix classes (triangular, symmetric, Hermitian, banded, tridiagonal, symmetric banded, and Hermitian banded), factorizations (LU, Bunch-Kaufman, and Cholesky), orthogonal decompositions (QR and SVD), advanced least squares classes (Cholesky, ...