ndCurveMaster for Mac
Automatically fits complex multivariable nonlinear equations to datasets, revealing relationships between variables for deeper analysis.
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ndCurveMaster overview
ndCurveMaster is a unique curve fitting tool that automatically fits multivariable nonlinear regression equations to your datasets using an unlimited number of input variables. For instance, a generated model may appear as follows:
Y = a0 + a1·x1-5 + a2·sin(x2)-1.3 + a3·1/4x3 + a4·x4-0.2 + a5·ln(x5)2 + a6·exp(x6)2 + a7·cos(x2)1/2·ln(x3)·x6-1/3
Whether you are a researcher, engineer, or student, ndCurveMaster offers powerful data analysis capabilities, enabling you to uncover hidden insights and develop accurate predictive models.
Key Features:
- Robust Model Generation: Automatically discover optimal multivariable nonlinear regression equations that describe your data.
- Multivariable Curve Fitting: Analyze data with any number of independent variables.
- Automated Data Analysis: Identify key relationships between variables for deeper insights.
- Comprehensive Fit Evaluation: Benefit from features such as ANOVA, regression diagnostics, multicollinearity checks, residual normality tests, overfitting detection, cross-validation, and variable sensitivity analysis.
What's new in version 8.8.3.1
- Updated User Interface and Function Collections: Improved graphical user interface for better usability and clarity. Added new function collections.
- CCC metric (agreement + correlation): Added the Concordance Correlation Coefficient (CCC) for a comprehensive assessment of prediction quality beyond standard correlation.
- AIC-based model sorting: Introduced AIC ranking to objectively compare competing models by balancing goodness of fit and model complexity.
- Random search improvements: Faster and more efficient equation discovery, including initialization from fundamental functions for quicker convergence and more meaningful model structures. Watch video
- Extended function library: Added a high-quality set of mathematical functions to support diverse model structures (exponential, trigonometric, polynomial, rational, power) with adjustable ranges and simplified/detailed modes.
- User-defined function sets: Expanded custom function support with editable examples (power, rational, trigonometric, exponential, hyperbolic, logistic, Gaussian, empirical, and physics-inspired functions).
- Model quality filters: Options to restrict the search to statistically significant models (F-test and t-tests), models passing the Bland–Altman test, and models with built-in overfitting control.
- Residual diagnostics: Added Shapiro–Wilk and Anderson–Darling normality tests plus Q–Q plots for visual residual assessment. Learn more
- Sensitivity analysis: Added a module for precise evaluation of predictor significance.
- GUI improvements: Updated the interface for better usability, clarity, and workflow efficiency, including smoother performance with large datasets.
- Export and integration: Export discovered equations to Python, C/C++, and Pascal for seamless downstream workflows.
- Performance and stability: Faster computation, improved memory handling, multi-threaded regression engine, and enhanced numerical stability for higher-quality models.
ndCurveMaster for Mac
$349.00
In English
Version 8.8.3.1
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