ndCurveMaster is n-dimensional nonlinear curve & surface fitting program, and:
- Can load a data set consisting of measured values and automatically discovers regression equation set
- Can auto fit an unlimited number of input variables and their combinations
- Utilizes an automated machine learning method for the discovery of equations
- Offers a multicollinearity detection option through the use of a variance inflation factor (VIF) to improve model quality
- Offers an overfitting detection option
- Uses heuristic techniques for curve fitting
- Quickly generates high quality results and saves time
Features:
- Fully automated process curves to fit your data sets
- Nonlinear fitting
- Curve and surface fitting: 2D, 3D, 4D, 5D, 6D, ..., n-dimensional fitting
- Automated discovery of nonlinear equations
- Auto data fitting of an unlimited number of fitted variables
- Heuristic techniques for data fitting by the use of random iterated or full random search alghorithms
- Full statistical analysis of every equation
- Multicollinearity detection by the use of a Variance inflation factor (VIF)
- Searching for models with a VIF limit value
- Stepwise regression with backward elimination
- Weight data for individual data points in any column
- Detect and prevent overfitting
- Models with or without an intercept term
- Free expansion or reduction of the model by the user
- Ability to lock the predictor variable option to not modify a preselected predictor variable while searching
- Import data from CSV, TXT, XLSX, XLS spreadsheets
- Result history and ranking
- Up to 380 basic functions such as power, exponential, logarithmic and trigonometric functions grouped in 5 collections
- Copy or save to CSV file options
- Set any significant level alpha value
- Optimized to deal with large amounts of data
- 2D Fitted line, residual plots and histogram in the graph
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