| Tool Name | Multiple Regression Analysis (Points and Predictor Grids) |
| Tool ID | 1 |
| Library ID | statistics_regression |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2004 |
Bahrenberg, G., Giese, E., Nipper, J. (1992): Statistische Methoden in der Geographie 2 - Multivariate Statistik. Stuttgart, 415p.
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Predictors | grid list, input | PREDICTORS | ||
| Points | shapes, input | POINTS | ||
| Output | ||||
| Details: Coefficients | table, output, optional | INFO_COEFF | ||
| Details: Model | table, output, optional | INFO_MODEL | ||
| Details: Steps | table, output, optional | INFO_STEPS | ||
| Residuals | shapes, output, optional | RESIDUALS | ||
| Regression | grid, output | REGRESSION | regression model applied to predictor grids | |
| Regression with Residual Correction | grid, output, optional | REGRESCORR | regression model applied to predictor grids with interpolated residuals added | |
| Options | ||||
| Dependent Variable | table field | ATTRIBUTE | ||
| Resampling | choice | RESAMPLING | Available Choices: [0] Nearest Neighbour [1] Bilinear [2] Cubic 1 [3] Cubic 2 Default: 3 | |
| Include X Coordinate | boolean | COORD_X | Default: 0 | |
| Include Y Coordinate | boolean | COORD_Y | Default: 0 | |
| Intercept | boolean | INTERCEPT | Default: 1 | |
| Method | choice | METHOD | Available Choices: [0] include all [1] forward [2] backward [3] stepwise Default: 3 | |
| Significance Level | floating point number | P_VALUE | Significance level (aka p-value) as threshold for automated predictor selection, given as percentage | Minimum: 0.000000 Maximum: 100.000000 Default: 5.000000 |
| Cross Validation | choice | CROSSVAL | Available Choices: [0] none [1] leave one out [2] 2-fold [3] k-fold Default: 0 | |
| Cross Validation Subsamples | integer number | CROSSVAL_K | number of subsamples for k-fold cross validation | Minimum: 2 Default: 10 |
| Residual Interpolation | choice | RESIDUAL_COR | Available Choices: [0] Multilevel B-Spline Interpolation [1] Inverse Distance Weighted Default: 0 | |