Model Fitting Prediction Data Types Data Modifications Data Formats GIS Functionality Graphs Graph Examples Help System Limitations System Requirements HyperNiche Interface HyperNiche Graphing Interface

Model Fitting

Nonparametric Multiplicative Regression

Local mean - uniform weights in window Local mean - Gaussian weights Local linear - Gaussian weights

Least-squares Multiple Linear Regression

Direct entry Backwards elimination Cross-validation Monte-carlo test

Overfitting and Parsimony Controls

Built-in leave-one-out cross validation Minimum average neighborhood size Data:predictor ratio Improvement criterion Monte Carlo test

Prediction

GIS application - input of predictors grids, output of response grids Predict responses for new cases Estimate responses to categorical variables

Data Types

Response Variables

presence/absence quantitative

Predictor Variables

quantitative categorical

Data Modifications

Power transform Log Arcsine squareroot Delete rows or columns Multiply or add a constant Shuffle within columns Matrix editing

Data Formats

*.wk1 (easy import/export from Excel and most statistical software) File structure compatible with PC-ORD Import/export *.xls, *.xlsx, *.csv format GIS grid file (*.asc) input/output

GIS Functionality

Read multiple input grids Write response grids for import to ESRI software

Graphs

Scatterplots of observations, estimates, and residuals Simple scatterplots among all pairs of variables Matrix scatterplots Distributions Boxplots 2D response curves 3D response surfaces 3D contour plots 3D rotation Save as Windows metafile or paste into Office document Color or black/white

Graph Examples

Response Points | Response Curves

Contour | Projection | Slices

Scatterplot | Scatterplot Matrix

Distributions | Boxplot

Help System

Context sensitive Detailed and extensive Companion pdf document explaining the rationale and detailing the underlying math

Limitations

30 GIS input files (one file for each predictor variable) 100 GIS output files (one file for each species) 246-character file names 1000 species 500 habitat variables in the model at once (more can be included as potential variables) 32,000 sample units (rows)

System Requirements

Operating System: Windows 98, NT, ME, 2000, XP, Vista, 7, 8, and 10 80486 or higher CPU (including Pentium 4, Athlon, Celeron, etc.) 8 MB RAM (more RAM means ability to analyze larger data sets) 6 MB of available hard disk space Guidelines for Network Installation of HyperNiche