GeoPACK
Category Geostatistics
Publisher  US Environmental Protection Agency 
Platform DOS
Status Public domain
Description GEOPACK is a geostatistical software system consisting of programs for conducting analyses of the spatial variability of one or more random functions. The system includes several statistical analysis options, such as mean, median, variance, standard deviation, skew, kurtosis, and maximum and minimum values can be determined for the selected data base. Programs are also included for linear regression, polynomial regression, the Kolomogorov-Smirnov test for distribution, and for calculating various percentiles. Variogram programs allow determination of a sample variogram, the cross-semivariogram, or a semivariogram for combined random functions for a 2D spatially-dependent random function. It includes options to calculate ordinary kriging and cokriging estimators in 2D and their associated variance. Nonlinear estimators such as disjunctive kriging and disjunctive cokriging can also be determined. Various graphics capabilities are included such as linear or logarithmic line plots, contour plots, and block diagrams. The graphics programs produce intermediate quality output and are intended for quick and easy graphic illustrations. For the highest quality graphic output, it can be interfaced with any user-define graphics package to develop custom graphics.
Cost Free on WWW
Data formats supported None stated
Supplier in United States of America  International Ground Water Modeling Center 
Supplier in United States of America  Scientific Software Group 
Supplier in United States of America  US Environmental Protection Agency 
Supplier in United States of America  USDA Salinity Laboratory 

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