Besides statistical modeling, S-Plus can do nonparametric modeling, clustering, classification and summarization of data. The package runs on any Microsoft Windows 3.x, Windows 95 or NT platform with 16M of RAM, and it works with Open Database Connectivity-compliant databases. Javid said versions for five Unix platforms are in the works. Users can add to the S-Plus 4.0 library of more than 2,000 statistical and graphical functions. The software can import data in Microsoft Excel and Object Linking and Embedding 2.0-compatible worksheet formats, as well as from statistical packages of SAS Institute Inc. of Cary, N.C., and SPSS Inc. of Chicago.
Users can customize the menus, tool bars and dialog boxes.
MathSoft has users at the Air Force, Navy, Centers for Disease Control and Prevention, NASA and National Institutes of Health. Current customers get a 50 percent discount, Javid said. MathSoft offers licensing with maintenance and upgrades on its General Services Administration schedule contract. All rights reserved.