I'd like to announce the availability of my Polytomous Logistic Regression Trees software. The program is named PLUS (Polytomous Logistic regression trees with Unbiased Splits). PLUS is freeware. It is implemented in a set of Fortran 90 routines. The current version is 1.0 (Beta). The program accepts numerical/continuous as well as categorical variables. Missing covariate value is allowed. If a test data set is available, an estimate of the misclassification error rate will be provided. The executables are available on the following platforms: - Digital Alpha (Digital UNIX 4.0) - Sun SPARCstation/Ultra (Sun Solaris 2.6) - Pentium (Linux) - Pentium (Windows 95/98/NT) (coming soon) For download and further information, please visit the following site: http://www.recursive-partitioning.com/plus/software.html Note that the software is still only a beta version and so expect some bugs. Comments, suggestions, and especially bugs reports are most appreciated. Thank you for your attention. -- Tjen-Sien Lim (608) 262-8181 (Voice) Dept. of Statistics (209) 882-7914 (Fax) Univ. of Wisconsin-Madison limt@stat.wisc.edu 1210 West Dayton Street http://www.stat.wisc.edu/~limt Madison, WI 53706
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