SGI MLC++ Utilities (NT Edition) README file.           November 1997Machine Learning Library in C++.http://www.sgi.com/Technology/mlcKeywords: machine learning, accuracy estimation, cross-validation,          bootstrap, ID3, decision trees, decision graphs, naive-bayes,          decision tables, majority, induction algorithms, classifiers,          categorizers, general logic diagrams, instance-based algorithms,          discretization, lazy learning, bagging, MineSet.MLC++ Team: The MLC++ team is continuing to work on research  and development of machine learning techniques for data mining.  The team is now working at Silicon Graphics, as part of the  MineSet project for data mining and visualization:      http://mineset.sgi.com.  Core team members include: Ronny Kohavi (manager)                        Cliff Brunk                        Alex Kozlov                        Clay Kunz                        Dan Sommerfield                        Eric Eros (contractor).Questions or help requests related to the utilities should be    addressed to mlc@postofc.corp.sgi.com Please see the MLC++ home page first:    http://www.sgi.com/Technology/mlc______________________________________________________________________Quick starter:The MLC++ utilities are accessible through our web page   http://www.sgi.com/Technology/mlcThe NT version of the MLC++ utilities are stored in a .zip archive,and can be uncompressed by pkunzip as well as a number of othercommon utilities.  Assuming pkunzip, follow this procedure tounpack the archive:1. Make a directory to hold the utilities.  We'll call this <mlc>2. Place the archive file in <mlc>3. Execute pkunzip <archive> within the <mlc> directory, or use   the windows version of pkunzip to unpack the files.The documentation is in utils.ps and it is currently OUT OF DATE.Expect an update in the next month.Environment variables:The MLC++ utilities make heavy use of environment variables whilerunning.  Environment variables may be set from the NT commandprompt as follows:  set <name>=<value>You can check the value of a variable as follows:  echo %<name>%The following environment variables need to be set to getMLC++ to run:MLCDIR must be set to the directory where the utilities are installed.MLCPATH to the directory where the databases are stored.  Multiple   directories may be specified through this variable and separated   by colons.All directories specified in MLCDIR or MLCPATH must use FORWARD(unix-style) slashes.  Drive letters should be specified asfollows:     //c/where c can be replaced by the drive letter of your choice.Example:   If you installed the utilities in C:\MLC, you would execute   the following to set MLCDIR and MLCPATH:   set MLCDIR=//c/MLC/db   set MLCPATH=.://c/MLC/dbNote:   This method for specifying path names is identical to that   supported by the GNU-Win32 project   (see http://www.cygnus.com for details), except that we   do not support volume mounting.File Formats:   MLC++ can read ASCII files in both UNIX and DOS formats   seamlessly.  The sample data files provided with the kit   are actually in UNIX format.   MLC++ will always produce DOS format text files when running   under NT.If you have not "registered" through the web page, pleasedo so at http://www.sgi.com/Technology/mlc/mail.htmlDatabases in the MLC++ format, which is very similar to C4.5 format  can be found in http://www.sgi.com/Technology/mlc/db/  Most datafiles are converted from the repository at UC Irvine.______________________________________________________________________