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XLISP-STAT on UNIX Systems

This tutorial has dealt primarily with the Macintosh version of XLISP-STAT. XLISP-STAT is also available on UNIX systems. If it has been installed in a directory in your search path you should be able to start it up by typing

xlispstat

at the UNIX shell level. There are a few differences between the Macintosh and UNIX versions. On UNIX systems:

UNIX versions of XLISP-STAT are designed to run on a standard terminal and therefore do not provide parenthesis matching or indentation support. If you use the GNU emacs editior you can obtain both these features by running XLISP-STAT from within emacs. Otherwise, for editing files with vi you can use the -l flag to get some Lisp editing support.
To quit from the program type
```
(exit)
```
On most systems you can also quit by typing a Control-D.
You can interrupt a calculation that is taking too long or was started in error by typing a Control-C.
Data and example files are stored in the Data and Examples subdirectories of the library tree. The functions load-data and load-examples will look in these directories, so
```
(load-data "tutorial")
```
will load the data sets for the tutorial. Within XLISP-STAT the variable *default-path* shows the root directory of the library; you can look there if you want to examine the example files.
The require function can be used to load program modules not loaded at startup. To load the nonlinear regression module, for example, use the expression
```
(require "nonlin")
```

On basic UNIX systems the only graphics available are the functions plot-points and plot-lines. These functions assume you are using a Tektronix terminal or emulator.

Luke Tierney
Tue Jan 21 15:04:48 CST 1997