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Writing Unguided Applets

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You create ViSta's unguided applets by using ViDAL ViSta's data analysis language extension to Tierney's XLispStat system.

This can be quite simple, or fairly complex. Here is the code for the two examples presented earlier:

1. Interactive Applet Code: The interactive applet demonstrating sampling and the central limit theorem, involves preparing a file that has only three statements in it:

   (message-dialog 
      "In the next dialog box, choose a
       distribution and then click OK.")
   (simulate-data)
   (message-dialog 
      "Click on the New Sample button
       in the upper left window.")
    

2. Passive Applet Code: The passive applet involved a somewhat more complex set of instructions, as shown here.
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   Copyright © 1997 by Forrest W. Young. All rights reserved.