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Deprecated: Creation of dynamic property WikitextContent::$mText is deprecated in /var/www/vhosts/rave.gatech.edu/httpdocs/help/includes/content/TextContent.php on line 56 https://rave.gatech.edu/help/index.php?title=Non-deterministic_user-supplied_functions&diff=3475&oldid=prevAdmin: Created page with "Rave provides a random variable capability that you can use to define and parameterize random variables, generate samples from these variables' distributions, and use ..."2013-10-17T15:02:27Z<p>Created page with "Rave provides a <a href="/help/index.php?title=Random_variable" title="Random variable">random variable</a> capability that you can use to define and parameterize <a href="/help/index.php?title=Random_variables" class="mw-redirect" title="Random variables">random variables</a>, generate samples from these variables' distributions, and use ..."</p>
<p><b>New page</b></p><div>Rave provides a [[random variable]] capability that you can use to define and parameterize [[random variables]], generate samples from these variables' distributions, and use these samples as inputs to deterministic functions to generate distributions of function variables. <br />
<br />
That's not what this page is about.<br />
<br />
An alternative way to work with [[random variables]] in Rave is to handle the randomness entirely within the functions that you supply. In this case, your function is non-deterministic in the sense that it is not guaranteed to always calculate the same value of the output, ''y'', for the same values of the input(s), ''x''.<br />
<br />
If you do this, your function must obey the normal Rave rule that a single value of the inputs (i.e. one "row" of data) corresponds to a single value of the output. Thus, if your function calculates a distribution of values for the output, y, it must aggregate these values into a single (statistic) value before returning it to rave, for example mean(y). <br />
<br />
Note that if you use non-deterministic functions, you cannot use any features (including visualizations) in Rave that are specific to [[random variables]], as these features depend on using Rave's built-in mechanism for handling [[random variables]].</div>Admin