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<h1 class="nopad">Table of Contents</h1>
<div style="margin-left: 1em;" class="toc-section">
<a href="#toc0">Overview</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/certainly">certainly</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/choose">choose</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/cond-dist-m">cond-dist-m</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/cond-prob">cond-prob</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/dist-m">dist-m</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/join-with">join-with</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/make-distribution">make-distribution</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/normalize">normalize</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/prob">prob</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/uniform">uniform</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.probabilities.finite-distributions/zipf">zipf</a>
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<br />
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</div>
<div id="content-tag"><h1 id="overview">API for <span id="namespace-name">probabilities.finite-distributions</span>
- <span id="header-project">clojure-contrib</span> <span id="header-version">next</span> (<span id="header-status">in development</span>)
</h1>
<span id="author-line">by <span id="author-name">Konrad Hinsen</span><br /></span>
<br />Usage:
<pre>
(ns your-namespace
(:require <span id="long-name">clojure.contrib.probabilities.finite-distributions</span>))
</pre><pre>
</pre><h2>Overview</h2>
<pre id="namespace-docstr">Finite probability distributions
This library defines a monad for combining finite probability
distributions.</pre>
<br />
<h2>Public Variables and Functions</h2>
<div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/certainly">certainly</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (certainly v)
</pre>
<pre id="var-docstr">Returns a distribution in which the single value v has probability 1.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L146" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/choose">choose</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (choose & choices)
</pre>
<pre id="var-docstr">Construct a distribution from an explicit list of probabilities
and values. They are given in the form of a vector of probability-value
pairs. In the last pair, the probability can be given by the keyword
:else, which stands for 1 minus the total of the other probabilities.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L92" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/cond-dist-m">cond-dist-m</h2>
<span id="var-type">var</span><br />
<pre id="var-usage"></pre>
<pre id="var-docstr">Variant of the dist monad that can handle undefined values.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L46" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/cond-prob">cond-prob</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (cond-prob pred dist)
</pre>
<pre id="var-docstr">Returns the conditional probability for the values in dist that satisfy
the predicate pred.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L160" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/dist-m">dist-m</h2>
<span id="var-type">var</span><br />
<pre id="var-usage"></pre>
<pre id="var-docstr">Monad describing computations on fuzzy quantities, represented by a finite
probability distribution for the possible values. A distribution is
represented by a map from values to probabilities.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L28" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/join-with">join-with</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (join-with f dist1 dist2)
</pre>
<pre id="var-docstr">Returns the distribution of (f x y) with x from dist1 and y from dist2.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L151" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/make-distribution">make-distribution</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (make-distribution coll f)
</pre>
<pre id="var-docstr">Returns the distribution in which each element x of the collection
has a probability proportional to (f x)</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L134" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/normalize">normalize</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (normalize weights)
</pre>
<pre id="var-docstr">Convert a weight map (e.g. a map of counter values) to a distribution
by multiplying with a normalization factor. If the map has a key
:total, its value is assumed to be the sum over all the other values and
it is used for normalization. Otherwise, the sum is calculated
explicitly. The :total key is removed from the resulting distribution.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L70" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/prob">prob</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (prob pred dist)
</pre>
<pre id="var-docstr">Return the probability that the predicate pred is satisfied in the
distribution dist, i.e. the sum of the probabilities of the values
that satisfy pred.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L197" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/uniform">uniform</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (uniform coll)
</pre>
<pre id="var-docstr">Return a distribution in which each of the elements of coll
has the same probability.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L84" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.probabilities.finite-distributions/zipf">zipf</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (zipf s n)
</pre>
<pre id="var-docstr">Returns the Zipf distribution in which the numbers k=1..n have
probabilities proportional to 1/k^s.</pre>
<a href="http://github.com/clojure/clojure-contrib/blob//modules/probabilities/target/classes/clojure/contrib/probabilities/finite_distributions.clj#L140" id="var-source">Source</a>
</div>
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