<!doctype html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" /> <title>pyFTS.models.nonstationary package — pyFTS 1.7 documentation</title> <link rel="stylesheet" type="text/css" href="_static/pygments.css" /> <link rel="stylesheet" type="text/css" href="_static/bizstyle.css" /> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script> <script src="_static/jquery.js"></script> <script src="_static/underscore.js"></script> <script src="_static/doctools.js"></script> <script src="_static/bizstyle.js"></script> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="pyFTS.models.seasonal package" href="pyFTS.models.seasonal.html" /> <link rel="prev" title="pyFTS.models.multivariate package" href="pyFTS.models.multivariate.html" /> <meta name="viewport" content="width=device-width,initial-scale=1.0" /> <!--[if lt IE 9]> <script src="_static/css3-mediaqueries.js"></script> <![endif]--> </head><body> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="pyFTS.models.seasonal.html" title="pyFTS.models.seasonal package" accesskey="N">next</a> |</li> <li class="right" > <a href="pyFTS.models.multivariate.html" title="pyFTS.models.multivariate package" accesskey="P">previous</a> |</li> <li class="nav-item nav-item-0"><a href="index.html">pyFTS 1.7 documentation</a> »</li> <li class="nav-item nav-item-1"><a href="modules.html" >pyFTS</a> »</li> <li class="nav-item nav-item-2"><a href="pyFTS.html" >pyFTS package</a> »</li> <li class="nav-item nav-item-3"><a href="pyFTS.models.html" accesskey="U">pyFTS.models package</a> »</li> <li class="nav-item nav-item-this"><a href="">pyFTS.models.nonstationary package</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="pyfts-models-nonstationary-package"> <h1>pyFTS.models.nonstationary package<a class="headerlink" href="#pyfts-models-nonstationary-package" title="Permalink to this headline">¶</a></h1> <section id="submodules"> <h2>Submodules<a class="headerlink" href="#submodules" title="Permalink to this headline">¶</a></h2> </section> <section id="module-pyFTS.models.nonstationary.common"> <span id="pyfts-models-nonstationary-common-module"></span><h2>pyFTS.models.nonstationary.common module<a class="headerlink" href="#module-pyFTS.models.nonstationary.common" title="Permalink to this headline">¶</a></h2> <p>Non Stationary Fuzzy Sets</p> <p>GARIBALDI, Jonathan M.; JAROSZEWSKI, Marcin; MUSIKASUWAN, Salang. Nonstationary fuzzy sets. IEEE Transactions on Fuzzy Systems, v. 16, n. 4, p. 1072-1086, 2008.</p> <dl class="py class"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet"> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">FuzzySet</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mf</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">parameters</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet" title="Permalink to this definition">¶</a></dt> <dd><p>Bases: <a class="reference internal" href="pyFTS.common.html#pyFTS.common.FuzzySet.FuzzySet" title="pyFTS.common.FuzzySet.FuzzySet"><code class="xref py py-class docutils literal notranslate"><span class="pre">pyFTS.common.FuzzySet.FuzzySet</span></code></a></p> <p>Non Stationary Fuzzy Sets</p> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.get_lower"> <span class="sig-name descname"><span class="pre">get_lower</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.get_lower"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.get_lower" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.get_midpoint"> <span class="sig-name descname"><span class="pre">get_midpoint</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.get_midpoint"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.get_midpoint" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.get_upper"> <span class="sig-name descname"><span class="pre">get_upper</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.get_upper"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.get_upper" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.location"> <span class="sig-name descname"><span class="pre">location</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.location" title="Permalink to this definition">¶</a></dt> <dd><p>Pertubation function that affects the location of the membership function</p> </dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.location_params"> <span class="sig-name descname"><span class="pre">location_params</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.location_params" title="Permalink to this definition">¶</a></dt> <dd><p>Parameters for location pertubation function</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.membership"> <span class="sig-name descname"><span class="pre">membership</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.membership"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.membership" title="Permalink to this definition">¶</a></dt> <dd><p>Calculate the membership value of a given input</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><ul class="simple"> <li><p><strong>x</strong> – input value</p></li> <li><p><strong>t</strong> – time displacement or perturbation parameters</p></li> </ul> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>membership value of x at this fuzzy set</p> </dd> </dl> </dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.noise"> <span class="sig-name descname"><span class="pre">noise</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.noise" title="Permalink to this definition">¶</a></dt> <dd><p>Pertubation function that adds noise on the membership function</p> </dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.noise_params"> <span class="sig-name descname"><span class="pre">noise_params</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.noise_params" title="Permalink to this definition">¶</a></dt> <dd><p>Parameters for noise pertubation function</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.perform_location"> <span class="sig-name descname"><span class="pre">perform_location</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">param</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.perform_location"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.perform_location" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.perform_width"> <span class="sig-name descname"><span class="pre">perform_width</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">param</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.perform_width"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.perform_width" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.perturbate_parameters"> <span class="sig-name descname"><span class="pre">perturbate_parameters</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#FuzzySet.perturbate_parameters"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.perturbate_parameters" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.width"> <span class="sig-name descname"><span class="pre">width</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.width" title="Permalink to this definition">¶</a></dt> <dd><p>Pertubation function that affects the width of the membership function</p> </dd></dl> <dl class="py attribute"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.FuzzySet.width_params"> <span class="sig-name descname"><span class="pre">width_params</span></span><a class="headerlink" href="#pyFTS.models.nonstationary.common.FuzzySet.width_params" title="Permalink to this definition">¶</a></dt> <dd><p>Parameters for width pertubation function</p> </dd></dl> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.check_bounds"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">check_bounds</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">partitioner</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#check_bounds"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.check_bounds" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.check_bounds_index"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">check_bounds_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">partitioner</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">t</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#check_bounds_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.check_bounds_index" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.fuzzify"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">fuzzify</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">inst</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">t</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fuzzySets</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#fuzzify"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.fuzzify" title="Permalink to this definition">¶</a></dt> <dd><p>Calculate the membership values for a data point given nonstationary fuzzy sets</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><ul class="simple"> <li><p><strong>inst</strong> – data points</p></li> <li><p><strong>t</strong> – time displacement of the instance</p></li> <li><p><strong>fuzzySets</strong> – list of fuzzy sets</p></li> </ul> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>array of membership values</p> </dd> </dl> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.fuzzySeries"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">fuzzySeries</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fuzzySets</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ordered_sets</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">window_size</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">method</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'fuzzy'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">const_t</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#fuzzySeries"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.fuzzySeries" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.common.window_index"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.common.</span></span><span class="sig-name descname"><span class="pre">window_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">t</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">window_size</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/common.html#window_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.common.window_index" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </section> <section id="pyfts-models-nonstationary-cvfts-module"> <h2>pyFTS.models.nonstationary.cvfts module<a class="headerlink" href="#pyfts-models-nonstationary-cvfts-module" title="Permalink to this headline">¶</a></h2> </section> <section id="module-pyFTS.models.nonstationary.flrg"> <span id="pyfts-models-nonstationary-flrg-module"></span><h2>pyFTS.models.nonstationary.flrg module<a class="headerlink" href="#module-pyFTS.models.nonstationary.flrg" title="Permalink to this headline">¶</a></h2> <dl class="py class"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG"> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.flrg.</span></span><span class="sig-name descname"><span class="pre">NonStationaryFLRG</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">LHS</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG" title="Permalink to this definition">¶</a></dt> <dd><p>Bases: <a class="reference internal" href="pyFTS.common.html#pyFTS.common.flrg.FLRG" title="pyFTS.common.flrg.FLRG"><code class="xref py py-class docutils literal notranslate"><span class="pre">pyFTS.common.flrg.FLRG</span></code></a></p> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_key"> <span class="sig-name descname"><span class="pre">get_key</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.get_key"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_key" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a unique identifier for this FLRG</p> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_lower"> <span class="sig-name descname"><span class="pre">get_lower</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.get_lower"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_lower" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the lower bound value for the RHS fuzzy sets</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><p><strong>sets</strong> – fuzzy sets</p> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>lower bound value</p> </dd> </dl> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_membership"> <span class="sig-name descname"><span class="pre">get_membership</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.get_membership"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_membership" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the membership value of the FLRG for the input data</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><ul class="simple"> <li><p><strong>data</strong> – input data</p></li> <li><p><strong>sets</strong> – fuzzy sets</p></li> </ul> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>the membership value</p> </dd> </dl> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_midpoint"> <span class="sig-name descname"><span class="pre">get_midpoint</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.get_midpoint"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_midpoint" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the midpoint value for the RHS fuzzy sets</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><p><strong>sets</strong> – fuzzy sets</p> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>the midpoint value</p> </dd> </dl> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_upper"> <span class="sig-name descname"><span class="pre">get_upper</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.get_upper"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.get_upper" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the upper bound value for the RHS fuzzy sets</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><p><strong>sets</strong> – fuzzy sets</p> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p>upper bound value</p> </dd> </dl> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.flrg.NonStationaryFLRG.unpack_args"> <span class="sig-name descname"><span class="pre">unpack_args</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/flrg.html#NonStationaryFLRG.unpack_args"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.flrg.NonStationaryFLRG.unpack_args" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </dd></dl> </section> <section id="pyfts-models-nonstationary-honsfts-module"> <h2>pyFTS.models.nonstationary.honsfts module<a class="headerlink" href="#pyfts-models-nonstationary-honsfts-module" title="Permalink to this headline">¶</a></h2> </section> <section id="pyfts-models-nonstationary-nsfts-module"> <h2>pyFTS.models.nonstationary.nsfts module<a class="headerlink" href="#pyfts-models-nonstationary-nsfts-module" title="Permalink to this headline">¶</a></h2> </section> <section id="module-pyFTS.models.nonstationary.partitioners"> <span id="pyfts-models-nonstationary-partitioners-module"></span><h2>pyFTS.models.nonstationary.partitioners module<a class="headerlink" href="#module-pyFTS.models.nonstationary.partitioners" title="Permalink to this headline">¶</a></h2> <dl class="py class"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner"> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.partitioners.</span></span><span class="sig-name descname"><span class="pre">PolynomialNonStationaryPartitioner</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">part</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner" title="Permalink to this definition">¶</a></dt> <dd><p>Bases: <a class="reference internal" href="pyFTS.partitioners.html#pyFTS.partitioners.partitioner.Partitioner" title="pyFTS.partitioners.partitioner.Partitioner"><code class="xref py py-class docutils literal notranslate"><span class="pre">pyFTS.partitioners.partitioner.Partitioner</span></code></a></p> <p>Non Stationary Universe of Discourse Partitioner</p> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.build"> <span class="sig-name descname"><span class="pre">build</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner.build"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.build" title="Permalink to this definition">¶</a></dt> <dd><p>Perform the partitioning of the Universe of Discourse</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><p><strong>data</strong> – training data</p> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p></p> </dd> </dl> </dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.get_polynomial_perturbations"> <span class="sig-name descname"><span class="pre">get_polynomial_perturbations</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner.get_polynomial_perturbations"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.get_polynomial_perturbations" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.poly_width"> <span class="sig-name descname"><span class="pre">poly_width</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">par1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">par2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rng</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">deg</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner.poly_width"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.poly_width" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.scale_down"> <span class="sig-name descname"><span class="pre">scale_down</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pct</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner.scale_down"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.scale_down" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.scale_up"> <span class="sig-name descname"><span class="pre">scale_up</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pct</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#PolynomialNonStationaryPartitioner.scale_up"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.PolynomialNonStationaryPartitioner.scale_up" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </dd></dl> <dl class="py class"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.SimpleNonStationaryPartitioner"> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.partitioners.</span></span><span class="sig-name descname"><span class="pre">SimpleNonStationaryPartitioner</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">part</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#SimpleNonStationaryPartitioner"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.SimpleNonStationaryPartitioner" title="Permalink to this definition">¶</a></dt> <dd><p>Bases: <a class="reference internal" href="pyFTS.partitioners.html#pyFTS.partitioners.partitioner.Partitioner" title="pyFTS.partitioners.partitioner.Partitioner"><code class="xref py py-class docutils literal notranslate"><span class="pre">pyFTS.partitioners.partitioner.Partitioner</span></code></a></p> <p>Non Stationary Universe of Discourse Partitioner</p> <dl class="py method"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.SimpleNonStationaryPartitioner.build"> <span class="sig-name descname"><span class="pre">build</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#SimpleNonStationaryPartitioner.build"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.SimpleNonStationaryPartitioner.build" title="Permalink to this definition">¶</a></dt> <dd><p>Perform the partitioning of the Universe of Discourse</p> <dl class="field-list simple"> <dt class="field-odd">Parameters</dt> <dd class="field-odd"><p><strong>data</strong> – training data</p> </dd> <dt class="field-even">Returns</dt> <dd class="field-even"><p></p> </dd> </dl> </dd></dl> </dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.partitioners.simplenonstationary_gridpartitioner_builder"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.partitioners.</span></span><span class="sig-name descname"><span class="pre">simplenonstationary_gridpartitioner_builder</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">npart</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">transformation</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/partitioners.html#simplenonstationary_gridpartitioner_builder"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.partitioners.simplenonstationary_gridpartitioner_builder" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </section> <section id="module-pyFTS.models.nonstationary.perturbation"> <span id="pyfts-models-nonstationary-perturbation-module"></span><h2>pyFTS.models.nonstationary.perturbation module<a class="headerlink" href="#module-pyFTS.models.nonstationary.perturbation" title="Permalink to this headline">¶</a></h2> <p>Pertubation functions for Non Stationary Fuzzy Sets</p> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.perturbation.exponential"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.perturbation.</span></span><span class="sig-name descname"><span class="pre">exponential</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">parameters</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/perturbation.html#exponential"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.perturbation.exponential" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.perturbation.linear"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.perturbation.</span></span><span class="sig-name descname"><span class="pre">linear</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">parameters</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/perturbation.html#linear"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.perturbation.linear" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.perturbation.periodic"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.perturbation.</span></span><span class="sig-name descname"><span class="pre">periodic</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">parameters</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/perturbation.html#periodic"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.perturbation.periodic" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="py function"> <dt class="sig sig-object py" id="pyFTS.models.nonstationary.perturbation.polynomial"> <span class="sig-prename descclassname"><span class="pre">pyFTS.models.nonstationary.perturbation.</span></span><span class="sig-name descname"><span class="pre">polynomial</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">parameters</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pyFTS/models/nonstationary/perturbation.html#polynomial"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyFTS.models.nonstationary.perturbation.polynomial" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </section> <section id="pyfts-models-nonstationary-util-module"> <h2>pyFTS.models.nonstationary.util module<a class="headerlink" href="#pyfts-models-nonstationary-util-module" title="Permalink to this headline">¶</a></h2> </section> <section id="module-pyFTS.models.nonstationary"> <span id="module-contents"></span><h2>Module contents<a class="headerlink" href="#module-pyFTS.models.nonstationary" title="Permalink to this headline">¶</a></h2> <p>Fuzzy time series with nonstationary fuzzy sets, for heteroskedastic data</p> </section> </section> <div class="clearer"></div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <p class="logo"><a href="index.html"> <img class="logo" src="_static/logo_heading2.png" alt="Logo"/> </a></p> <h3><a href="index.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#">pyFTS.models.nonstationary package</a><ul> <li><a class="reference internal" href="#submodules">Submodules</a></li> <li><a class="reference internal" href="#module-pyFTS.models.nonstationary.common">pyFTS.models.nonstationary.common module</a></li> <li><a class="reference internal" href="#pyfts-models-nonstationary-cvfts-module">pyFTS.models.nonstationary.cvfts module</a></li> <li><a class="reference internal" href="#module-pyFTS.models.nonstationary.flrg">pyFTS.models.nonstationary.flrg module</a></li> <li><a class="reference internal" href="#pyfts-models-nonstationary-honsfts-module">pyFTS.models.nonstationary.honsfts module</a></li> <li><a class="reference internal" href="#pyfts-models-nonstationary-nsfts-module">pyFTS.models.nonstationary.nsfts module</a></li> <li><a class="reference internal" href="#module-pyFTS.models.nonstationary.partitioners">pyFTS.models.nonstationary.partitioners module</a></li> <li><a class="reference internal" href="#module-pyFTS.models.nonstationary.perturbation">pyFTS.models.nonstationary.perturbation module</a></li> <li><a class="reference internal" href="#pyfts-models-nonstationary-util-module">pyFTS.models.nonstationary.util module</a></li> <li><a class="reference internal" href="#module-pyFTS.models.nonstationary">Module contents</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="pyFTS.models.multivariate.html" title="previous chapter">pyFTS.models.multivariate package</a></p> <h4>Next topic</h4> <p class="topless"><a href="pyFTS.models.seasonal.html" title="next chapter">pyFTS.models.seasonal package</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="_sources/pyFTS.models.nonstationary.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3 id="searchlabel">Quick search</h3> <div class="searchformwrapper"> <form class="search" action="search.html" method="get"> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/> <input type="submit" value="Go" /> </form> </div> </div> <script>$('#searchbox').show(0);</script> </div> 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