

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
  <head>
    <meta charset="utf-8" />
  
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <meta name="lang:clipboard.copy" content="Copy to clipboard">
  <meta name="lang:clipboard.copied" content="Copied to clipboard">
  <meta name="lang:search.language" content="en">
  <meta name="lang:search.pipeline.stopwords" content="True">
  <meta name="lang:search.pipeline.trimmer" content="True">
  <meta name="lang:search.result.none" content="No matching documents">
  <meta name="lang:search.result.one" content="1 matching document">
  <meta name="lang:search.result.other" content="# matching documents">
  <meta name="lang:search.tokenizer" content="[\s\-]+">

  
    <link href="https://fonts.gstatic.com/" rel="preconnect" crossorigin>
    <link href="https://fonts.googleapis.com/css?family=Roboto+Mono:400,500,700|Roboto:300,400,400i,700&display=fallback" rel="stylesheet">

    <style>
      body,
      input {
        font-family: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif
      }

      code,
      kbd,
      pre {
        font-family: "Roboto Mono", "Courier New", Courier, monospace
      }
    </style>
  

  <link rel="stylesheet" href="../_static/stylesheets/application.css"/>
  <link rel="stylesheet" href="../_static/stylesheets/application-palette.css"/>
  <link rel="stylesheet" href="../_static/stylesheets/application-fixes.css"/>
  
  <link rel="stylesheet" href="../_static/fonts/material-icons.css"/>
  
  <meta name="theme-color" content="#3f51b5">
  <script src="../_static/javascripts/modernizr.js"></script>
  
  
  
    <title>statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi &#8212; statsmodels</title>
  <link rel="icon" type="image/png" sizes="32x32" href="../_static/icons/favicon-32x32.png">
  <link rel="icon" type="image/png" sizes="16x16" href="../_static/icons/favicon-16x16.png">
  <link rel="manifest" href="../_static/icons/site.webmanifest">
  <link rel="mask-icon" href="../_static/icons/safari-pinned-tab.svg" color="#919191">
  <meta name="msapplication-TileColor" content="#2b5797">
  <meta name="msapplication-config" content="../_static/icons/browserconfig.xml">
  <link rel="stylesheet" href="../_static/stylesheets/examples.css">
    <link rel="stylesheet" href="../_static/material.css" type="text/css" />
    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
    <link rel="stylesheet" type="text/css" href="../_static/graphviz.css" />
    <script id="documentation_options" data-url_root="../" 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/language_data.js"></script>
    <script crossorigin="anonymous" integrity="sha256-Ae2Vz/4ePdIu6ZyI/5ZGsYnb+m0JlOmKPjt6XZ9JJkA=" src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.4/require.min.js"></script>
    <script async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
    <script type="text/x-mathjax-config">MathJax.Hub.Config({"tex2jax": {"inlineMath": [["$", "$"], ["\\(", "\\)"]], "processEscapes": true, "ignoreClass": "document", "processClass": "math|output_area"}})</script>
    <link rel="shortcut icon" href="../_static/favicon.ico"/>
    <link rel="author" title="About these documents" href="../about.html" />
    <link rel="index" title="Index" href="../genindex.html" />
    <link rel="search" title="Search" href="../search.html" />
    <link rel="next" title="statsmodels.stats.outliers_influence.OLSInfluence.dfbeta" href="statsmodels.stats.outliers_influence.OLSInfluence.dfbeta.html" />
    <link rel="prev" title="statsmodels.stats.outliers_influence.OLSInfluence.cov_ratio" href="statsmodels.stats.outliers_influence.OLSInfluence.cov_ratio.html" />
  
   
  
  <script src="../_static/javascripts/version_dropdown.js"></script>
  <script>
    var json_loc = "../_static/versions.json",
        target_loc = "../../",
        text = "Versions";
    $( document ).ready( add_version_dropdown(json_loc, target_loc, text));
  </script>


  </head>
  <body dir=ltr
        data-md-color-primary=indigo data-md-color-accent=blue>
  
  <svg class="md-svg">
    <defs data-children-count="0">
      
      <svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="__github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
      
    </defs>
  </svg>
  
  <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer">
  <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search">
  <label class="md-overlay" data-md-component="overlay" for="__drawer"></label>
  <a href="#generated/statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi" tabindex="1" class="md-skip"> Skip to content </a>
  <header class="md-header" data-md-component="header">
  <nav class="md-header-nav md-grid">
    <div class="md-flex navheader">
      <div class="md-flex__cell md-flex__cell--shrink">
        <a href="../index.html" title="statsmodels"
           class="md-header-nav__button md-logo">
          
              <img src="../_static/statsmodels-logo-v2-bw.svg" height="26"
                   alt="statsmodels logo">
          
        </a>
      </div>
      <div class="md-flex__cell md-flex__cell--shrink">
        <label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
      </div>
      <div class="md-flex__cell md-flex__cell--stretch">
        <div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
          <span class="md-header-nav__topic">statsmodels v0.11.1</span>
          <span class="md-header-nav__topic"> statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi </span>
        </div>
      </div>
      <div class="md-flex__cell md-flex__cell--shrink">
        <label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
        
<div class="md-search" data-md-component="search" role="dialog">
  <label class="md-search__overlay" for="__search"></label>
  <div class="md-search__inner" role="search">
    <form class="md-search__form" action="../search.html" method="GET" name="search">
      <input type="text" class="md-search__input" name="q" placeholder="Search"
             autocapitalize="off" autocomplete="off" spellcheck="false"
             data-md-component="query" data-md-state="active">
      <label class="md-icon md-search__icon" for="__search"></label>
      <button type="reset" class="md-icon md-search__icon" data-md-component="reset" tabindex="-1">
        &#xE5CD;
      </button>
    </form>
    <div class="md-search__output">
      <div class="md-search__scrollwrap" data-md-scrollfix>
        <div class="md-search-result" data-md-component="result">
          <div class="md-search-result__meta">
            Type to start searching
          </div>
          <ol class="md-search-result__list"></ol>
        </div>
      </div>
    </div>
  </div>
</div>

      </div>
      
        <div class="md-flex__cell md-flex__cell--shrink">
          <div class="md-header-nav__source">
            <a href="https://github.com/statsmodels/statsmodels" title="Go to repository" class="md-source" data-md-source="github">

    <div class="md-source__icon">
      <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 24 24" width="28" height="28">
        <use xlink:href="#__github" width="24" height="24"></use>
      </svg>
    </div>
  
  <div class="md-source__repository">
    statsmodels
  </div>
</a>
          </div>
        </div>
      
    </div>
  </nav>
</header>

  
  <div class="md-container">
    
    
    
  <nav class="md-tabs" data-md-component="tabs">
    <div class="md-tabs__inner md-grid">
      <ul class="md-tabs__list">
          <li class="md-tabs__item"><a href="../user-guide.html" class="md-tabs__link">User Guide</a></li>
          <li class="md-tabs__item"><a href="../stats.html" class="md-tabs__link">Statistics <code class="xref py py-mod docutils literal notranslate"><span class="pre">stats</span></code></a></li>
          <li class="md-tabs__item"><a href="statsmodels.stats.outliers_influence.OLSInfluence.html" class="md-tabs__link">statsmodels.stats.outliers_influence.OLSInfluence</a></li>
      </ul>
    </div>
  </nav>
    <main class="md-main">
      <div class="md-main__inner md-grid" data-md-component="container">
        
          <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
            <div class="md-sidebar__scrollwrap">
              <div class="md-sidebar__inner">
                <nav class="md-nav md-nav--primary" data-md-level="0">
  <label class="md-nav__title md-nav__title--site" for="__drawer">
    <a href="../index.html" title="statsmodels" class="md-nav__button md-logo">
      
        <img src="../_static/statsmodels-logo-v2-bw.svg" alt=" logo" width="48" height="48">
      
    </a>
    <a href="../index.html"
       title="statsmodels">statsmodels v0.11.1</a>
  </label>
    <div class="md-nav__source">
      <a href="https://github.com/statsmodels/statsmodels" title="Go to repository" class="md-source" data-md-source="github">

    <div class="md-source__icon">
      <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 24 24" width="28" height="28">
        <use xlink:href="#__github" width="24" height="24"></use>
      </svg>
    </div>
  
  <div class="md-source__repository">
    statsmodels
  </div>
</a>
    </div>
  
  

  
  
  <ul class="md-nav__list">
    <li class="md-nav__item">
    
      <a href="../install.html" class="md-nav__link">Installing statsmodels</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../gettingstarted.html" class="md-nav__link">Getting started</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html" class="md-nav__link">User Guide</a>
      <ul class="md-nav__list"> 
    <li class="md-nav__item">
    
      <a href="../user-guide.html#background" class="md-nav__link">Background</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#regression-and-linear-models" class="md-nav__link">Regression and Linear Models</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#time-series-analysis" class="md-nav__link">Time Series Analysis</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#other-models" class="md-nav__link">Other Models</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#statistics-and-tools" class="md-nav__link">Statistics and Tools</a>
      <ul class="md-nav__list"> 
    <li class="md-nav__item">
    
      <a href="../stats.html" class="md-nav__link">Statistics <code class="xref py py-mod docutils literal notranslate"><span class="pre">stats</span></code></a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../contingency_tables.html" class="md-nav__link">Contingency tables</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../imputation.html" class="md-nav__link">Multiple Imputation with Chained Equations</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../emplike.html" class="md-nav__link">Empirical Likelihood <code class="xref py py-mod docutils literal notranslate"><span class="pre">emplike</span></code></a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../distributions.html" class="md-nav__link">Distributions</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../graphics.html" class="md-nav__link">Graphics</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../iolib.html" class="md-nav__link">Input-Output <code class="xref py py-mod docutils literal notranslate"><span class="pre">iolib</span></code></a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../tools.html" class="md-nav__link">Tools</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../large_data.html" class="md-nav__link">Working with Large Data Sets</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../optimization.html" class="md-nav__link">Optimization</a>
      
    </li></ul>
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#data-sets" class="md-nav__link">Data Sets</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../user-guide.html#sandbox" class="md-nav__link">Sandbox</a>
      
    </li></ul>
    </li>
    <li class="md-nav__item">
    
      <a href="../examples/index.html" class="md-nav__link">Examples</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../api.html" class="md-nav__link">API Reference</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../about.html" class="md-nav__link">About statsmodels</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../dev/index.html" class="md-nav__link">Developer Page</a>
      
    </li>
    <li class="md-nav__item">
    
      <a href="../release/index.html" class="md-nav__link">Release Notes</a>
      
    </li>
  </ul>
  

</nav>
              </div>
            </div>
          </div>
          <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
            <div class="md-sidebar__scrollwrap">
              <div class="md-sidebar__inner">
                
<nav class="md-nav md-nav--secondary">
  <ul class="md-nav__list" data-md-scrollfix="">
    
<li class="md-nav__item"><a class="md-nav__extra_link" href="../_sources/generated/statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi.rst.txt">Show Source</a> </li>

<li id="searchbox" class="md-nav__item"></li>

  </ul>
</nav>
              </div>
            </div>
          </div>
        
        <div class="md-content">
          <article class="md-content__inner md-typeset" role="main">
            
  
<h1 id="generated-statsmodels-stats-outliers-influence-olsinfluence-det-cov-params-not-obsi--page-root">statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi<a class="headerlink" href="#generated-statsmodels-stats-outliers-influence-olsinfluence-det-cov-params-not-obsi--page-root" title="Permalink to this headline">¶</a></h1>
<dl class="method">
<dt id="statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi">
<em class="property">property </em><code class="sig-prename descclassname">OLSInfluence.</code><code class="sig-name descname">det_cov_params_not_obsi</code><a class="headerlink" href="#statsmodels.stats.outliers_influence.OLSInfluence.det_cov_params_not_obsi" title="Permalink to this definition">¶</a></dt>
<dd><p>determinant of cov_params of all LOOO regressions</p>
<p>uses results from leave-one-observation-out loop</p>
</dd></dl>



          </article>
        </div>
      </div>
    </main>
  </div>
  <footer class="md-footer">
    <div class="md-footer-nav">
      <nav class="md-footer-nav__inner md-grid">
          
            <a href="statsmodels.stats.outliers_influence.OLSInfluence.cov_ratio.html" title="Material"
               class="md-flex md-footer-nav__link md-footer-nav__link--prev"
               rel="prev">
              <div class="md-flex__cell md-flex__cell--shrink">
                <i class="md-icon md-icon--arrow-back md-footer-nav__button"></i>
              </div>
              <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title">
                <span class="md-flex__ellipsis">
                  <span
                      class="md-footer-nav__direction"> Previous </span> statsmodels.stats.outliers_influence.OLSInfluence.cov_ratio </span>
              </div>
            </a>
          
          
            <a href="statsmodels.stats.outliers_influence.OLSInfluence.dfbeta.html" title="Admonition"
               class="md-flex md-footer-nav__link md-footer-nav__link--next"
               rel="next">
            <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"><span
                class="md-flex__ellipsis"> <span
                class="md-footer-nav__direction"> Next </span> statsmodels.stats.outliers_influence.OLSInfluence.dfbeta </span>
            </div>
            <div class="md-flex__cell md-flex__cell--shrink"><i
                class="md-icon md-icon--arrow-forward md-footer-nav__button"></i>
            </div>
          
        </a>
        
      </nav>
    </div>
    <div class="md-footer-meta md-typeset">
      <div class="md-footer-meta__inner md-grid">
        <div class="md-footer-copyright">
          <div class="md-footer-copyright__highlight">
              &#169; Copyright 2009-2019, Josef Perktold, Skipper Seabold, Jonathan Taylor, statsmodels-developers.
              
          </div>
            Last updated on
              Feb 21, 2020.
            <br/>
            Created using
            <a href="http://www.sphinx-doc.org/">Sphinx</a> 2.4.2.
             and
            <a href="https://github.com/bashtage/sphinx-material/">Material for
              Sphinx</a>
        </div>
      </div>
    </div>
  </footer>
  <script src="../_static/javascripts/application.js"></script>
  <script>app.initialize({version: "1.0.4", url: {base: ".."}})</script>
  </body>
</html>