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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<title>Internal Classes — statsmodels 0.6.1 documentation</title>
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<div class="section" id="internal-classes">
<span id="model"></span><h1>Internal Classes<a class="headerlink" href="#internal-classes" title="Permalink to this headline">¶</a></h1>
<p>The following summarizes classes and functions that are not intended to be
directly used, but of interest only for internal use or for a developer who
wants to extend on existing model classes.</p>
<div class="section" id="module-reference">
<h2>Module Reference<a class="headerlink" href="#module-reference" title="Permalink to this headline">¶</a></h2>
<div class="section" id="model-and-results-classes">
<h3>Model and Results Classes<a class="headerlink" href="#model-and-results-classes" title="Permalink to this headline">¶</a></h3>
<p>These are the base classes for both the estimation models and the results.
They are not directly useful, but layout the structure of the subclasses and
define some common methods.</p>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%" />
<col width="90%" />
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><a class="reference internal" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="statsmodels.base.model.Model"><code class="xref py py-obj docutils literal"><span class="pre">Model</span></code></a>(endog[, exog])</td>
<td>A (predictive) statistical model.</td>
</tr>
<tr class="row-even"><td><a class="reference internal" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="statsmodels.base.model.LikelihoodModel"><code class="xref py py-obj docutils literal"><span class="pre">LikelihoodModel</span></code></a>(endog[, exog])</td>
<td>Likelihood model is a subclass of Model.</td>
</tr>
<tr class="row-odd"><td><a class="reference internal" href="generated/statsmodels.base.model.GenericLikelihoodModel.html#statsmodels.base.model.GenericLikelihoodModel" title="statsmodels.base.model.GenericLikelihoodModel"><code class="xref py py-obj docutils literal"><span class="pre">GenericLikelihoodModel</span></code></a>(endog[, exog, ...])</td>
<td>Allows the fitting of any likelihood function via maximum likelihood.</td>
</tr>
<tr class="row-even"><td><a class="reference internal" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="statsmodels.base.model.Results"><code class="xref py py-obj docutils literal"><span class="pre">Results</span></code></a>(model, params, **kwd)</td>
<td>Class to contain model results</td>
</tr>
<tr class="row-odd"><td><a class="reference internal" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="statsmodels.base.model.LikelihoodModelResults"><code class="xref py py-obj docutils literal"><span class="pre">LikelihoodModelResults</span></code></a>(model, params[, ...])</td>
<td>Class to contain results from likelihood models</td>
</tr>
<tr class="row-even"><td><a class="reference internal" href="generated/statsmodels.base.model.ResultMixin.html#statsmodels.base.model.ResultMixin" title="statsmodels.base.model.ResultMixin"><code class="xref py py-obj docutils literal"><span class="pre">ResultMixin</span></code></a></td>
<td></td>
</tr>
<tr class="row-odd"><td><a class="reference internal" href="generated/statsmodels.base.model.GenericLikelihoodModelResults.html#statsmodels.base.model.GenericLikelihoodModelResults" title="statsmodels.base.model.GenericLikelihoodModelResults"><code class="xref py py-obj docutils literal"><span class="pre">GenericLikelihoodModelResults</span></code></a>(model, mlefit)</td>
<td>A results class for the discrete dependent variable models.</td>
</tr>
</tbody>
</table>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%" />
<col width="90%" />
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><a class="reference internal" href="generated/statsmodels.stats.contrast.ContrastResults.html#statsmodels.stats.contrast.ContrastResults" title="statsmodels.stats.contrast.ContrastResults"><code class="xref py py-obj docutils literal"><span class="pre">ContrastResults</span></code></a>([t, F, sd, effect, ...])</td>
<td>Class for results of tests of linear restrictions on coefficients in a model.</td>
</tr>
</tbody>
</table>
<p class="graphviz">
<img src="../_images/inheritance-f1b12ef22470d78e210809825fa6951a75aaa4b2.png" alt="Inheritance diagram of statsmodels.base.model, statsmodels.discrete.discrete_model, statsmodels.regression.linear_model, statsmodels.miscmodels.count" usemap="#inheritancea5e4f21a7a" class="inheritance"/>
<map id="inheritancea5e4f21a7a" name="inheritancea5e4f21a7a">
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<area shape="rect" id="node47" href="../generated/statsmodels.miscmodels.count.PoissonGMLE.html#statsmodels.miscmodels.count.PoissonGMLE" title="Maximum Likelihood Estimation of Poisson Model" alt="" coords="1133,881,1350,905"/>
<area shape="rect" id="node48" href="../generated/statsmodels.miscmodels.count.PoissonOffsetGMLE.html#statsmodels.miscmodels.count.PoissonOffsetGMLE" title="Maximum Likelihood Estimation of Poisson Model" alt="" coords="1116,929,1368,953"/>
<area shape="rect" id="node49" href="../generated/statsmodels.miscmodels.count.PoissonZiGMLE.html#statsmodels.miscmodels.count.PoissonZiGMLE" title="Maximum Likelihood Estimation of Poisson Model" alt="" coords="1128,977,1356,1001"/>
<area shape="rect" id="node2" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="367,1073,557,1097"/>
<area shape="rect" id="node11" href="../generated/statsmodels.discrete.discrete_model.DiscreteModel.html#statsmodels.discrete.discrete_model.DiscreteModel" title="Abstract class for discrete choice models." alt="" coords="739,1073,991,1097"/>
<area shape="rect" id="node51" title="Base class for linear regression models. Should not be directly called." alt="" coords="729,1169,1001,1193"/>
<area shape="rect" id="node3" href="generated/statsmodels.base.model.GenericLikelihoodModelResults.html#statsmodels.base.model.GenericLikelihoodModelResults" title="A results class for the discrete dependent variable models." alt="" coords="724,533,1006,557"/>
<area shape="rect" id="node4" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="Class to contain results from likelihood models" alt="" coords="345,581,579,605"/>
<area shape="rect" id="node13" href="../generated/statsmodels.discrete.discrete_model.DiscreteResults.html#statsmodels.discrete.discrete_model.DiscreteResults" title="A results class for the discrete dependent variable models." alt="" coords="735,677,995,701"/>
<area shape="rect" id="node56" href="../generated/statsmodels.regression.linear_model.RegressionResults.html#statsmodels.regression.linear_model.RegressionResults" title="This class summarizes the fit of a linear regression model." alt="" coords="725,581,1005,605"/>
<area shape="rect" id="node5" href="generated/statsmodels.base.model.ResultMixin.html#statsmodels.base.model.ResultMixin" title="base.model.ResultMixin" alt="" coords="381,533,543,557"/>
<area shape="rect" id="node6" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="62,1073,192,1097"/>
<area shape="rect" id="node7" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="Class to contain model results" alt="" coords="58,581,196,605"/>
<area shape="rect" id="node9" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="27,221,227,245"/>
<area shape="rect" id="node10" href="../generated/statsmodels.discrete.discrete_model.BinaryModel.html#statsmodels.discrete.discrete_model.BinaryModel" title="discrete.discrete_model.BinaryModel" alt="" coords="1122,1025,1362,1049"/>
<area shape="rect" id="node32" href="../generated/statsmodels.discrete.discrete_model.Logit.html#statsmodels.discrete.discrete_model.Logit" title="Binary choice logit model" alt="" coords="1488,929,1683,953"/>
<area shape="rect" id="node35" href="../generated/statsmodels.discrete.discrete_model.MultinomialModel.html#statsmodels.discrete.discrete_model.MultinomialModel" title="discrete.discrete_model.MultinomialModel" alt="" coords="1451,977,1720,1001"/>
<area shape="rect" id="node44" href="../generated/statsmodels.discrete.discrete_model.Probit.html#statsmodels.discrete.discrete_model.Probit" title="Binary choice Probit model" alt="" coords="1485,1025,1686,1049"/>
<area shape="rect" id="node16" href="../generated/statsmodels.discrete.discrete_model.CountModel.html#statsmodels.discrete.discrete_model.CountModel" title="discrete.discrete_model.CountModel" alt="" coords="1123,1073,1361,1097"/>
<area shape="rect" id="node12" href="../generated/statsmodels.discrete.discrete_model.BinaryResults.html#statsmodels.discrete.discrete_model.BinaryResults" title="A results class for binary data" alt="" coords="1118,653,1366,677"/>
<area shape="rect" id="node19" title="Results instance for binary data fit by l1 regularization" alt="" coords="1454,557,1717,581"/>
<area shape="rect" id="node33" href="../generated/statsmodels.discrete.discrete_model.LogitResults.html#statsmodels.discrete.discrete_model.LogitResults" title="A results class for Logit Model" alt="" coords="1466,605,1705,629"/>
<area shape="rect" id="node45" href="../generated/statsmodels.discrete.discrete_model.ProbitResults.html#statsmodels.discrete.discrete_model.ProbitResults" title="A results class for Probit Model" alt="" coords="1463,653,1708,677"/>
<area shape="rect" id="node17" href="../generated/statsmodels.discrete.discrete_model.CountResults.html#statsmodels.discrete.discrete_model.CountResults" title="A results class for count data" alt="" coords="1119,701,1365,725"/>
<area shape="rect" id="node21" title="A results class for count data fit by l1 regularization" alt="" coords="1455,797,1716,821"/>
<area shape="rect" id="node24" href="../generated/statsmodels.discrete.discrete_model.MultinomialResults.html#statsmodels.discrete.discrete_model.MultinomialResults" title="A results class for multinomial data" alt="" coords="1103,833,1381,857"/>
<area shape="rect" id="node40" title="A results class for ordered discrete data." alt="" coords="1112,605,1371,629"/>
<area shape="rect" id="node37" href="../generated/statsmodels.discrete.discrete_model.NegativeBinomial.html#statsmodels.discrete.discrete_model.NegativeBinomial" title="Negative Binomial Model for count data" alt="" coords="1451,1073,1720,1097"/>
<area shape="rect" id="node42" href="../generated/statsmodels.discrete.discrete_model.Poisson.html#statsmodels.discrete.discrete_model.Poisson" title="Poisson model for count data" alt="" coords="1479,1121,1692,1145"/>
<area shape="rect" id="node27" href="../generated/statsmodels.discrete.discrete_model.NegativeBinomialResults.html#statsmodels.discrete.discrete_model.NegativeBinomialResults" title="A results class for NegativeBinomial 1 and 2" alt="" coords="1429,749,1743,773"/>
<area shape="rect" id="node23" title="A results class for multinomial data fit by l1 regularization" alt="" coords="1439,845,1732,869"/>
<area shape="rect" id="node34" href="../generated/statsmodels.discrete.discrete_model.MNLogit.html#statsmodels.discrete.discrete_model.MNLogit" title="Multinomial logit model" alt="" coords="1847,977,2063,1001"/>
<area shape="rect" id="node46" title="Asymptotic covariance by Deltamethod" alt="" coords="5,173,249,197"/>
<area shape="rect" id="node50" href="../generated/statsmodels.regression.linear_model.GLS.html#statsmodels.regression.linear_model.GLS" title="Generalized least squares model with a general covariance structure." alt="" coords="1145,1169,1339,1193"/>
<area shape="rect" id="node52" href="../generated/statsmodels.regression.linear_model.GLSAR.html#statsmodels.regression.linear_model.GLSAR" title="A regression model with an AR(p) covariance structure." alt="" coords="1479,1169,1692,1193"/>
<area shape="rect" id="node54" href="../generated/statsmodels.regression.linear_model.WLS.html#statsmodels.regression.linear_model.WLS" title="A regression model with diagonal but non-identity covariance structure." alt="" coords="1144,1217,1340,1241"/>
<area shape="rect" id="node53" href="../generated/statsmodels.regression.linear_model.OLS.html#statsmodels.regression.linear_model.OLS" title="A simple ordinary least squares model." alt="" coords="1489,1217,1683,1241"/>
<area shape="rect" id="node55" href="../generated/statsmodels.regression.linear_model.OLSResults.html#statsmodels.regression.linear_model.OLSResults" title="Results class for for an OLS model." alt="" coords="1123,557,1361,581"/>
</map>
</p>
<p class="graphviz">
<img src="../_images/inheritance-a262e62d813806f6380eaeb8861224278a0860d2.png" alt="Inheritance diagram of statsmodels.regression.linear_model.GLS, statsmodels.regression.linear_model.WLS, statsmodels.regression.linear_model.OLS, statsmodels.regression.linear_model.GLSAR" usemap="#inheritanceab4ace50c5" class="inheritance"/>
<map id="inheritanceab4ace50c5" name="inheritanceab4ace50c5">
<area shape="rect" id="node1" href="../generated/statsmodels.regression.linear_model.GLS.html#statsmodels.regression.linear_model.GLS" title="Generalized least squares model with a general covariance structure." alt="" coords="464,5,536,29"/>
<area shape="rect" id="node3" href="../generated/statsmodels.regression.linear_model.GLSAR.html#statsmodels.regression.linear_model.GLSAR" title="A regression model with an AR(p) covariance structure." alt="" coords="584,5,656,29"/>
<area shape="rect" id="node2" title="Base class for linear regression models. Should not be directly called." alt="" coords="291,29,416,53"/>
<area shape="rect" id="node7" href="../generated/statsmodels.regression.linear_model.WLS.html#statsmodels.regression.linear_model.WLS" title="A regression model with diagonal but non-identity covariance structure." alt="" coords="464,53,536,77"/>
<area shape="rect" id="node4" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="125,29,243,53"/>
<area shape="rect" id="node5" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="5,29,77,53"/>
<area shape="rect" id="node6" href="../generated/statsmodels.regression.linear_model.OLS.html#statsmodels.regression.linear_model.OLS" title="A simple ordinary least squares model." alt="" coords="584,53,656,77"/>
</map>
</p>
</div>
<div class="section" id="linear-model">
<h3>Linear Model<a class="headerlink" href="#linear-model" title="Permalink to this headline">¶</a></h3>
<p class="graphviz">
<img src="../_images/inheritance-35ff3a2ba4cfa7a28f1cc9a3b4617d2e3825f473.png" alt="Inheritance diagram of statsmodels.regression.linear_model" usemap="#inheritanceb120f7d520" class="inheritance"/>
<map id="inheritanceb120f7d520" name="inheritanceb120f7d520">
<area shape="rect" id="node1" href="../generated/statsmodels.regression.linear_model.GLS.html#statsmodels.regression.linear_model.GLS" title="Generalized least squares model with a general covariance structure." alt="" coords="594,101,666,125"/>
<area shape="rect" id="node3" href="../generated/statsmodels.regression.linear_model.GLSAR.html#statsmodels.regression.linear_model.GLSAR" title="A regression model with an AR(p) covariance structure." alt="" coords="724,101,796,125"/>
<area shape="rect" id="node2" title="Base class for linear regression models. Should not be directly called." alt="" coords="406,125,531,149"/>
<area shape="rect" id="node9" href="../generated/statsmodels.regression.linear_model.WLS.html#statsmodels.regression.linear_model.WLS" title="A regression model with diagonal but non-identity covariance structure." alt="" coords="594,149,666,173"/>
<area shape="rect" id="node4" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="203,125,321,149"/>
<area shape="rect" id="node5" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="28,125,100,149"/>
<area shape="rect" id="node6" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="Class to contain results from likelihood models" alt="" coords="181,53,343,77"/>
<area shape="rect" id="node11" href="../generated/statsmodels.regression.linear_model.RegressionResults.html#statsmodels.regression.linear_model.RegressionResults" title="This class summarizes the fit of a linear regression model." alt="" coords="402,53,535,77"/>
<area shape="rect" id="node7" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="Class to contain model results" alt="" coords="28,53,100,77"/>
<area shape="rect" id="node8" href="../generated/statsmodels.regression.linear_model.OLS.html#statsmodels.regression.linear_model.OLS" title="A simple ordinary least squares model." alt="" coords="724,149,796,173"/>
<area shape="rect" id="node10" href="../generated/statsmodels.regression.linear_model.OLSResults.html#statsmodels.regression.linear_model.OLSResults" title="Results class for for an OLS model." alt="" coords="583,53,676,77"/>
<area shape="rect" id="node13" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="5,5,122,29"/>
</map>
</p>
</div>
<div class="section" id="generalized-linear-model">
<h3>Generalized Linear Model<a class="headerlink" href="#generalized-linear-model" title="Permalink to this headline">¶</a></h3>
<p class="graphviz">
<img src="../_images/inheritance-30776c8729f0efcc87dbb3b41c79d8d735cc44de.png" alt="Inheritance diagram of statsmodels.genmod.generalized_linear_model, statsmodels.genmod.families.family, statsmodels.genmod.families.links" usemap="#inheritancea82bacdc4b" class="inheritance"/>
<map id="inheritancea82bacdc4b" name="inheritancea82bacdc4b">
<area shape="rect" id="node1" href="../generated/statsmodels.genmod.families.family.Binomial.html#statsmodels.genmod.families.family.Binomial" title="Binomial exponential family distribution." alt="" coords="226,437,298,461"/>
<area shape="rect" id="node2" href="../generated/statsmodels.genmod.families.family.Family.html#statsmodels.genmod.families.family.Family" title="The parent class for one-parameter exponential families." alt="" coords="28,557,100,581"/>
<area shape="rect" id="node12" href="../generated/statsmodels.genmod.families.family.Gamma.html#statsmodels.genmod.families.family.Gamma" title="Gamma exponential family distribution." alt="" coords="226,485,298,509"/>
<area shape="rect" id="node13" href="../generated/statsmodels.genmod.families.family.Gaussian.html#statsmodels.genmod.families.family.Gaussian" title="Gaussian exponential family distribution." alt="" coords="223,533,301,557"/>
<area shape="rect" id="node14" href="../generated/statsmodels.genmod.families.family.InverseGaussian.html#statsmodels.genmod.families.family.InverseGaussian" title="InverseGaussian exponential family." alt="" coords="201,581,323,605"/>
<area shape="rect" id="node19" href="../generated/statsmodels.genmod.families.links.NegativeBinomial.html#statsmodels.genmod.families.links.NegativeBinomial" title="The negative binomial link function" alt="" coords="200,629,325,653"/>
<area shape="rect" id="node20" href="../generated/statsmodels.genmod.families.family.Poisson.html#statsmodels.genmod.families.family.Poisson" title="Poisson exponential family." alt="" coords="226,677,298,701"/>
<area shape="rect" id="node3" href="../generated/statsmodels.genmod.families.links.CDFLink.html#statsmodels.genmod.families.links.CDFLink" title="The use the CDF of a scipy.stats distribution" alt="" coords="438,149,512,173"/>
<area shape="rect" id="node23" href="../generated/statsmodels.genmod.families.links.cauchy.html#statsmodels.genmod.families.links.cauchy" title="The Cauchy (standard Cauchy CDF) transform" alt="" coords="596,101,668,125"/>
<area shape="rect" id="node31" href="../generated/statsmodels.genmod.families.links.probit.html#statsmodels.genmod.families.links.probit" title="The probit (standard normal CDF) transform" alt="" coords="596,149,668,173"/>
<area shape="rect" id="node4" href="../generated/statsmodels.genmod.families.links.Logit.html#statsmodels.genmod.families.links.Logit" title="The logit transform" alt="" coords="226,221,298,245"/>
<area shape="rect" id="node5" href="../generated/statsmodels.genmod.families.links.CLogLog.html#statsmodels.genmod.families.links.CLogLog" title="The complementary log-log transform" alt="" coords="437,197,513,221"/>
<area shape="rect" id="node24" title="The CLogLog transform link function." alt="" coords="596,197,668,221"/>
<area shape="rect" id="node6" href="../generated/statsmodels.genmod.generalized_linear_model.GLM.html#statsmodels.genmod.generalized_linear_model.GLM" title="Generalized Linear Models class" alt="" coords="439,101,511,125"/>
<area shape="rect" id="node7" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="203,101,321,125"/>
<area shape="rect" id="node8" href="../generated/statsmodels.genmod.generalized_linear_model.GLMResults.html#statsmodels.genmod.generalized_linear_model.GLMResults" title="Class to contain GLM results." alt="" coords="428,53,522,77"/>
<area shape="rect" id="node9" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="Class to contain results from likelihood models" alt="" coords="181,53,343,77"/>
<area shape="rect" id="node15" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="28,101,100,125"/>
<area shape="rect" id="node16" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="Class to contain model results" alt="" coords="28,53,100,77"/>
<area shape="rect" id="node17" href="../generated/statsmodels.genmod.families.links.Link.html#statsmodels.genmod.families.links.Link" title="A generic link function for one-parameter exponential family." alt="" coords="28,293,100,317"/>
<area shape="rect" id="node18" href="../generated/statsmodels.genmod.families.links.Log.html#statsmodels.genmod.families.links.Log" title="The log transform" alt="" coords="226,293,298,317"/>
<area shape="rect" id="node21" href="../generated/statsmodels.genmod.families.links.Power.html#statsmodels.genmod.families.links.Power" title="The power transform" alt="" coords="226,389,298,413"/>
<area shape="rect" id="node28" title="The log transform" alt="" coords="439,293,511,317"/>
<area shape="rect" id="node30" href="../generated/statsmodels.genmod.families.links.nbinom.html#statsmodels.genmod.families.links.nbinom" title="The negative binomial link function." alt="" coords="439,629,511,653"/>
<area shape="rect" id="node25" href="../generated/statsmodels.genmod.families.links.identity.html#statsmodels.genmod.families.links.identity" title="The identity transform" alt="" coords="439,341,511,365"/>
<area shape="rect" id="node26" href="../generated/statsmodels.genmod.families.links.inverse_power.html#statsmodels.genmod.families.links.inverse_power" title="The inverse transform" alt="" coords="421,389,529,413"/>
<area shape="rect" id="node27" href="../generated/statsmodels.genmod.families.links.inverse_squared.html#statsmodels.genmod.families.links.inverse_squared" title="The inverse squared transform" alt="" coords="415,437,535,461"/>
<area shape="rect" id="node32" title="The square-root transform" alt="" coords="439,485,511,509"/>
<area shape="rect" id="node22" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="5,5,122,29"/>
</map>
</p>
</div>
<div class="section" id="discrete-model">
<h3>Discrete Model<a class="headerlink" href="#discrete-model" title="Permalink to this headline">¶</a></h3>
<p class="graphviz">
<img src="../_images/inheritance-af390fd32f1ec6787d14c6e9a5815e01eaa0420d.png" alt="Inheritance diagram of statsmodels.discrete.discrete_model" usemap="#inheritancebdf38e32fc" class="inheritance"/>
<map id="inheritancebdf38e32fc" name="inheritancebdf38e32fc">
<area shape="rect" id="node1" href="../generated/statsmodels.discrete.discrete_model.BinaryModel.html#statsmodels.discrete.discrete_model.BinaryModel" title="BinaryModel" alt="" coords="704,748,800,772"/>
<area shape="rect" id="node27" href="../generated/statsmodels.discrete.discrete_model.Logit.html#statsmodels.discrete.discrete_model.Logit" title="Binary choice logit model" alt="" coords="915,676,987,700"/>
&
802E
lt;area shape="rect" id="node30" href="../generated/statsmodels.discrete.discrete_model.MultinomialModel.html#statsmodels.discrete.discrete_model.MultinomialModel" title="MultinomialModel" alt="" coords="889,724,1014,748"/>
<area shape="rect" id="node39" href="../generated/statsmodels.discrete.discrete_model.Probit.html#statsmodels.discrete.discrete_model.Probit" title="Binary choice Probit model" alt="" coords="915,772,987,796"/>
<area shape="rect" id="node2" href="../generated/statsmodels.discrete.discrete_model.DiscreteModel.html#statsmodels.discrete.discrete_model.DiscreteModel" title="Abstract class for discrete choice models." alt="" coords="467,820,573,844"/>
<area shape="rect" id="node7" href="../generated/statsmodels.discrete.discrete_model.CountModel.html#statsmodels.discrete.discrete_model.CountModel" title="CountModel" alt="" coords="705,820,799,844"/>
<area shape="rect" id="node3" href="../generated/statsmodels.discrete.discrete_model.BinaryResults.html#statsmodels.discrete.discrete_model.BinaryResults" title="A results class for binary data" alt="" coords="700,412,804,436"/>
<area shape="rect" id="node12" title="Results instance for binary data fit by l1 regularization" alt="" coords="892,340,1011,364"/>
<area shape="rect" id="node28" href="../generated/statsmodels.discrete.discrete_model.LogitResults.html#statsmodels.discrete.discrete_model.LogitResults" title="A results class for Logit Model" alt="" coords="904,388,999,412"/>
<area shape="rect" id="node40" href="../generated/statsmodels.discrete.discrete_model.ProbitResults.html#statsmodels.discrete.discrete_model.ProbitResults" title="A results class for Probit Model" alt="" coords="901,436,1002,460"/>
<area shape="rect" id="node4" href="../generated/statsmodels.discrete.discrete_model.DiscreteResults.html#statsmodels.discrete.discrete_model.DiscreteResults" title="A results class for the discrete dependent variable models." alt="" coords="462,533,577,557"/>
<area shape="rect" id="node8" href="../generated/statsmodels.discrete.discrete_model.CountResults.html#statsmodels.discrete.discrete_model.CountResults" title="A results class for count data" alt="" coords="701,533,803,557"/>
<area shape="rect" id="node14" title="A results class for count data fit by l1 regularization" alt="" coords="893,484,1010,508"/>
<area shape="rect" id="node17" href="../generated/statsmodels.discrete.discrete_model.MultinomialResults.html#statsmodels.discrete.discrete_model.MultinomialResults" title="A results class for multinomial data" alt="" coords="685,581,819,605"/>
<area shape="rect" id="node35" title="A results class for ordered discrete data." alt="" coords="695,629,809,653"/>
<area shape="rect" id="node32" href="../generated/statsmodels.discrete.discrete_model.NegativeBinomial.html#statsmodels.discrete.discrete_model.NegativeBinomial" title="Negative Binomial Model for count data" alt="" coords="889,820,1014,844"/>
<area shape="rect" id="node37" href="../generated/statsmodels.discrete.discrete_model.Poisson.html#statsmodels.discrete.discrete_model.Poisson" title="Poisson model for count data" alt="" coords="915,868,987,892"/>
<area shape="rect" id="node20" href="../generated/statsmodels.discrete.discrete_model.NegativeBinomialResults.html#statsmodels.discrete.discrete_model.NegativeBinomialResults" title="A results class for NegativeBinomial 1 and 2" alt="" coords="867,580,1036,604"/>
<area shape="rect" id="node10" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="203,820,321,844"/>
<area shape="rect" id="node11" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="Class to contain results from likelihood models" alt="" coords="181,533,343,557"/>
<area shape="rect" id="node16" title="A results class for multinomial data fit by l1 regularization" alt="" coords="877,628,1025,652"/>
<area shape="rect" id="node25" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="28,820,100,844"/>
<area shape="rect" id="node26" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="Class to contain model results" alt="" coords="28,533,100,557"/>
<area shape="rect" id="node29" href="../generated/statsmodels.discrete.discrete_model.MNLogit.html#statsmodels.discrete.discrete_model.MNLogit" title="Multinomial logit model" alt="" coords="1140,724,1212,748"/>
<area shape="rect" id="node41" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="5,245,122,269"/>
</map>
</p>
</div>
<div class="section" id="robust-model">
<h3>Robust Model<a class="headerlink" href="#robust-model" title="Permalink to this headline">¶</a></h3>
<p class="graphviz">
<img src="../_images/inheritance-649d63eebd47ef79bd8bdfffc84151d4b44b2053.png" alt="Inheritance diagram of statsmodels.robust.robust_linear_model" usemap="#inheritance81aa61af22" class="inheritance"/>
<map id="inheritance81aa61af22" name="inheritance81aa61af22">
<area shape="rect" id="node1" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="203,101,321,125"/>
<area shape="rect" id="node5" href="../generated/statsmodels.robust.robust_linear_model.RLM.html#statsmodels.robust.robust_linear_model.RLM" title="Robust Linear Models" alt="" coords="439,101,511,125"/>
<area shape="rect" id="node2" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="28,101,100,125"/>
<area shape="rect" id="node3" href="generated/statsmodels.base.model.LikelihoodModelResults.html#statsmodels.base.model.LikelihoodModelResults" title="Class to contain results from likelihood models" alt="" coords="181,53,343,77"/>
<area shape="rect" id="node6" href="../generated/statsmodels.robust.robust_linear_model.RLMResults.html#statsmodels.robust.robust_linear_model.RLMResults" title="Class to contain RLM results" alt="" coords="428,53,522,77"/>
<area shape="rect" id="node4" href="generated/statsmodels.base.model.Results.html#statsmodels.base.model.Results" title="Class to contain model results" alt="" coords="28,53,100,77"/>
<area shape="rect" id="node9" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="5,5,122,29"/>
</map>
</p>
</div>
<div class="section" id="vector-autoregressive-model">
<h3>Vector Autoregressive Model<a class="headerlink" href="#vector-autoregressive-model" title="Permalink to this headline">¶</a></h3>
<p class="graphviz">
<img src="../_images/inheritance-e795f414f0e5cbd6fcd21f42e5f8a1a2e7d473ec.png" alt="Inheritance diagram of statsmodels.tsa.vector_ar.var_model" usemap="#inheritance716089de69" class="inheritance"/>
<map id="inheritance716089de69" name="inheritance716089de69">
<area shape="rect" id="node1" href="generated/statsmodels.base.model.LikelihoodModel.html#statsmodels.base.model.LikelihoodModel" title="Likelihood model is a subclass of Model." alt="" coords="312,149,503,173"/>
<area shape="rect" id="node3" title="Timeseries model base class" alt="" coords="589,149,812,173"/>
<area shape="rect" id="node2" href="generated/statsmodels.base.model.Model.html#statsmodels.base.model.Model" title="A (predictive) statistical model. Intended to be subclassed not used." alt="" coords="50,149,181,173"/>
<area shape="rect" id="node6" href="../generated/statsmodels.tsa.vector_ar.var_model.VAR.html#statsmodels.tsa.vector_ar.var_model.VAR" title="Fit VAR(p) process and do lag order selection" alt="" coords="860,149,1032,173"/>
<area shape="rect" id="node4" title="Class which wraps a statsmodels estimation Results class and steps in to" alt="" coords="15,101,216,125"/>
<area shape="rect" id="node5" href="../generated/statsmodels.tsa.vector_ar.var_model.FEVD.html#statsmodels.tsa.vector_ar.var_model.FEVD" title="Compute and plot Forecast error variance decomposition and asymptotic" alt="" coords="25,53,206,77"/>
<area shape="rect" id="node7" href="../generated/statsmodels.tsa.vector_ar.var_model.VARProcess.html#statsmodels.tsa.vector_ar.var_model.VARProcess" title="Class represents a known VAR(p) process" alt="" coords="5,5,226,29"/>
<area shape="rect" id="node8" href="../generated/statsmodels.tsa.vector_ar.var_model.VARResults.html#statsmodels.tsa.vector_ar.var_model.VARResults" title="Estimate VAR(p) process with fixed number of lags" alt="" coords="299,5,516,29"/>
</map>
</p>
</div>
</div>
</div>
</div>
</div>
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<h3><a href="../index.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Internal Classes</a><ul>
<li><a class="reference internal" href="#module-reference">Module Reference</a><ul>
<li><a class="reference internal" href="#model-and-results-classes">Model and Results Classes</a><ul>
</ul>
</li>
<li><a class="reference internal" href="#linear-model">Linear Model</a></li>
<li><a class="reference internal" href="#generalized-linear-model">Generalized Linear Model</a></li>
<li><a class="reference internal" href="#discrete-model">Discrete Model</a></li>
<li><a class="reference internal" href="#robust-model">Robust Model</a></li>
<li><a class="reference internal" href="#vector-autoregressive-model">Vector Autoregressive Model</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<h4>Previous topic</h4>
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5275
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title="next chapter">statsmodels.base.model.Model</a></p>
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