<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-1751</journal-id>
<journal-title><![CDATA[Revista Colombiana de Estadística]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Estad.]]></abbrev-journal-title>
<issn>0120-1751</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Estadística - Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-17512012000100002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Bayesian Analysis for Errors in Variables with Changepoint Models]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis bayesiano para modelos con errores en las variables con punto de cambio]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[USUGA]]></surname>
<given-names><![CDATA[OLGA CECILIA]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[HERNÁNDEZ]]></surname>
<given-names><![CDATA[FREDDY]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ingeniería Departamento de Ingeniería Industrial]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de São Paulo Instituto de Matemáticas y Estadística Departamento de Estadística]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>15</day>
<month>06</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>15</day>
<month>06</month>
<year>2012</year>
</pub-date>
<volume>35</volume>
<numero>1</numero>
<fpage>15</fpage>
<lpage>38</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-17512012000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-17512012000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-17512012000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Changepoint regression models have originally been developed in connection with applications in quality control, where a change from the in-control to the out-of-control state has to be detected based on the available random observations. Up to now various changepoint models have been suggested for differents applications like reliability, econometrics or medicine. In many practical situations the covariate cannot be measured precisely and an alternative model are the errors in variable regression models. In this paper we study the regression model with errors in variables with changepoint from a Bayesian approach. From the simulation study we found that the proposed procedure produces estimates suitable for the changepoint and all other model parameters.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Los modelos de regresión con punto de cambio han sido originalmente desarrollados en el ámbito de control de calidad, donde, basados en un conjunto de observaciones aleatorias, es detectado un cambio de estado en un proceso que se encuentra controlado para un proceso fuera de control. Hasta ahora varios modelos de punto de cambio han sido sugeridos para diferentes aplicaciones en confiabilidad, econometría y medicina. En muchas situaciones prácticas la covariable no puede ser medida de manera precisa, y un modelo alternativo es el de regresión con errores en las variables. En este trabajo estudiamos el modelo de regresión con errores en las variables con punto de cambio desde un enfoque bayesiano. Del estudio de simulación se encontró que el procedimiento propuesto genera estimaciones adecuadas para el punto de cambio y todos los demás parámetros del modelo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Bayesian analysis]]></kwd>
<kwd lng="en"><![CDATA[Changepoint models]]></kwd>
<kwd lng="en"><![CDATA[Errors in variables models]]></kwd>
<kwd lng="es"><![CDATA[análisis bayesiano]]></kwd>
<kwd lng="es"><![CDATA[modelos con errores en las variables]]></kwd>
<kwd lng="es"><![CDATA[modelos con punto de cambio]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="verdana">      <p> <b> <font size="4">     <center> Bayesian Analysis for Errors in Variables with Changepoint Models </center> </font> </b> </p>      <p> <b> <font size="3">     <center> An&aacute;lisis bayesiano para modelos con errores en las variables con punto de cambio </center> </font> </b> </p>      <p>     <center> OLGA CECILIA USUGA<sup>1</sup>,  FREDDY HERN&Aacute;NDEZ<sup>2</sup> </center> </p>      <p> <sup>1</sup>Universidad de Antioquia, Facultad de Ingenier&iacute;a, Departamento de Ingenier&iacute;a Industrial, Medell&iacute;n, Colombia. Universidad de S&atilde;o Paulo, Instituto de Matem&aacute;ticas y Estad&iacute;stica, Departamento de Estad&iacute;stica, S&atilde;o Paulo, Brasil. Assistant professor. Email: <a href="mailto:ousuga@udea.edu.co">ousuga@udea.edu.co</a>     <br>  <sup>2</sup>Universidad de S&atilde;o Paulo, Instituto de Matem&aacute;ticas y Estad&iacute;stica, Departamento de Estad&iacute;stica, S&atilde;o Paulo, Brasil. Ph.D. Student in Statistic. Email: <a href="mailto:fhernanb@ime.usp.br">fhernanb@ime.usp.br</a>     <br> </p>  <hr size="1">      ]]></body>
<body><![CDATA[<p> <b>     <center> Abstract </center> </b> </p>      <p> Changepoint regression models have originally been developed in connection with applications in quality control, where a change from the in-control to the out-of-control state has to be detected based on the available random observations. Up to now various changepoint models have been suggested for differents applications like reliability, econometrics or medicine. In many practical situations the covariate cannot be measured precisely and an alternative model are the errors in variable regression models. In this paper we study the regression model with errors in variables with changepoint from a Bayesian approach. From the simulation study we found that the proposed procedure produces estimates suitable for the changepoint and all other model parameters. </p>      <p> <b> Key words: </b> Bayesian analysis, Changepoint models, Errors in variables models. </p>  <hr size="1">      <p> <b>     <center> Resumen </center> </b> </p>      <p> Los modelos de regresi&oacute;n con punto de cambio han sido originalmente desarrollados en el &aacute;mbito de control de calidad, donde, basados en un conjunto de observaciones aleatorias, es detectado un cambio de estado en un proceso que se encuentra controlado para un proceso fuera de control. Hasta ahora varios modelos de punto de cambio han sido sugeridos para diferentes aplicaciones en confiabilidad, econometr&iacute;a y medicina. En muchas situaciones pr&aacute;cticas la covariable no puede ser medida de manera precisa, y un modelo alternativo es el de regresi&oacute;n con errores en las variables. En este trabajo estudiamos el modelo de regresi&oacute;n con errores en las variables con punto de cambio desde un enfoque bayesiano. Del estudio de simulaci&oacute;n se encontr&oacute; que el procedimiento propuesto genera estimaciones adecuadas para el punto de cambio y todos los dem&aacute;s par&aacute;metros del modelo. </p>      <p> <b> Palabras clave: </b> an&aacute;lisis bayesiano, modelos con errores en las variables, modelos con punto de cambio. </p>  <hr size="1">      <p> Texto completo disponible en <a href="pdf/rce/v35n1/v35n1a02.pdf">PDF</a> </p>  <hr size="1">      <p> <b> <font size="3"> References </font> </b> </p>       ]]></body>
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Aceptado en enero de 2011&#93;</b> </center> <hr size="1">      <p> Este art&iacute;culo se puede citar en <i>LaTeX</i> utilizando la siguiente referencia bibliogr&aacute;fica de <i>BibTeX</i>: </p> <code><font size="2">@ARTICLE{RCEv35n1a02,    <br>   AUTHOR = {Usuga, Olga Cecilia and Hern&aacute;ndez, Freddy},    <br>   TITLE  = {{Bayesian Analysis for Errors in Variables with Changepoint Models}},    <br>   JOURNAL = {Revista Colombiana de Estad&iacute;stica},    <br>  YEAR  = {2012},    <br>  volume = {35},    <br>  number = {1},    <br>  pages  = {15-38}    ]]></body>
<body><![CDATA[<br> }</font></code>  <hr size="1"> </font>      ]]></body><back>
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