<?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>S0120-17512005000200009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Application of Generalized Linear Models to Data Analysis in Drinking Water Treatment]]></article-title>
<article-title xml:lang="es"><![CDATA[Aplicación de modelos lineales generalizados al análisis de datos en el tratamiento de agua potable]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[CEPEDA]]></surname>
<given-names><![CDATA[ZULMA]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[CEPEDA C]]></surname>
<given-names><![CDATA[EDILBERTO]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Industrial de Santander Escuela de Ingeniería Química ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional de Colombia Departamento de Estadística ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>05</day>
<month>12</month>
<year>2005</year>
</pub-date>
<pub-date pub-type="epub">
<day>05</day>
<month>12</month>
<year>2005</year>
</pub-date>
<volume>28</volume>
<numero>2</numero>
<fpage>233</fpage>
<lpage>242</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-17512005000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-17512005000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-17512005000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In drinking water treatment we found appropriate linear models to explain dose and concentration of sulphate, dose of lime, lime application probability and polymer application probability, including as explanatory variables some physical and chemical properties of raw water.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En el tratamiento para obtener agua potable encontramos modelos lineales para explicar dosis y concentración de sulfato, dosis de cal, probabilidades de aplicación de cal y de polímero, incluyendo como variables explicativas algunas propiedades físicas y químicas del agua cruda.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Water treatment]]></kwd>
<kwd lng="en"><![CDATA[Generalized Linear Models]]></kwd>
<kwd lng="es"><![CDATA[Tratamiento de agua]]></kwd>
<kwd lng="es"><![CDATA[modelos lineales generalizados]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[   <font size="2" face="verdana">        <p>    <center><b><font size="4">Application of Generalized Linear Models to Data  Analysis in Drinking Water Treatment</font></b></center></p>        <p>    <center><b><font size="3">Aplicaci&oacute;n de modelos lineales generalizados al an&aacute;lisis de datos en el  tratamiento de agua potable</font></b></center></p>        <p>    <center>ZULMA CEPEDA<sup>1</sup>, EDILBERTO CEPEDA C.<sup>2</sup></center></p>        <p><sup>1</sup>Universidad Industrial de Santander, Escuela de Ingenier&iacute;a Qu&iacute;mica, E-mail: <a href="mailto:zcepeda@universia.com">zcepeda@universia.com</a>    <br>  <sup>2</sup>Universidad Nacional de Colombia, Departamento de Estad&iacute;stica, E-mail: <a href="mailto:ecepedac@unal.edu.co">ecepedac@unal.edu.co</a></p>    <hr size="1">        <p>    ]]></body>
<body><![CDATA[<center><b>Abstract</b></center></p>        <p>In drinking water treatment we found appropriate linear models to explain dose and concentration of sulphate, <i>dose of lime, lime application probability and polymer application probability</i>, including as explanatory variables  some physical and chemical properties of raw water.</p>        <p><b><i>Keywords:</i></b> Water treatment, Generalized Linear Models.</p>    <hr size="1">        <p>    <center><b>Resumen</b></center></p>        <p>En el tratamiento para obtener agua potable encontramos modelos lineales para explicar <i>dosis y concentraci&oacute;n de sulfato, dosis de cal, probabilidades  de aplicaci&oacute;n de cal y de pol&iacute;mero</i>, incluyendo como variables explicativas  algunas propiedades f&iacute;sicas y qu&iacute;micas del agua cruda.</p>        <p><b><i>Palabras Clave:</i></b> Tratamiento de agua, modelos lineales generalizados.</p>    <hr size="1">        <p>Texto completo disponible en <a href="pdf/rce/v28n2/v28n2a09.pdf">PDF</a></p>    <hr size="1">        <p><b><font size="3">References</font></b></p>        <!-- ref --><p>1. Agresti, A. (1990), <i>Categorical Data Analysis</i>, John Wiley, New York.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000022&pid=S0120-1751200500020000900001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>2. Aitkin, M. (1987), &quot;Modeling Variance Heterogeneity in Normal Regression Using  Glim&quot;, <i>Applied Statistics</i> (36), 332- 339.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000023&pid=S0120-1751200500020000900002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>3. American Public Health Association (1985), <i>Standard Methods for the Examina  tion of Water and Wastewater.</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000024&pid=S0120-1751200500020000900003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>4. McCullagh, P. &amp; Nelder, J. A. (1996), <i>Generalized Linear Models</i>, Chapman &amp;  Hall, London.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000025&pid=S0120-1751200500020000900004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>5. Rodier, J. (1981), <i>An&aacute;lisis de las aguas</i>, Ediciones Omega, Barcelona.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000026&pid=S0120-1751200500020000900005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>6. Siegfried, W. (1992), <i>Modelos log&iacute;sticos</i>, Universidad de los Andes-preprint, Bogot&aacute;.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000027&pid=S0120-1751200500020000900006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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</article>
