<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.0 20120330//EN" "JATS-journalpublishing1.dtd">
<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" article-type="research-article">
  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">JDS</journal-id>
      <journal-title-group>
        <journal-title>Journal of Data Science</journal-title>
      </journal-title-group>
      <issn pub-type="epub">1680-743X</issn>
      <issn pub-type="ppub">1680-743X</issn>
      <publisher>
        <publisher-name>SOSRUC</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id">OCT14</article-id>
      <article-id pub-id-type="doi">10.6339/JDS.202010_18(4).0014</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Research Article</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>A Two-Parameter Distribution with Increasing and Bathtub Hazard Rate</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Ramos</surname>
            <given-names>Pedro L.</given-names>
          </name>
          <xref ref-type="aff" rid="j_JDS_aff_000"/>
        </contrib>
        <aff id="j_JDS_aff_000">Institute of Mathematical Science and Computing, University of São Paulo, São Carlos, Brazil</aff>
        <contrib contrib-type="author">
          <name>
            <surname>Louzada</surname>
            <given-names>Francisco</given-names>
          </name>
          <xref ref-type="aff" rid="j_JDS_aff_001"/>
        </contrib>
        <aff id="j_JDS_aff_001">Institute of Mathematical Science and Computing, University of São Paulo, São Carlos, Brazil</aff>
        <contrib contrib-type="author">
          <name>
            <surname>Moala</surname>
            <given-names>Fernando A.</given-names>
          </name>
          <xref ref-type="aff" rid="j_JDS_aff_002"/>
        </contrib>
        <aff id="j_JDS_aff_002">Department of Statistics, State University of Sao Paulo, Brazil</aff>
      </contrib-group>
      <volume>18</volume>
      <issue>4</issue>
      <fpage>813</fpage>
      <lpage>827</lpage>
      <permissions>
        <ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/>
      </permissions>
      <abstract>
        <p>In this paper a new two-parameter distribution is proposed. This new model provides more flexibility to modeling data with increasing and bathtub hazard rate function. Several statistical and reliability properties of the proposed model are also presented in this paper, such as moments, moment generating function, order statistics and stress-strength reliability. The maximum likelihood estimators for the parameters are discussed as well as a bias corrective approach based on bootstrap techniques. A numerical simulation is carried out to examine the bias and the mean square error of the proposed estimators. Finally, an application using a real data set is presented to illustrate our model.</p>
      </abstract>
      <kwd-group>
        <label>Keywords</label>
        <kwd>lifetime model</kwd>
        <kwd>maximum likelihood estimation</kwd>
      </kwd-group>
    </article-meta>
  </front>
</article>
