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<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">1683-8602</issn><issn pub-type="ppub">1680-743X</issn><issn-l>1680-743X</issn-l>
<publisher>
<publisher-name>School of Statistics, Renmin University of China</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">JDS1161D</article-id>
<article-id pub-id-type="doi">10.6339/25-JDS1161D</article-id>
<article-categories><subj-group subj-group-type="heading">
<subject>Discussion</subject></subj-group></article-categories>
<title-group>
<article-title>Discussion of “Power Priors for Leveraging Historical Data: Looking Back and Looking Forward”<xref ref-type="fn" rid="j_jds1161d_fn_001"><sup>✩</sup></xref></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name><surname>Chen</surname><given-names>Fang</given-names></name><email xlink:href="mailto:fangk.chen@sas.com">fangk.chen@sas.com</email><xref ref-type="aff" rid="j_jds1161d_aff_001">1</xref><xref ref-type="fn" rid="cor2">∗</xref>
</contrib>
<aff id="j_jds1161d_aff_001"><label>1</label><institution>SAS Institute Inc., Cary, NC</institution>, <country>USA</country></aff>
</contrib-group>
<author-notes>
<fn id="j_jds1161d_fn_001"><label>✩</label>
<p>Main article: <ext-link ext-link-type="doi" xlink:href="https://doi.org/10.6339/24-JDS1161">https://doi.org/10.6339/24-JDS1161</ext-link>.</p></fn><corresp id="cor2"><label>∗</label>Email: <ext-link ext-link-type="uri" xlink:href="mailto:fangk.chen@sas.com">fangk.chen@sas.com</ext-link>.</corresp>
</author-notes>
<pub-date pub-type="ppub"><year>2025</year></pub-date><pub-date pub-type="epub"><day>4</day><month>2</month><year>2025</year></pub-date><volume>23</volume><issue>1</issue><fpage>31</fpage><lpage>37</lpage>
<permissions><copyright-statement>2025 The Author(s). Published by the School of Statistics and the Center for Applied Statistics, Renmin University of China.</copyright-statement><copyright-year>2025</copyright-year>
<license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/">
<license-p>Open access article under the <ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">CC BY</ext-link> license.</license-p></license></permissions><related-article related-article-type="commentary-article" ext-link-type="doi" xlink:href="10.6339/24-JDS1161" id="j_jds1161d_ppc_001"/>
</article-meta>
</front>
<back>
<ref-list id="j_jds1161d_reflist_001">
<title>References</title>
<ref id="j_jds1161d_ref_001">
<mixed-citation publication-type="other"> <string-name><surname>Alt</surname> <given-names>EM</given-names></string-name>, <string-name><surname>Chen</surname> <given-names>X</given-names></string-name>, <string-name><surname>Carvalho</surname> <given-names>LM</given-names></string-name>, <string-name><surname>Ibrahim</surname> <given-names>JG</given-names></string-name> (<year>2024</year>). <italic>hdbayes: Bayesian Analysis of Generalized Linear Models with Historical Data</italic>. R package version 0.1.1. <uri>https://CRAN.R-project.org/package=hdbayes</uri></mixed-citation>
</ref>
<ref id="j_jds1161d_ref_002">
<mixed-citation publication-type="journal"> <string-name><surname>Chen</surname> <given-names>MH</given-names></string-name>, <string-name><surname>Guan</surname> <given-names>Z</given-names></string-name>, <string-name><surname>Lin</surname> <given-names>M</given-names></string-name>, <string-name><surname>Sun</surname> <given-names>M</given-names></string-name> (<year>2025</year>). <article-title>Power priors for leveraging historical data: Looking back and looking forward</article-title>. <source><italic>Journal of Data Science</italic></source>, <volume>23</volume>(<issue>1</issue>): <fpage>1</fpage>–<lpage>30</lpage>. <ext-link ext-link-type="doi" xlink:href="https://doi.org/10.6339/24-JDS1161" xlink:type="simple">https://doi.org/10.6339/24-JDS1161</ext-link></mixed-citation>
</ref>
<ref id="j_jds1161d_ref_003">
<mixed-citation publication-type="other"> <string-name><surname>Gong</surname> <given-names>Y</given-names></string-name>, <string-name><surname>Chen</surname> <given-names>F</given-names></string-name> (<year>2023</year>). Bayesian models with the power prior using PROC BGLIMM. <italic>SAS Statistics Research and Applications Paper 2023-03</italic>. <publisher-name>SAS Institute Inc.</publisher-name>, <publisher-loc>Cary, NC</publisher-loc>. <uri>https://support.sas.com/content/dam/SAS/support/en/technical-papers/bayesian-models-with-the-power-prior-using-proc-bglimm.pdf</uri></mixed-citation>
</ref>
<ref id="j_jds1161d_ref_004">
<mixed-citation publication-type="journal"> <string-name><surname>Ho</surname> <given-names>DE</given-names></string-name>, <string-name><surname>Imai</surname> <given-names>K</given-names></string-name>, <string-name><surname>King</surname> <given-names>G</given-names></string-name>, <string-name><surname>Stuart</surname> <given-names>EA</given-names></string-name> (<year>2011</year>). <article-title>MatchIt: Nonparametric preprocessing for parametric causal inference</article-title>. <source><italic>Journal of Statistical Software</italic></source>, <volume>42</volume>(<issue>8</issue>): <fpage>1</fpage>–<lpage>28</lpage>. <ext-link ext-link-type="doi" xlink:href="https://doi.org/10.18637/jss.v042.i08" xlink:type="simple">https://doi.org/10.18637/jss.v042.i08</ext-link></mixed-citation>
</ref>
<ref id="j_jds1161d_ref_005">
<mixed-citation publication-type="journal"> <string-name><surname>Ibrahim</surname> <given-names>JG</given-names></string-name>, <string-name><surname>Chen</surname> <given-names>MH</given-names></string-name> (<year>2000</year>). <article-title>Power prior distributions for regression models</article-title>. <source><italic>Statistical Science</italic></source>, <volume>15</volume>(<issue>1</issue>): <fpage>46</fpage>–<lpage>60</lpage>. <ext-link ext-link-type="doi" xlink:href="https://doi.org/10.1214/ss/1009212673" xlink:type="simple">https://doi.org/10.1214/ss/1009212673</ext-link></mixed-citation>
</ref>
<ref id="j_jds1161d_ref_006">
<mixed-citation publication-type="journal"> <string-name><surname>Ibrahim</surname> <given-names>JG</given-names></string-name>, <string-name><surname>Chen</surname> <given-names>MH</given-names></string-name>, <string-name><surname>Gwon</surname> <given-names>Y</given-names></string-name>, <string-name><surname>Chen</surname> <given-names>F</given-names></string-name> (<year>2015</year>). <article-title>The power prior: Theory and applications</article-title>. <source><italic>Statistical Science</italic></source>, <volume>34</volume>(<issue>28</issue>): <fpage>3724</fpage>–<lpage>3749</lpage>.</mixed-citation>
</ref>
<ref id="j_jds1161d_ref_007">
<mixed-citation publication-type="book"> <string-name><surname>SAS Institute Inc</surname></string-name> (<year>2025</year>). <source><italic>SAS/STAT User’s Guide</italic></source>. <publisher-name>SAS Institute Inc.</publisher-name>, <publisher-loc>Cary, NC</publisher-loc>. <comment>Revised January 2025</comment>. <uri>https://documentation.sas.com/doc/en/pgmsascdc/v_059/statug/titlepage.htm</uri></mixed-citation>
</ref>
</ref-list>
</back>
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