<div dir="ltr"><p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Prezados Redistas,</span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"></span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"> </span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Na próxima quinta-feira,
dia <b>05 de maio, às 14h00</b>, daremos continuidade aos Seminários em
Estatística e Ciência de Dados do Departamento de Estatística da Universidade
Federal da Bahia. </span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"></span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"> </span></p>

<p style="margin-right:0cm;margin-left:0cm;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Este seminário será ministrado pelo <b>Prof. </b></span><b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Luis Mauricio Castro
Cepero</span></b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">. Atualmente, ele é professor associado do Departamento de
Estatística da Pontifícia Universidade Católica do Chile. A modelagem de dados
logitudinais censurados é uma das suas áreas de atuação. </span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">( </span><a href="https://www.mat.uc.cl/~mcastro/public_html/About_Me.html" target="_blank" style="color:blue"><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(17,85,204);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">https://www.mat.uc.cl/~mcastro/public_html/About_Me.html</span></a><span class="gmail-MsoHyperlink" style="color:blue;text-decoration-line:underline"><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(17,85,204);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">)</span></span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Os
detalhes do seminário são os seguintes:</span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"></span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"> </span><span style="color:black;font-family:"Helvetica Neue","serif";font-size:11pt">====================================================</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Liberation Serif","serif""><span lang="EN-US" style="font-size:11pt;font-family:"Helvetica Neue","serif""></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Liberation Serif","serif""><b><span lang="EN-US" style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Title</span></b><span lang="EN-US" style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">: Modelling Point Referenced Spatial Count Data: A
Poisson Process Approach</span><span lang="EN-US" style="font-size:11pt;font-family:"Helvetica Neue","serif""><br>
<br>
<span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Random fields are useful mathematical tools for
representing natural phenomena with complex dependence structures in space
and/or time. In particular, the Gaussian random field is  commonly
used  due to its attractive properties and mathematical tractability.
However, this assumption seems to be restrictive when dealing with counting
data. To deal with this situation, we propose  a random field with a
Poisson marginal distribution by considering a sequence of independent copies
of a random field with an exponential marginal distribution as 'inter-arrival
times' in the counting renewal processes framework. Our proposal can be viewed
as a spatial generalization of the Poisson counting process.</span> <span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Unlike the classical hierarchical  Poisson
Log-Gaussian model, our proposal generates a (non)-stationary random field that
is mean square continuous and with Poisson marginal distributions. For the
proposed Poisson spatial random field, analytic expressions for the covariance
function and the bivariate distribution are provided. In an extensive
simulation study, we investigate the weighted pairwise likelihood as a method
for estimating the Poisson random field parameters.</span><br>
<span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Finally, the effectiveness of our methodology is
illustrated by an analysis  of reindeer pellet-group survey data, 
where a zero-inflated version of the proposed model is compared with 
zero-inflated  Poisson Log-Gaussian and   Poisson Gaussian
copula  models.</span><br>
<br>
<span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Joint work with D. Morales, M. Bevilacqua and C.
Caamaño.</span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Liberation Serif","serif""><span lang="EN-US" style="font-size:11pt;font-family:"Helvetica Neue","serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"> </span></p>

<p style="margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman","serif""><b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Dia:</span></b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black"> 05
de maio de 2022.</span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"></span></p>

<p style="margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"> </span></p>

<p style="margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman","serif""><b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Hora:</span></b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black"> 14h00.</span><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"></span></p>

<p style="margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(69,69,69)"> </span></p>

<p style="margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman","serif""><b><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:black">Link:
</span></b><a href="https://meet.google.com/djy-avfu-yub" target="_blank" style="color:blue"><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(17,85,204);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">https://meet.google.com/djy-avfu-yub</span></a><span class="gmail-MsoHyperlink" style="color:blue;text-decoration-line:underline"><span style="font-size:11pt;font-family:"Helvetica Neue","serif";color:rgb(17,85,204);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"></span></span></p>

<p style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Times New Roman","serif""><span style="font-family:"Helvetica Neue","serif";color:black"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Liberation Serif","serif""><span style="font-family:Arial,"sans-serif""><br>
</span><span style="font-size:11pt;font-family:Arial,"sans-serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Lizandra C. Fabio</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:"Liberation Serif","serif""><span style="font-size:11pt;font-family:Arial,"sans-serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Paulo Henrique F. da
Silva</span></p>

<span style="font-size:11pt;font-family:Arial,"sans-serif";background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Coordenadores
da atividade</span><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><b>Lizandra Castilho Fabio<br></b><div><span style="font-family:verdana,sans-serif">Associate</span> Professor</div><div>Department of Statistics</div><div>Federal University of Bahia, Brazil</div></div></div></div>