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<body><div>Se você exponenciar os parâmetros, vai encontrar a razão (de taxa, de proporção...) em relação ao nível de referência de cada cada variável.<br></div>
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<div id="sig4487139"><div id="signature" class="signature"><a href="http://lattes.cnpq.br/9234772336296638" title="Currículo Lattes">Leonardo Ferreira Fontenelle</a><br></div>
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<div>Em Qui 19 mar. 2015, às 15:15, ana paula coelho madeira escreveu:<br></div>
<blockquote type="cite"><div dir="ltr">Boa tarde!<br></div>
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<div dir="ltr">Tenho um experimento que visa analisar <span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">como transgenia e controle químico (tratamentos) afetam número
de parasitóides (Chelonus).</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Construí o modelo:</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt"><span class="highlight" style="background-color: rgb(255, 255, 0)">m1<-glm.nb(n_parasit_Chelonus~trat) </span></span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt"><span class="highlight" style="background-color: rgb(255, 255, 0)">> summary(m1) </span></span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Coefficients:</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt"> Estimate Std. Error z value Pr(>|z|) </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">(Intercept) 2.54553 0.16046 15.864 < 2e-16 ***</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratC -0.24295 0.23851 -1.019 0.3084 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratD 0.17905 0.21973 0.815 0.4152 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratF -21.84812 4713.30843 -0.005 0.9963 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratG 0.46262 0.21032 2.200 0.0278 * </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratI -1.22378 0.31394 -3.898 9.69e-05 ***</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratJ 0.12862 0.22165 0.580 0.5617 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratL -21.84812 4713.30843 -0.005 0.9963 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratM -0.40547 0.24759 -1.638 0.1015 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratN 0.28768 0.21586 1.333 0.1826 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratP -3.23868 0.72931 -4.441 8.96e-06 ***</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratQ -0.04001 0.22868 -0.175 0.8611 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">tratS -21.84812 4713.30843 -0.005 0.9963 </span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">---</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">(Dispersion parameter for Negative Binomial(40.7143) family taken to be 1)</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt"> Null deviance: 376.329 on 51 degrees of freedom</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Residual deviance: 39.605 on 39 degrees of freedom</span></span><br></div>
<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">AIC: 234.09</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Como posso interpretar esses resultados?</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Agradeço pela ajuda.</span></span><br></div>
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<div dir="ltr"><span class="font" style="font-family:'Times New Roman', serif"><span class="size" style="font-size:12pt">Ana</span></span><br></div>
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