pelo CMR que você apresentou acredito que é um erro de comandos seu. Há um parêntese não fechado<br><pre><font size="4"><span style="text-align:left"><font face="Arial, &#39;Liberation Sans&#39;, &#39;DejaVu Sans&#39;, sans-serif"> você escreveu (VarCorr(model2), quando na verdade o correto seria VarCorr(modelo2)</font></span></font></pre>
<br><br><div class="gmail_quote">Em 19 de abril de 2012 23:39, isabel de sousa Amorim <span dir="ltr">&lt;<a href="mailto:isabelsousaamorim@yahoo.com.br">isabelsousaamorim@yahoo.com.br</a>&gt;</span> escreveu:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div style="font-size:12pt;font-family:times new roman,new york,times,serif"><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left">Boa noite pessoal</span></div>
<div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left">eu tenho um modelo gerado utilizando a função lme do pacote nlme.</span></div>
<div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left">Agora eu preciso estimar os componentes da Variância desse
 modelo, mas a função VarCorr() me retorna um erro.</span></div><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left">Alguém sabe qual o problema e como eu faço para estimar os componentes da variância do meu modelo?</span></div>
<div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left"><br>
</span></div><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left">Obrigada</span></div>
<div style="text-align:left"><font face="Arial, &#39;Liberation Sans&#39;, &#39;DejaVu
 Sans&#39;, sans-serif"><span style="font-size:14px;line-height:18px">Isabel Amorim</span></font></div><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left"><br>
</span></div><div><span style="text-align:left"><font face="Arial, &#39;Liberation Sans&#39;, &#39;DejaVu Sans&#39;, sans-serif"><div style="font-size:14px;line-height:18px">model2&lt;-lme(atr1~prod, random=list(const=pdBlocked(list(~ass-1, ~ass:prod-1),pdClass=&quot;pdIdent&quot;)),data=panel2)</div>
<div style="font-size:14px;line-height:18px">(VarCorr(model2)</div><div><div><span style="font-size:14px;line-height:18px">Erro em function (classes, fdef, mtable)  : </span></div><div><span style="font-size:14px;line-height:18px">  unable to find an inherited method for function &quot;VarCorr&quot;, for signature
 &quot;lme&quot;</span></div><div style="font-size:14px;line-height:18px"><br></div></div></font></span></div><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left"><br>
</span></div><div style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:12pt"><span style="font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;font-size:14px;line-height:18px;text-align:left"><br>
</span></div><div style="text-align:left"><font face="Arial, &#39;Liberation Sans&#39;, &#39;DejaVu Sans&#39;, sans-serif"><span style="font-size:14px;line-height:18px"><br></span></font></div>  </div></div><br>_______________________________________________<br>

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