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    Segue o solicitado Mauro,<br>
    <br>
    <br>
    ##Pacotes
    e-------------------------------------------------------------<br>
    require(httr)<br>
    require(XML)<br>
    <br>
    <br>
    ##  Função de leitura do banco de dados do APP
    #--------------------------------<br>
    readFE<- function (x, URL = ""){<br>
    FILE <- GET(url=URL)<br>
         tables <- getNodeSet(htmlParse(FILE), "//table") <br>
         FE_tab <- readHTMLTable(tables[[1]], <br>
                            header =
    c("empresa","desc_projeto","desc_regiao", <br>
                                      
    "cadastrador_por","cod_talhao","descricao", <br>
                                      
    "formiga_area","qtd_destruido","latitude", <br>
                                       "longitude","data_cadastro"), <br>
                            colClasses =
    c("character","character","character", <br>
                                          
    "character","numeric","character", <br>
                                          
    "numeric","numeric","numeric", <br>
                                           "numeric","character"), <br>
                            trim = TRUE, stringsAsFactors = FALSE <br>
    )     <br>
         x<-NULL<br>
         results <- x<br>
         x<-FE_tab[-(1),]<br>
         results <- x<br>
        
    results<-results[!apply(results,1,function(x){any(x=="(NULL)")}),]<br>
         results<br>
    }<br>
    #--#<br>
tableFE<-readFE(URL=<a class="moz-txt-link-rfc2396E" href="https://www.dropbox.com/s/znmr0lwda2y6fc5/BD_teste2.html?dl=1">"https://www.dropbox.com/s/znmr0lwda2y6fc5/BD_teste2.html?dl=1"</a>)<br>
    head(tableFE)<br>
    #------<br>
    <br>
    lista <- split(tableFE, tableFE$descricao)<br>
    lapply(lista, function(x) aggregate(x[,7:8],
    by=list(x[,3],x[,2],x[,5]), mean))<br>
    <br>
    <br>
    <br>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
======================================================================
Alexandre dos Santos
Proteção Florestal 
IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso
Campus Cáceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial 
Cáceres - MT                      CEP: 78.200-000
Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)
<a class="moz-txt-link-abbreviated" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> 
        <a class="moz-txt-link-abbreviated" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a> 
Lattes: <a class="moz-txt-link-freetext" href="http://lattes.cnpq.br/1360403201088680">http://lattes.cnpq.br/1360403201088680</a>
OrcID: orcid.org/0000-0001-8232-6722 
Researchgate: <a class="moz-txt-link-freetext" href="https://www.researchgate.net/profile/Alexandre_Santos10">https://www.researchgate.net/profile/Alexandre_Santos10</a>                       
LinkedIn: <a class="moz-txt-link-freetext" href="https://br.linkedin.com/in/alexandre-dos-santos-87961635">https://br.linkedin.com/in/alexandre-dos-santos-87961635</a>
======================================================================
</pre>
    <div class="moz-cite-prefix">Em 22/01/2016 03:20, Mauro Sznelwar
      escreveu:<br>
    </div>
    <blockquote cite="mid:004e01d154dc$f67005d0$e3501170$@com.br"
      type="cite">
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      <div class="Section1">
        <p class="MsoNormal"><span
style="font-family:"Arial","sans-serif";color:#1F497D">Pode
passar
            o código com o data-set para rodar?</span><span
            style="font-family:"Arial","sans-serif""><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal">Muito obrigado Éder e Manuel, faltou o
          pacote httr,<br>
          <br>
          Abraços,<br>
          <br>
          <o:p></o:p></p>
        <pre>-- <o:p></o:p></pre>
        <pre>======================================================================<o:p></o:p></pre>
        <pre>Alexandre dos Santos<o:p></o:p></pre>
        <pre>Proteção Florestal <o:p></o:p></pre>
        <pre>IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso<o:p></o:p></pre>
        <pre>Campus Cáceres<o:p></o:p></pre>
        <pre>Caixa Postal 244<o:p></o:p></pre>
        <pre>Avenida dos Ramires, s/n<o:p></o:p></pre>
        <pre>Bairro: Distrito Industrial <o:p></o:p></pre>
        <pre>Cáceres - MT                      CEP: 78.200-000<o:p></o:p></pre>
        <pre>Fone: (+55) 65 8132-8112 (TIM)   (+55) 65 9686-6970 (VIVO)<o:p></o:p></pre>
        <pre><a moz-do-not-send="true" href="mailto:e-mails:alexandresantosbr@yahoo.com.br">e-mails:alexandresantosbr@yahoo.com.br</a> <o:p></o:p></pre>
        <pre>        <a moz-do-not-send="true" href="mailto:alexandre.santos@cas.ifmt.edu.br">alexandre.santos@cas.ifmt.edu.br</a> <o:p></o:p></pre>
        <pre>Lattes: <a moz-do-not-send="true" href="http://lattes.cnpq.br/1360403201088680">http://lattes.cnpq.br/1360403201088680</a><o:p></o:p></pre>
        <pre>OrcID: orcid.org/0000-0001-8232-6722 <o:p></o:p></pre>
        <pre>Researchgate: <a moz-do-not-send="true" href="https://www.researchgate.net/profile/Alexandre_Santos10">https://www.researchgate.net/profile/Alexandre_Santos10</a>                       <o:p></o:p></pre>
        <pre>LinkedIn: <a moz-do-not-send="true" href="https://br.linkedin.com/in/alexandre-dos-santos-87961635">https://br.linkedin.com/in/alexandre-dos-santos-87961635</a><o:p></o:p></pre>
        <pre>======================================================================<o:p></o:p></pre>
        <div>
          <p class="MsoNormal">Em 21/01/2016 21:48, Éder Comunello
            escreveu:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <div>
            <div>
              <p class="MsoNormal"><span
                  style="font-family:"Verdana","sans-serif"">Alexandre,</span><o:p></o:p></p>
            </div>
            <div>
              <p class="MsoNormal"><o:p> </o:p></p>
            </div>
            <div>
              <p class="MsoNormal"><span
                  style="font-family:"Verdana","sans-serif"">Tente
                  a
                  seguinte linha:</span><o:p></o:p></p>
            </div>
            <div>
              <p class="MsoNormal"><o:p> </o:p></p>
            </div>
            <div>
              <p class="MsoNormal"><span
                  style="font-family:"Verdana","sans-serif"">l</span><span
                  style="font-family:"Courier New"">apply(lista,
                  function(x) aggregate(x[,7:8],
                  by=list(x[,2], x[,5]), mean)) </span><span
                  style="font-family:"Verdana","sans-serif""> </span><o:p></o:p></p>
            </div>
          </div>
          <div>
            <p class="MsoNormal"><br clear="all">
              <o:p></o:p></p>
            <div>
              <div>
                <div>
                  <div>
                    <div>
                      <div>
                        <div>
                          <div>
                            <p class="MsoNormal"><span
                                style="font-family:"Cambria
                                Math","serif"">​</span><span
                                style="font-family:"Trebuchet
                                MS","sans-serif""><o:p></o:p></span></p>
                          </div>
                          <p class="MsoNormal"><span
                              style="font-family:"Arial","sans-serif"">================================================<br>
                              Éder Comunello</span> <o:p></o:p></p>
                          <div>
                            <p class="MsoNormal"><span
                                style="font-family:"Arial","sans-serif"">PhD
                                Student
                                in Agricultural Systems
                                Engineering (USP/Esalq)</span><o:p></o:p></p>
                          </div>
                          <div>
                            <p class="MsoNormal">Brazilian Agricultural
                              Research Corporation (<span
                                style="font-family:"Arial","sans-serif"">Embrapa)</span>
                              <o:p></o:p></p>
                            <div>
                              <p class="MsoNormal"><span
                                  style="font-family:"Arial","sans-serif"">Dourados,
                                  MS,
                                  Brazil [</span>22 16.5'S, 54 49.0'W<span
style="font-family:"Arial","sans-serif"">]</span><o:p></o:p></p>
                            </div>
                            <div>
                              <div>
                                <p class="MsoNormal"><o:p> </o:p></p>
                              </div>
                              <div>
                                <p class="MsoNormal"><o:p> </o:p></p>
                              </div>
                            </div>
                            <div>
                              <p class="MsoNormal"><o:p> </o:p></p>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
            <p class="MsoNormal"><o:p> </o:p></p>
            <div>
              <p class="MsoNormal">Em 21 de janeiro de 2016 17:55,
                Manoel Galdino <<a moz-do-not-send="true"
                  href="mailto:mcz.fea@gmail.com" target="_blank">mcz.fea@gmail.com</a>>
                escreveu:<o:p></o:p></p>
              <div>
                <div>
                  <p class="MsoNormal" style="margin-bottom:12.0pt">Nem
                    consigo executar sua função
                    de begar o banco, diz q não existe GET<o:p></o:p></p>
                </div>
                <p class="MsoNormal">cheguei a carrega o pacote XML, mas
                  tbm não funfou<o:p></o:p></p>
              </div>
              <div>
                <div>
                  <div>
                    <p class="MsoNormal"><o:p> </o:p></p>
                    <div>
                      <p class="MsoNormal">2016-01-21 18:28 GMT-02:00
                        ASANTOS <<a moz-do-not-send="true"
                          href="mailto:alexandresantosbr@yahoo.com.br">alexandresantosbr@yahoo.com.br</a>>:<o:p></o:p></p>
                      <div>
                        <p class="MsoNormal">Éder,<br>
                          <br>
                             A sua solução não funcionou com meu exemplo
                          real e não consigo
                          achar o problema, sendo que:<br>
                          <br>
                          ##  Função de leitura do banco de dados <br>
                          readFE<- function (x, URL = ""){<br>
                          FILE <- GET(url=URL)<br>
                               tables <- getNodeSet(htmlParse(FILE),
                          "//table") <br>
                               FE_tab <- readHTMLTable(tables[[1]], <br>
                                                 
                          header =
                          c("empresa","desc_projeto","desc_regiao", <br>
                                                            
                          "cadastrador_por","cod_talhao","descricao", <br>
                                                            
                          "formiga_area","qtd_destruido","latitude", <br>
                                                            
                          "longitude","data_cadastro"), <br>
                                                 
                          colClasses =
                          c("character","character","character", <br>
                                                                
                          "character","numeric","character", <br>
                                                                
                          "numeric","numeric","numeric", <br>
                                                                
                          "numeric","character"), <br>
                                                 
                          trim = TRUE, stringsAsFactors = FALSE <br>
                          )     <br>
                               x<-NULL<br>
                               results <- x<br>
                               x<-FE_tab[-(1),]<br>
                               results <- x<br>
                              
                          results<-results[!apply(results,1,function(x){any(x=="(NULL)")}),]<br>
                               results<br>
                          }<br>
                          #--#<br>
                          tableFE<-readFE(URL=<a
                            moz-do-not-send="true"
                            href="https://www.dropbox.com/s/znmr0lwda2y6fc5/BD_teste2.html?dl=1"
                            target="_blank"><a class="moz-txt-link-rfc2396E" href="https://www.dropbox.com/s/znmr0lwda2y6fc5/BD_teste2.html?dl=1">"https://www.dropbox.com/s/znmr0lwda2y6fc5/BD_teste2.html?dl=1"</a></a>)<br>
                          tableFE<-tableFE[1:163,1:11]<br>
                          head(tableFE)<br>
                          <br>
                          ##Agregando os resultados<br>
                          lista <- split(tableFE, tableFE$descricao)<br>
                          lapply(lista, function(x) aggregate(x[,7:8],
                          by=list(x[,2]), mean))  ##
                          Não funciona<br>
                          <br>
                          <br>
                          mas se eu faço item por item funciona e não
                          sei porque, sendo:<br>
                          <br>
                          aggregate(lista$`Psilideo-de-Concha`[,7:8],
                          by=list(lista$`Psilideo-de-Concha`[,2],lista$`Psilideo-de-Concha`[,5]),
                          mean)<br>
                          <br>
                          Poderia me dar mais um help?<br>
                          <br>
                          Obrigado,<br>
                          <br>
                          Abraços<br>
                          <br>
                          <o:p></o:p></p>
                        <pre>-- <o:p></o:p></pre>
                        <pre>======================================================================<o:p></o:p></pre>
                        <pre>Alexandre dos Santos<o:p></o:p></pre>
                        <pre>Proteção Florestal <o:p></o:p></pre>
                        <pre>IFMT - Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso<o:p></o:p></pre>
                        <pre>Campus Cáceres<o:p></o:p></pre>
                        <pre>Caixa Postal 244<o:p></o:p></pre>
                        <pre>Avenida dos Ramires, s/n<o:p></o:p></pre>
                        <pre>Bairro: Distrito Industrial <o:p></o:p></pre>
                        <pre>Cáceres - MT                      CEP: 78.200-000<o:p></o:p></pre>
                        <pre>Fone: <a moz-do-not-send="true" href="tel:%28%2B55%29%2065%208132-8112" target="_blank">(+55) 65 8132-8112</a> (TIM)   <a moz-do-not-send="true" href="tel:%28%2B55%29%2065%209686-6970" target="_blank">(+55) 65 9686-6970</a> (VIVO)<o:p></o:p></pre>
                        <pre><a moz-do-not-send="true" href="mailto:e-mails:alexandresantosbr@yahoo.com.br" target="_blank">e-mails:alexandresantosbr@yahoo.com.br</a> <o:p></o:p></pre>
                        <pre>        <a moz-do-not-send="true" href="mailto:alexandre.santos@cas.ifmt.edu.br" target="_blank">alexandre.santos@cas.ifmt.edu.br</a> <o:p></o:p></pre>
                        <pre>Lattes: <a moz-do-not-send="true" href="http://lattes.cnpq.br/1360403201088680" target="_blank">http://lattes.cnpq.br/1360403201088680</a><o:p></o:p></pre>
                        <pre>OrcID: <a moz-do-not-send="true" href="http://orcid.org/0000-0001-8232-6722" target="_blank">orcid.org/0000-0001-8232-6722</a> <o:p></o:p></pre>
                        <pre>Researchgate: <a moz-do-not-send="true" href="https://www.researchgate.net/profile/Alexandre_Santos10" target="_blank">https://www.researchgate.net/profile/Alexandre_Santos10</a>                       <o:p></o:p></pre>
                        <pre>LinkedIn: <a moz-do-not-send="true" href="https://br.linkedin.com/in/alexandre-dos-santos-87961635" target="_blank">https://br.linkedin.com/in/alexandre-dos-santos-87961635</a><o:p></o:p></pre>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </blockquote>
      </div>
      <br>
      <br>
      <hr style="border:none; color:#909090; background-color:#B0B0B0;
        height: 1px; width: 99%;">
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        <tbody>
          <tr>
            <td style="border:none;padding:0px 15px 0px 8px"> <a
                moz-do-not-send="true"
                href="https://www.avast.com/antivirus"> <img
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                  src="http://static.avast.com/emails/avast-mail-stamp.png"
                  alt="Avast logo" border="0"> </a> </td>
            <td>
              <p style="color:#3d4d5a;
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                font-size:12pt;"> Este email foi escaneado pelo Avast
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      <pre wrap="">_______________________________________________
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