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</o:shapelayout></xml><![endif]--></head><body lang=PT-BR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>dados1<-read.csv("C:\\Users\\Edmar\\Desktop\\dados.csv",head=T,sep=";",dec=",")<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> attach(dados1)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> head(dados1)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> Data V2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>1 02/jan/08 5.007.331,28<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2 03/jan/08 4.698.059,06<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>3 04/jan/08 4.337.845,89<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>4 07/jan/08 4.297.929,19<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>5 08/jan/08 3.922.327,63<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>6 09/jan/08 4.346.548,66<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> plot.ts(V2)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>At´q aqui OK. Porque não consigom o rban preciso de algum pacote adicional.?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>> rban<-diff(log(V2))<o:p></o:p></span></p><p class=MsoNormal>Erro em Math.factor(c(483L, 401L, 340L, 333L, 269L, 342L, 301L, 209L, : <o:p></o:p></p><p class=MsoNormal> log não faz sentido para fatores<o:p></o:p></p></div></body></html>