<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="RIGHT: auto"><SPAN style="RIGHT: auto">Olá Marcelo eu escrevo dessa maneira quando quero alterar o eixo do gráfico.</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto">cinetica=read.csv2(file.choose(),h=T)</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto">um=lm(um~<VAR id=yui-ie-cursor></VAR>time,data=cinetica)</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto">plot(um~time,data=cinetica,xlab="t (h)",ylab="Q (µg)",xlim=c(0,170))<BR>abline(um) <BR>text(2.5,300,"R²=0.9288",adj=c(0,0))<BR>text(2.5,270,"r=0.9637",adj=c(0,0))<BR>axis(1,c(10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170))<BR><BR style="RIGHT: auto" class=yui-cursor></div></SPAN>
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<div align=center><FONT color=#0000bf face="times new roman, new york, times, serif">Daniele Portela de Oliveira</FONT></div>
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<DIV style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=hr readonly="true" contenteditable="false"></DIV><B><SPAN style="FONT-WEIGHT: bold">De:</SPAN></B> Marcelo Claro de Souza <marcelo_claro@yahoo.com.br><BR><B><SPAN style="FONT-WEIGHT: bold">Para:</SPAN></B> Rbr <r-br@listas.c3sl.ufpr.br><BR><B><SPAN style="FONT-WEIGHT: bold">Enviadas:</SPAN></B> Sexta-feira, 4 de Novembro de 2011 12:35<BR><B><SPAN style="FONT-WEIGHT: bold">Assunto:</SPAN></B> [R-br] Alterar escala eixo x<BR></FONT><BR>
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<DIV><SPAN>Plotei um gráfico utilizando os comandos abaixo e minha escala do eixo x aparece de 50 em 50, mas eu gostaria que aparecesse de 10 em 10, como faço essa alteração?</SPAN></DIV>
<DIV><SPAN>Tentei utilizar os comandos axis(1,at=seq(1,170, by=10) para substituir o eixo x, entretanto as legendas ficaram sobrepostas.</SPAN><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; TEXT-INDENT: 0px; BORDER-COLLAPSE: separate; FONT: 16px Arial; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px" class=yiv2129191300Apple-style-span><SPAN style="LINE-HEIGHT: 17px; FONT-FAMILY: Monospace; WHITE-SPACE: pre-wrap; FONT-SIZE: 13px" class=yiv2129191300Apple-style-span><PRE style="BORDER-BOTTOM-STYLE: none; LINE-HEIGHT: 1.3; BORDER-RIGHT-STYLE: none; MARGIN: 0px; OUTLINE-STYLE: none; FONT-FAMILY: Monospace; WHITE-SPACE: pre-wrap; BORDER-TOP-STYLE: none; FONT-SIZE: 10pt !important; BORDER-LEFT-STYLE: none" class=yiv2129191300GD40030CLR><SPAN style="COLOR: blue" class="yiv2129191300GD40030CCR yiv2129191300ace_keyword"><BR></SPAN></PRE></SPAN></SPAN></DIV>
<DIV><SPAN>O conjunto de dados está em anexo.<BR></SPAN></DIV>
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<DIV><SPAN>cinetica=read.csv2(file.choose(),h=T)<BR></SPAN></DIV>
<DIV><SPAN>um=lm(um~time,data=cinetica)<BR></SPAN></DIV>
<DIV>plot(um~time,data=cinetica,xlab="t (h)",ylab="Q (µg)",xlim=c(0,170))<BR>abline(um) <BR>text(2.5,325,"R²=0.9288",adj=c(0,0))<BR>text(2.5,300,"r=0.9637",adj=c(0,0))<BR><BR><BR>Muito obrigado.<BR><BR><BR></DIV>
<DIV style="TEXT-ALIGN: left"><FONT style="FONT-STYLE: italic; FONT-FAMILY: times new roman, new york, times, serif" size=4><SPAN style="COLOR: rgb(0,0,255)">Marcelo Claro de Souza</SPAN></FONT><BR></DIV>
<DIV><FONT size=1>Biologist, PhD student in Plant Biology<BR>Institute of Bioscience - UNESP, Brazil<BR><BR></FONT>
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