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<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">Boa Tarde! Estou fazendo alguns gráficos utilizando o ggplot e gostaria de identificar alguns pontos no gráfico, bem como
adicionar uma legenda desses pontos,<span style>
</span>alguém poderia me ajudar sobre como poderia associar os pontos a uma legenda? E se há uma maneira de chamar esses pontos no gráfico de um modo mais prático? <br></span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">Lines <- </span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">"</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">x<span style> </span>y</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">0<span style> </span>34</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">1<span style> </span>40</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">2<span style> </span>58</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">3<span style> </span>78</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">4<span style> </span>108</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">5<span style> </span>126</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">6<span style> </span>130</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">7<span style> </span>147</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">8<span style> </span>157</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">9<span style> </span>162</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">10<span style> </span>168</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">11<span style> </span>175</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">12<span style> </span>165</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">13<span style> </span>188</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">14<span style> </span>232</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">15<span style> </span>250</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">16<span style> </span>278</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">17<span style> </span>284</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">18<span style> </span>280</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">19<span style> </span>310</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">20<span style> </span>312</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">21<span style> </span>320</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">22<span style> </span>352</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">23<span style> </span>380</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">24<span style> </span>386</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">25<span style> </span>426</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">26<span style> </span>422</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">27<span style> </span>440</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">28<span style> </span>455</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">29<span style> </span>468</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">30<span style> </span>480</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">31<span style> </span>486</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">32<span style> </span>485</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">33<span style> </span>490</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">34<span style> </span>492</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">35<span style> </span>500</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">36<span style> </span>490</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">37<span style> </span>505</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">38<span style> </span>504</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">39<span style> </span>505</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">40<span style> </span>500</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">41<span style> </span>503</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">42<span style> </span>492</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">43<span style> </span>486</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">44<span style> </span>490</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">45<span style> </span>496</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">46<span style> </span>500</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">47<span style> </span>507</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">48<span style> </span>500</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">49<span style> </span>492</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">"</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">"</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">dados <- read.table(textConnection(Lines), header=TRUE);
closeAllConnections()</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">dados</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">require(ggplot)</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">qplot(x,y,data=dados)+</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif""><span style> </span></span><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US">geom_smooth( method = "nls",
formula='y~b1/(1+exp(-b2-b3*x))' ,</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US"><span style>
</span>data=dados,correlation=corAR1(form=~x),</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US"><span style>
</span>start=c(b1=514,b2=-3,b3=0.1716),se = FALSE, linetype = 1.5,lwd=1)+</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US"><span style> </span>annotate("point", x =
13, y = 220, shape=8, size=6,label ="some text") +</span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US"><span style> </span>annotate("text", x =
14, y = 210, shape=15, size=4,label = "P4") </span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"" lang="EN-US"> </span></p>
<p class="MsoNormal" style="line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">Obrigada.</span></p>
<br><br><br><br><br><br><br><br><br><br clear="all"><div style="text-align:left"><div><div dir="ltr"><div><font size="1"><i><b>Iábita <br></b></i></font></div><div><font size="1" face="arial narrow, sans-serif">Doutoranda em Estatística e Experimentação agronômica na ESALQ/USP</font></div><div><font size="1" face="arial narrow, sans-serif">Mestre em Estatística e Experimentação Agropecuária na UFLA</font></div><div><font size="1" face="arial narrow, sans-serif">Licenciada em Matemática - UFPI</font></div></div></div></div>
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