It's not clear to me quite what you want, but you might look at the type="b" argument to lines, or potentially ?points
Sarah On Mon, Sep 14, 2015 at 8:11 AM, laurafdez56 <laura.fernand...@edu.uah.es> wrote: > Hi everyone! > I want to change the line type into a square/circle/triangle in a plot, and > I can not find the way, could someone help me please?? I used the > glm/predict function to predict the curves. > > Here is my code: > > glm1<-glm(Supervivencia~Temperatura*Especie,pinos,family=binomial) > > range(pinos$Temperatura) > xv<-5:-30 > sp1<-rep("P.halepensis:-11.6(-10.6,-12)",length(xv)) > sp2<-rep("P.nigra:-23.6(-22.9,-23.9)",length(xv)) > sp3<-rep("P.pinaster:-19.2(-18.7,-19.4)",length(xv)) > sp4<-rep("P.pinea:-12.4(-11.8,-12.7)",length(xv)) > sp5<-rep("P.sylvestris:-21.4(-20.9,-21.6)",length(xv)) > sp6<-rep("P.uncinata:-21.3(-20.7,-21.6)",length(xv)) > > yv1<-predict(glm1,list(Temperatura=xv,Especie=sp1),type="response") > yv2<-predict(glm1,list(Temperatura=xv,Especie=sp2),type="response") > yv3<-predict(glm1,list(Temperatura=xv,Especie=sp3),type="response") > yv4<-predict(glm1,list(Temperatura=xv,Especie=sp4),type="response") > yv5<-predict(glm1,list(Temperatura=xv,Especie=sp5),type="response") > yv6<-predict(glm1,list(Temperatura=xv,Especie=sp6),type="response") > > > plot(Supervivencia~Temperatura,pinos, xlab=(expression(Temperature * > degree~C)), ylab="Survival",type="n") > lines(xv,yv1,lwd=2,lty=5, col="black")###halepensis > lines(xv,yv2,lwd=2,lty=6, col="black")###nigra > lines(xv,yv3,lwd=2,lty=1, col="black")###pinaster > lines(xv,yv4,lwd=2,lty=4, col="black")###pinea > lines(xv,yv5,lwd=2,lty=3, col="black")###sylvestris > lines(xv,yv6,lwd=2,lty=2, col="black")###uncinta > abline(0.5,0, col="black", lty=7) > legend(legend=levels(pinos$Especie),"topleft",bty="n",lty=c(lty=5,lty=6,lty=1,lty=4,lty=3,lty=2)) > > > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/R-lines-type-in-a-glm-predict-model-tp4712219.html > Sent from the R help mailing list archive at Nabble.com. > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.