search for: k2_rt3

...lwd=2, col="black", ) or par(mfrow=c(1,1)) plot(c(0.000001,1),c(0,100),type="n", xlab="D", ylab="% R", log="x")      points(D5$L0,D1$K2_R1,lwd=2, col="blue", )      points(D6$L0,D2$K2_R2,lwd=2, col="red", )      points(D7$L0,D3$K2_Rt3,lwd=2, col="orange", )      points(D8$L0,D4$K2_R4,lwd=2, col="black", ) but how can I plot them together? Thanks in advance for your help, I appreciate any help you can give. [[alternative HTML version deleted]]