Ggplot2
From Crop Genomics Lab.
Scatter plot
| ggplot(dataset,aes(Ks,Ka)) + geom_point(size=1.5,alpha=0.2) + geom_point(aes(colour=KaKs),alpha=0.2)+scale_colour_gradient2(limits=c(0,2),low="blue",mid="black",high="red",space="rgb",na.value="red",midpoint=1)+ scale_x_continuous(limits = c(0,5))+scale_y_continuous(limits=c(0,5)) + theme(panel.grid.minor = element_line(colour=NA)) + theme(panel.grid.major = element_line(colour=NA))+theme(panel.background = element_rect(fill=NA,colour="grey50")) + geom_abline(slope=1,colour="grey",linetype=2) |
alpha = transparent
