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png("#13_scatter_plot.png" , width = 480, height = 480) par(bg="white") par(mar=c(0,0,0,0)) a=seq(1:100) + 0.1*seq(1:100)*sample(c(1:10) , 100 , replace=T) b=seq(1:100) + 0.2*seq(1:100)*sample(c(1:10) , 100 , replace=T) plot(a,b , xlim=c(10,200) , ylim=c(10,200) , pch=20 , bg="white" , cex=3+(a/30) , col=rgb(a/300,b/300,0.9,0.9) ) abline(h=c(0,50,100,150) , v=c(0,50,100,150) , col="whitesmoke") dev.off() |
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