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PODrawing an excellent cow
 

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    <p>I'm working in a big farm as a statistician and my master asked me to draw something to remind him his childhood. It was not easy for me to do that, because there was one big restriction: to do everything using only R. That's how I did that. Could You be so kind and help me to draw better cow?</p> <pre><code>library(ggplot2) sim=function(xy){ xx=xy[,"x"]*(-1) yy=xy[,"y"] gg=xy[,"gr"] xy=rbind(xy,cbind(xx,yy,gg)) return(as.data.frame(xy)) } circleFun &lt;- function(center = c(0,0),diameter = 1, npoints = 100){ r = diameter / 2 tt &lt;- seq(0,2*pi,length.out = npoints) xx &lt;- center[1] + r * cos(tt) yy &lt;- center[2] + r * sin(tt) return(data.frame(x = xx, y = yy)) } n=100 akys &lt;- circleFun(c(1,5),1.5,npoints = n) akys=as.matrix(cbind(akys,gr=4)) akys=sim(akys) akys21 &lt;- circleFun(c(1,4.5),0.5,npoints = n) akys21=as.matrix(cbind(akys21,gr=5)) akys22 &lt;- circleFun(c(-1,5.3),0.7,npoints = n) akys22=as.matrix(cbind(akys22,gr=5)) nosis=circleFun(c(0.6,1),0.6,npoints = n) nosis=as.matrix(cbind(nosis,gr=6)) nosis=sim(nosis) x=c(0,1,3,3,2,0,0,1,1,0,3,5,2) y=c(0,0,4,6,7,7,0,0,2,2,6,10,7) gr=c(2,2,2,2,2,2,3,3,3,3,1,1,1) xy=cbind(x=x,y=y,gr=gr) data=sim(xy) data=rbind(data,akys,akys21,akys22,nosis) ggplot()+geom_polygon(data=data,mapping=aes(x=x,y=y,fill=factor(gr),group=gr), linetype=0, colour="black")+theme_bw()+ scale_fill_manual(values=c("cornsilk2","chocolate4","lightpink","white","black","maroon4"))+ theme(axis.line=element_blank(),axis.ticks=element_blank(),axis.text=element_blank(),legend.position="none",panel.grid=element_blank(),panel.border=element_blank())+xlab("")+ylab("")+ ggtitle("Crazy Cow Wishing You Happy Easter!!!") </code></pre> <p><strong><a href="https://i.stack.imgur.com/DszMR.png" rel="noreferrer">See here</a></strong></p>
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    1. COI wonder if this would be better as a self-answered question...
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    2. CO@DavidRobinson I'm pondering its worth at all.
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    3. COYou may have to butter us up a bit more to get this done. You shouldn't really be milking StackOverflow like this. Mooove on to something else, no bull next time.
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