Nothing
symbolbox<-function(x1,y1,x2,y2,tot,relw=0.5,fg=par("fg"),bg=par("bg"),
box=TRUE,debug=TRUE,...) {
if(debug) cat("symbolbox:",x1,y1,x2,y2,tot,"\n")
x <- c(x1,x2)
y <- c(y1,y2)
if (x2 < x1) x<-rev(x)
if (y2 < y1) y<-rev(y)
pin<-par("pin")
usr<-par("usr")
usr.pin<-diff(par("usr"))[c(1,3)]/par("pin")
dx<-diff(x)/usr.pin[1]
dy<-diff(y)/usr.pin[2]
area<-dx*dy
m<-dx*sqrt(tot/area)
n<-dy*sqrt(tot/area)
rm<-max(round(m),1)
rn<-max(round(n),1)
while(rm*rn < tot) {
if((dx*sqrt(tot/area)-m) > (dy*sqrt(tot/area)-n)) {
rm <- rm + 1
}
else {
rn <- rn + 1
}
}
m<-rm
n<-rn
if(debug) cat("symbolbox:",dx,dy,m,n,rm,rn,tot,"\n")
r<-dx/m*relw/2
dx<-dx/m*usr.pin[1]
dy<-dy/n*usr.pin[2]
mat<-matrix(1:(m*n),nrow=m,ncol=n)
xpos<-x[1]+(row(mat)[mat <= tot] - 0.5) * dx
ypos<-y[1]+(col(mat)[mat <= tot] - 0.5) * dy
symbols(xpos,ypos,rep(1,tot),bg=bg,fg=fg,add=TRUE,inches=r)
if(box)
polygon(x[c(1,1,2,2,1)],y[c(1,2,2,1,1)],border=fg,...)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.