Django-dataplot Code

generic.scatter.plot <- function(x,y,ann=NULL,pch=1,
                                 fit.line=F,axis.round=2,
                                 lty.x.y=0,one.to.one=F,...) {
  par(mfrow=c(1,1))
  if(one.to.one) {
    xi <- yi <- c(min(x,y),max(x,y))
  } else {
    xi <- x
    yi <- y
  }
  plot(xi,yi,type='n',bty='n',xaxt='n',yaxt='n',...)
  axis(1,round(quantile(x),axis.round),lty=0,las=3)
  axis(2,round(quantile(y),axis.round),lty=0,las=1)
  axis(1,x,rep("+",length(x)),lty=0,line=-1)
  axis(2,y,rep("+",length(y)),lty=0,line=-1)
  if(fit.line) {
    fit <- lm(y ~ x)
    abline(fit)
  }
  abline(0,1,lty=lty.x.y)
  if(!is.null(ann)) {
    text(x,y,ann)
  } else {
    points(x,y,pch=pch)
  }
  mtext(paste('n =',length(x)))
}