use Statistics::R ;
  my $R = Statistics::R->new() ;
  
  $R->startR ;
  $R->send(q`pdf("/tmp/examplot.pdf")`) ;
  $R->send(q`adata <- c(10,20,30,25,24,23,12,7,8,9,10,10,28,29,29,34,3
+8,38,11,14,40,42,41)`) ;
  $R->send(q`bdata <- c(0,3,4,4,1,1,1,7,7,7,1,0,7,4,7,2,1,3,1,0,10,9,1
+1)`) ;
  $R->send(q`plot(adata,bdata, xlab = 'temp', ylab = 'laziness', main 
+= 'silly  experiment')`);
  $R->send(q`lines(lowess(adata,bdata),f = 4/5, col = 'Red')`) ;
  my $ret = $R->read ;
  
  $R->stopR();

system("xpdf /tmp/examplot.pdf") or die $!;

[download]

In reply to Re: How to graph trendline by pvaldes
in thread How to graph trendline by djones

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