curvefit1

How to download and try this example

Usage: pl -gif curvefit1.htm
Uses the data file curve2.dat

// Read data from curve2.dat #proc getdata file: curve2.dat #proc areadef rectangle: 1 1 5 2 xrange: 330 350 yrange: 70 120 // Do the green grid lines.. #proc yaxis ticincrement: 10 grid: color=green stubs: none tics: none // Do the red line.. #proc lineplot xfield: 1 yfield: 2 linedetails: color=red // Compute a moving average curve and display it in blue.. #proc curvefit xfield: 1 yfield: 2 order: 20 linedetails: color=blue