curvature versus slope n = 347982 X=0, Y = 63.13 +/- 39.07 Weighted least-squares fit: Y = 77.9 + 0.946 X + -0.00898 X**2 slope versus dZ, curvature < 5 n = 2035 Weighted least-squares fit: Y = 0.5 + 1.044 X + -0.00270 X**2 at X = 100, Y = 78.0 effective RMSE xy = 122.5 slope versus dZ, curvature < 15 n = 14783 Weighted least-squares fit: Y = 6.9 + 0.950 X + -0.00245 X**2 curvature versus dZ, slope < 10 n = 211 X=0, Y = 8.67 +/- 4.90 Weighted least-squares fit: Y = 14.3 + -3.470 X + 0.53163 X**2 Number of samples 351472 Max dz = 900 Mean dz = 78 RMS dz = 113.551750317 100cm = 72.733816634 percentile value of dz