Dataset: frac_grad.dat Source: V.A. Akinbinu (2010). "Prediction of Fracture Gradient from Formation Pressures and Depth Using Correlation and Stepwise Multiple Regression Techniques," Journal of Petroleum Science and Engineering, Vol.72, pp.10-17 Description: Measurements of fracture gradient (response), true vertical depth of field (TVD), pore pressure, and overburden pressure for offshore well (n=24). Variables/Columns: True Vertical Depth 4-8 Pore Pressure 12-16 Overburden pressure 18-24 Fracture Gradient 26-32