linreg.cg()
Linear regression with Conjugate Gradient Solver
linreg.coord()
Linear regression with Coordinate descent
linreg.gs()
Linear regression with the Gauss-Seidel Solver
linreg.qr()
Linear regression with Lapack's QR solver dqrls
dqrls
linreg.sor()
Linear regression with the SOR Solver