S
WLeast squares
WCoefficient of determinationA
WGauss–Newton algorithm
WGeneralized least squaresB
WIteratively reweighted least squares
WLeast absolute deviationsC
WLinear least squares
WNon-linear least squaresD
WNon-negative least squares
WSavitzky–Golay filterE
WOrdinary least squares
WPartial least squares regressionF
WRegularized least squares
WTotal least squares