specs.loess(object)
gas.m <- loess(NOx ~ E, data = gas, span = 2/3) specs(gas.m) DATA formula: NOx ~ E data: subset: na.action: model: FALSE ERRORS weights: family: gaussian SURFACE normalize: span: 0.67 degree: 2 parametric: drop.square: enp: 5.52 COMPUTING surface: interpolate statistics: approximate cell: 0.2 iterations: 4 method: loess