can a r solution pass through critical points what r solution would use a mixed odometer reading what is interpolated why does loess cross critical points how to interpolate can a spline be crossed in r? interpo r what is spline can spline be interpolated with non critical point how can i interpolate with non critical points interpolation solution what type of point does interpolation have interpolate what points are critical and noncritical what is a cross-interpolation spline when to use a spline for interpolation what is the problem of interpolation in r what is interpolation in r how to interpolate a spline in r can r interpolate through noncritical points can a spline cross through noncritical points how to use interpolated spline in r