... through a forest of data points all with large error bars; or as a means of makinginitial rough estimates of simple parameters from a graph.In this section we discuss a particular type of low-pass ... fiby a linear combination gi of itself and somenumber of nearby neighbors,gi=nRn=−nLcnfi+n(14.8.1)Here nLis the number of points used “to the left” of a data point i, i.e., earlier ... argumentrespnsinroutineconvlv, a set of Savitzky-Golay filter coefficients.nlis the number of leftward (past)data points used, whilenris the number of rightward (future) data points, making the totalnumber of data points...