Discretely-sampled function is first smoothed. Features of the smoothed function are then extracted. Some of the key features include mean value, first and second derivatives, critical points (i.e. local maxima and minima), curvature of cunction at critical points, wiggliness of the function, noise in data, and outliers in data.
o Released December 01, 2015. o Added `...' in some of the calls to the smoothers so that smoothing options can be specified by the user o changed the default `npts' from 100 to max(100, length(y))
o Released August 17, 2011. o Added S3 methods for class "features" o Two methods: plot (for plotting) and fget (for extracting features) o Removed the `plot.it' option
o Released August 12, 2011.