smoother.trackeRdata. Typically used to construct
a control argument for smoother.trackeRdata.smoother.trackeRdata. Typically used to construct
a control argument for smoother.trackeRdata.
smootherControl.trackeRdata(fun = "mean", width = 10, parallel = FALSE, cores = NULL, what = c("speed", "heart.rate"), nsessions = NA, ...)fun.options("corese") (on Windows) or options("mc.cores") (elsewhere), or, if the relevant option is unspecified, to half the number of cores detected.smoother.trackeRdata