R/Mean_ampl.R

In Dardare/prjct:

Mean_ampl <- function(wndSize, wndStep){

  partition <- seq(from = 1, to = 240-wndSize+1, by = wndStep)

  function(i){
    wnds <- lapply(partition, function(s) {
      i[1:wndSize + s-1, ]
    })
    tmp <- do.call(c, lapply(wnds, function(k){colMeans(k)}))
    as.vector(tmp)
  }
}