frangealternative name for frange
freq_range(X, wl = 512, it = "jpeg", line = TRUE, fsmooth = 0.1,
threshold = 10, wn = "hanning", flim = c(0, 22), bp = NULL,
propwidth = FALSE, xl = 1, picsize = 1, res = 100,
fast.spec = FALSE, ovlp = 50, pal = reverse.gray.colors.2,
parallel = 1, widths = c(2, 1), main = NULL, img = TRUE, mar = 0.05,
path = NULL, pb = TRUE)see frange for documentation. frange will be deprecated in future versions.