Back extrapolate time-domain data points using an autoregressive model.

Usage

back_extrap_ar(
  mrs_data,
  extrap_pts,
  pred_pts = NULL,
  method = "burg",
  rem_add = TRUE,
  ...
)

mrs_data: mrs_data object.
extrap_pts: number of points to extrapolate.
pred_pts: number of points to base the extrapolation on.
method: character string specifying the method to fit the model. Must be one of the strings in the default argument (the first few characters are sufficient). Defaults to "burg".
rem_add: remove additional points from the end of the FID to maintain the original length of the dataset. Default to TRUE.
...: additional arguments to specific methods, see ?ar.

back extrapolated data.