back_extrap_ar {spant}

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

Description

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,
  ...
)

Arguments

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.

Value

back extrapolated data.