UNIMPL_CMD ("SELECTPRED", "Select predictor variables")
UNIMPL_CMD ("SPCHART", "Plot control charts")
UNIMPL_CMD ("SPECTRA", "Plot spectral density")
UNIMPL_CMD ("SELECTPRED", "Select predictor variables")
UNIMPL_CMD ("SPCHART", "Plot control charts")
UNIMPL_CMD ("SPECTRA", "Plot spectral density")