Convert stats::spec
to data.frame
# S3 method for class 'spec'
fortify(model, data = NULL, ...)
stats::spec
instance
original dataset, if needed
other arguments passed to methods
data.frame
if (FALSE) { # \dontrun{
fortify(spectrum(AirPassengers))
fortify(stats::spec.ar(AirPassengers))
fortify(stats::spec.pgram(AirPassengers))
} # }