Calculates the necessary vec space needed to pad the vectors for seasonal terms.
sarma_components(objdesc)
A vec
with the appropriate sarima object description
A vec
with the structure:
Number of Non-Seasonal AR Terms
Number of Non-Seasonal MA Terms
Number of Seasonal AR Terms
Number of Seasonal MA Terms
Number of Seasons (e.g. 12 is year)
Total number of phi terms
Total number of theta terms