how to generate error terms for idploy or ARMAX models
Dear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
KushanDear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
Kushan Dear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
Kushan armax, idploy, white noise, time series MATLAB Answers — New Questions