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I find SRIMA model (0,1,1)*(1,1,1)[12] to fit my time series model but i don't know how to write the model with mathematical way. I need help.

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  • $\begingroup$ You can also try reading this, & this. $\endgroup$ – gung - Reinstate Monica Mar 20 '17 at 23:37
  • $\begingroup$ I think you will find the information you need in the linked thread. Please read it. If it isn't what you want / you still have a question afterwards, come back here & edit your question to state what you learned & what you still need to know. Then we can provide the information you need without just duplicating material elsewhere that already didn't help you. $\endgroup$ – gung - Reinstate Monica Mar 20 '17 at 23:37

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