Hello,
I would like to compute ARMA and AR using arima-function in R.

My question is: If I have Null=zero values in my data, what should I do?
Remove ?  or doesn't matter for ARIMA-models and I can estimate my
coefficients  including zero values in data in arima-function in R ? What
is the better way? How to manage the data for ARIMA estimation?

Thank you.

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