Errors R time series - Decompose and Forecast

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I'm working on a time series that was working perfectly with XREG yesterday; I did not understand what happened, I must have erased something and I can not understand what the problem is.

No decomposition also gives an error:

Error in decompose(model, type = "multiplicative") : 
  série temporal não tem período, ou tem menos de 2

Could someone give a light?

    
asked by anonymous 18.03.2018 / 00:24

0 answers