Hi

I would like to to do following steps with gretl if possible:
1. from a time series I have, I would like to remove trend and seasonality (equation parameters should be accessible)
I expect a sinus similar wave for seasonality eq. and a linear eq. for trend (I do not know if I can define this)
2. after removing these two "things" I would like to take the rest (the error), plot an histogram and with Maximum Likelihood extract parameters
of my density fct ...

Possible ?

Can you give me some hints ...? I will appreciate.

Thanks
GiPO

 

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