Time Series Regression and ARMA model

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ingCr
ingCr on 10 Mar 2020
Edited: ingCr on 11 Mar 2020
Hi, following question. I have a time series of 12000 lognormally distributed (mu=0 and sigma=0.25) numbers.
R=lognrnd(0,0.25,12000,1)
How do you get a regression model for that data? No function seams to support lognormal distribution. And also, for that set of data how do you decide how many lags the ARMA model need?
Please help

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