# Modelling nonnegative integer time series

SWIM S. 06/12/2018 at 21:40. 1 answers, 78 views

I have a time series of integer values $x \geqslant 0$. I would like to model it using, say, ARIMA, or Holt-Winters. How do I properly preprocess it for the task? I tried log-transform of $x' = x + 1$. Are there any other ways?