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Forecasting values >= 0 #779
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Sometimes it requires to forecast values that can be only more or equal zero (for instance, views). What model should I use or what parameters should I add to model to fulfill this condition?
Hi @eliassz , in some tutorials, we did use a simple log1p (or log1p-log if you have regressors) transformation. For highly skewed response, you can also consider a box-cox transformation to reverse the normality. Hope this help.
Thank you for the answer! But can please give me links to such tutorials?
Sometimes it requires to forecast values that can be only more or equal zero (for instance, views). What model should I use or what parameters should I add to model to fulfill this condition?