How to deal with negative forecast values in time series forecasting? Data - Monthly Rainfall of a region for the past 20 years
Objective - To Forecast for the next 2 years
I have used a SARIMA model and predictions have been done using R. but one of the forecast value is negative. how to tackle this problem in R? as it is rainfall forecast it cannot be in negative.

You can set lambda to 0, which will perform a Box-Cox transformation to your data.
See more information here: https://otexts.com/fpp2/transformations.html
