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141507's avatar
141507
Icon for Helper I rankHelper I
9 years ago

ARIMA forecasting - Avoid negative preditions

Hi,   I am using below R code to generate Arima Forecast. The plot is successful and I dont want to see negative values in the plot. I used the lambda=0 in the arima() and my plot date is greater t...
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v-ljerr-msft's avatar
v-ljerr-msft
Icon for Microsoft Employee rankMicrosoft Employee
9 years ago

Hi 141507,

 

Here is an article about positive forecasts and forecasts constrained to an interval. Could you go to check if it helps in your scenario? :smileyhappy:

 

Regards

  • 141507's avatar
    141507
    Icon for Helper I rankHelper I
    9 years ago

    Hi,

     

    Thanks for your input, But using this, prediction line shows as constant.

     

    Do We have any other way to achieve the positive prediction since we have positive values as resource data ?

     

    Regards,

    Senthil D

    • 141507's avatar
      141507
      Icon for Helper I rankHelper I
      9 years ago

      Hi,

       

      Is any update for the above.

       

      Regards,

      Senthil D