SAS Viya Forecasting & Optimization Practice Questions - SAS Certified Specialist Forecasting And Optimization Using SAS Viya Exam

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A retail series has zero sales on closure days. When configured as setting missing values to zero in SAS Visual Forecasting, what risk should you watch for?

The series cannot be modeled with ARIMA Forecast intervals will always be negative True structural zeros are conflated with missing observations, biasing the model The series automatically becomes nonstationary

Correct Answer:

True structural zeros are conflated with missing observations, biasing the model

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