1 Create time index t, and 12 dummies (one for each month) and partition the data with a validation period size of 12 and rest as training 2 Run a linear trend model seasonality (drop the April dummy from the model) on the partitioned data Question Which of the following statement is true Training RMSE 459 05 After controlling for the trend, Sparkling wine sales in January are more than sales in April by 3 05 After controlling for the trend, Sparkling wine sales in January are more than sales in March by 6 23 Validation MAPE 10 04

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1  Create time index t, and 12 dummies (one for each month) and partition the data with a validation period size of 12 and rest as training  2  Run a linear trend model  seasonality (drop the April dummy from the model) on the partitioned data  Question  Which of the following statement is true  Training RMSE  459 05 After controlling for the trend, Sparkling wine sales in January are more than sales in April by 3 05 After controlling for the trend, Sparkling wine sales in January are more than sales in March by 6 23 Validation MAPE  10 04

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Question: 1. Create time index t, and 12 dummies (one for each month) and partition the data with a validation period size of 12 and rest

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