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Top-down forecast for new region

Let's get top-down forecasts for each of the products in the southeast coastal region. There are two products - a high value and low value. You have the following objects for sales SEC_hi, SEC_lo, and SEC_total in your workspace. You also have SEC_hi_v and SEC_lo_v for validation.

This exercise is part of the course

Forecasting Product Demand in R

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Calculate the average of historical proportions
prop_hi <- mean(___/SEC_total)
prop_lo <- mean(___/___)
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