Examlex
At a day care center a researcher asks children to list their five favorite toys from most favorite to least favorite. What level of measurement is represented in this example?
Holt's Model
A forecasting technique that extends exponential smoothing to capture trends in the data.
Alpha
In investing, alpha is a measure of performance on a risk-adjusted basis, comparing an investment's excess returns to the market's returns.
Seasonality
A pattern in data that repeats at regular intervals over time, often observed in sales, weather patterns, and agricultural production.
Forecast Error
The difference between the actual demand and the forecasted demand, indicating the accuracy of forecasts.
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