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# Compare and contrast forecasting methods

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Compare and contrast forecasting methods (e.g., seasonal, Delphi, technological, time series). Explain how a U.S. Golf Club manufacturer would use one or more of these methods to forecast demand under conditions of uncertainty.

Please provide a detailed explanation and include at least two references.

Thank you.

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Comparison of various forecasting methods:

Time series: A time series is a set of numbers that measures the status of some activity over time. It is the historical record of some activity, with measurements taken at equally spaced intervals (exception: monthly) with a consistency in the activity and the method of measurement.
The basic idea behind self-projecting time series forecasting models is to find a mathematical formula that will approximately generate the historical patterns in a time series. There are two basic approaches to forecasting time series: the self-projecting time series and the cause-and-effect approach. Cause-and-effect methods attempt to forecast based on underlying series that are believed to cause the behavior of the original series. The self-projecting time series uses only the time series data of the activity to be forecast to generate forecasts. This latter approach is typically less expensive to apply and requires far less data and is useful for short, to medium-term forecasting.

Trend Analysis: Trend Analysis uses linear and nonlinear regression with time as the explanatory variable, it is used where pattern over time have a long-term trend. Unlike most time-series forecasting techniques, the Trend Analysis does not assume the condition of equally spaced time series.

Seasonal Index: Seasonality is a pattern that repeats for each period. For example annual seasonal pattern has a cycle that is 12 periods long, if the periods are ...

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Compare and contrast forecasting methods

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