Explain how the Holt-Winters seasonal method is used to provide forecasts.
Explain how the Holt-Winters seasonal method is used to provide forecasts.
Identify and explain TWO assumptions that are necessary for the Holt-Winters seasonal method.
Which of the following time series forecasting methods would not be used to forecast seasonal data? A. dummy variable regression B. simple exponential smoothing C. time series decomposition D. multiplicative Winters method
a) Discuss what the time series decomposition tells you about
your data series. Include discussion of the seasonal, cyclical, and
trend components.
b) Compare the time series decomposition forecasts with Holt
Winters. Within the sample, is the times series decomposition or
Holt Winters more accurate? Try to explain why. (see below for
data)
Audit Trail- Statistics Accuracy Measures MAPE R-Square Value 1.65% 98.99% Forecast Statistics Mean Standard Deviation Value 5.06 1.04 Method Statistics Method Selected Basic Method Decomposition type Value...
forcast , time series question.
(a) The values of the smoothing constants, a, y, and 8 for Holt-Winters method fall between 0 and 1. Explain what happens when each of them approaches or equals the values 0 and 1. (b) It has been found that quarterly sales of some sports drinks over 8 years has the multiplicative Holt-Winters optimum smoothing constants a=0.3, y = 0.1, and 8=0.2. It is also given that the final estimates for 131 = 168.1, 631...
When the moving average method is used to estimate the seasonal factors with quarterly sales data, a ______ period moving average is used. A. 5 B. 8 C. 4 D. 2 E. 3
Provide a minimum of two (2) examples and explain how the Rorschach Inkblot Method measure could be used in professional settings.
Explain in detail how seasons or seasonal weather patterns impact demand for destinations. More people are taking cruises these days. Describe the cruise industry business and explain the reasons the experience produces very high satisfaction ratings compared to others in the travel business. List the key attributes of a destination city that were identified in focus groups conducted by the Canadian Tourism Commission that make them attractive to tourists. Choose a destination city in Europe that you think meets the...
Using the Hershey's Chocolate Company: Given the seasonal nature of demand at Hershey's Company, how would you forecast future demand for customer visits? What criteria will you use to determine a "good" forecast? WHat methods would you use, and why? What is your final recommendation with respect to a forecasting method? Include graphs, Explain methods used and criteria used.
Explain how Niacin can be used to reduce a ketone. Please provide a mechanism. Draw by hand Explain how a cell ubiquitinates a protein and provide two possible reasonings for doing so. Explain how high levels of amino acids can act as feedback inhibitors.
Two forecasting methods use the same set of data to make forecasts. Method A has a lower MAD than method B. Will it also have a lower MAPE? Explain.