The data file Hourly Earnings shows manufacturing hourly earnings in the United States over 24 months. Use the Holt-Winters procedure with smoothing constants ╬▒ = 0.7 and ╬▓ = 0.6 to obtain forecasts for the next 3 months.
Answer to relevant QuestionsThe data file Earnings per Share shows earnings per share of a corporation over a period of 28 years. Use a computer to prepare a time plot of this series and comment on the components of the series revealed by this plot. Using the data in the data file Earnings per Share, estimate a first-order autoregressive model for the earnings per share. Use the fitted model to obtain forecasts for the next 4 days. For many time series, particularly prices in speculative markets, the random walk model has been found to give a good representation of actual data. This model is written as follows: xt = xt-1 + ╬Át Show that, if this model ...Using the data in the file Macro2010, develop and autoregressive model for the prime interest rate. First, use the data for the period 1980, first quarter, through 2000, fourth quarter, to forecast for the quarters in years ...A small town contains a total of 1,800 households. The town is divided into three districts, containing 820, 540, and 440 households, respectively. A stratified random sample of 300 households contains 120, 90, and 90 ...
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