What does it mean for a time series to be stationary?

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ekkarill92 answered 1 year ago

plz explain the following two concept Time series Stationary and nonstationary time series

Describe the following terms a) stationary time series b) seasonal time series c) box test (...

Describe the following terms a) stationary time series b) seasonal time series c) box test ( clearly define your notation and the null and alternative hypotheses)

(1) What two plots might you use to check whether a given time series is stationary?...

(1) What two plots might you use to check whether a given time series is stationary? How are they used? (2) What plot might you use to determine the order of an MA process? What plot might you use to determine the order of an AR process? How are they used? (3) After fitting a time series model, what two plots might you use to assess whether the fitted model is appropriate? How are they used?

Can you explain that why very crucial to know a time series is stationary or not?

Which one of the following time series is most likely to be stationary? Select one: Consumer...

Which one of the following time series is most likely to be stationary? Select one: Consumer price index Financial asset returns Life expectancy Nominal gross domestic product Provide a detailed explanation on why the selected option is correct.

A stationary time series Xt follows (1 + 0.7B − 0.3B2 )Xt = 0.4 + (1...

A stationary time series Xt follows (1 + 0.7B − 0.3B2 )Xt = 0.4 + (1 + 0.6B4 )Zt. What is the mean of Xt?

1) what does it mean when a cell or cells in a worksheet include a series...

1) what does it mean when a cell or cells in a worksheet include a series of # sign? 2) how do you control the appearance of data in a worksheet? 3) what does the format painter tool do? 4) explain the arguments used in the SUM function? 5) explain the importance of parentheses in formulas?

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What does it mean for a time series to be stationary?

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