¿Lógico o ilógico? Indicate whether the statement below is lógico (true) or ilógico (false). Busqué por horas, pero no encontré la casa de David. No quise visitarlo.
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Applying both seasonal and regular differencing to a time se…
Applying both seasonal and regular differencing to a time series ensures that the differenced series will be stationary.
After fitting a model to time series data, residuals are obt…
After fitting a model to time series data, residuals are obtained. If we run a Shapiro Wilk test, and get a p-value of 0.84. What conclusion would you make?
If a time series follows an AR(1) process, the autocorrelati…
If a time series follows an AR(1) process, the autocorrelation function
Which of the following properties are necessary for weak sta…
Which of the following properties are necessary for weak stationarity in time series? Choose all correct answers.
Select the correct statements. Choose all correct answers.
Select the correct statements. Choose all correct answers.
Which of the following are advantages of using Maximum Likel…
Which of the following are advantages of using Maximum Likelihood Estimation (MLE) in time series analysis? Choose all correct answers.
If the moving average width in a trend estimation model is i…
If the moving average width in a trend estimation model is increased, the estimated trend becomes smoother.
For a white noise process, which of the following are true?…
For a white noise process, which of the following are true? Choose all correct answers.
Which of the following are techniques used to estimate the p…
Which of the following are techniques used to estimate the parameters of an ARMA model? Choose all correct answers.