Question 1
What is the primary purpose of trend models in time-series analysis?
Question 2
In autoregressive models, what does the term 'p' represent?
Question 3
What is the first step in testing for nonstationarity in a time series?
Question 4
Which of the following is NOT a characteristic of seasonality in time series data?
Question 5
What is a common method for forecasting future values in time-series analysis?
