CompTIA
DY0-001 · Question #15
Given the following: Which of the following time series models best represents this process?
The correct answer is D. AR(1). The model has a single autoregressive term and only white-noise errors, matching the definition of an AR(1) process.
Modeling, Analysis, and Outcomes
Question
Given the following:
Which of the following time series models best represents this process?
Options
- AARIMA(1,1,1)
- BARMA(1,1)
- CSARIMA(1, 1, 1) x (1, 1, 1)1
- DAR(1)
How the community answered
(33 responses)- A6% (2)
- B15% (5)
- C21% (7)
- D58% (19)
Explanation
The model has a single autoregressive term and only white-noise errors, matching the definition of an AR(1) process.
Topics
#time series#AR model#ARIMA#autoregressive process
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