Mathematics · Statistics & Time Series Analysis
In time series analysis, what does a 'lag' refer to?
- 1The reaction time delay between a physical stimulus and a response
- 2The difference between actual and predicted statistical values
- 3A period of complete inactivity in the data series
- 4The time interval or number of time periods separating two observations✓
Correct answer
The time interval or number of time periods separating two observations
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