What is a stationary time series?

1.	What is a stationary time series?
Answer» A stationary TIME SERIES has the following characteristics: Mean or average is constant over time Variance is constant over time Autocorrelation is constant over time Seasonality component MAY not have much impact over time This type of time series is typically easy to predict as there not much VARIATIONS EXPECTED in the pattern and trend.

Answer»

A stationary TIME SERIES has the following characteristics:

Mean or average is constant over time
Variance is constant over time
Autocorrelation is constant over time
Seasonality component MAY not have much impact over time

This type of time series is typically easy to predict as there not much VARIATIONS EXPECTED in the pattern and trend.

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What is a stationary time series?

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