...

/

Some Basic Examples of Time Series

Some Basic Examples of Time Series

Learn about white noise and random walk.

White noise

Simply put, white noise is a time series with 0 mean, some variance, σ2\sigma^2, and 0 autocovariance. More formally, we would say that a series yty_t is white noise if E(yt)=0E(y_t) = 0 ...