Sketch four time series exhibiting each of the characteristics
listed below in i-iv. Make a note alongside each of your four
sketches which indicate how you have shown the key characteristic
in that individual sketch.
(i) Time varying mean
(ii) Time varying variance
(iii) Time varying covariance
(iv) Stationarity
Sketch four time series exhibiting each of the characteristics listed below in i-iv. Make a note alongside each of your
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