Video: Introducing Time Series Data [4:38]
We learn to plot series of data against time and use techniques that ‘pull apart’ our plots to help identify patterns.
(See also the Review Questions following the movie)
After you’ve watched this video, you should be able to answer these questions:
- What is time-series data?
- Why are people interested in time-series data?
- What is quarterly data?
- Why do people plot time-series data with points joined up by lines instead of using normal scatterplots?
- What, besides trends, is another form of pattern that is very common in time-series data?
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