How to evaluate if year-over-year data is correlated and predictive

by BasketballAutomation   Last Updated January 11, 2019 11:19 AM

I'm working with data that is separated by year and classification and want to test if the data is correlated over each year. Essentially, I want to determine if the data is random each year or one year's data is correlated to the previous and possibly predictive of the future.

What statistical test is best for this?

For example: 1

Using this data, I would off-hand assume that there is correlation for users a & c. However, user b bounces between .4, .1 and .8 and thus would assume his yearly performances are fairly random.

Any and all help is appreciated! And let me know if any further clarification is helpful.

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