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URL:  https://boards.fool.com/back-to-your-original-assumption-that-this-34250889.aspx

Subject:  Re: Historical Calculators Date:  7/15/2019  1:10 PM
Author:  sgeeeeee Number:  94550 of 95184

Back to your original assumption that this year's (or take any other period) returns are somehow a function of something - returns and dispersions from recent past for various asset classes as you assume - do you have any actual data to back it up?

Correlation is a mathematical measurement of the similarity of any two series. A correlation coefficient can be calculated between any two series. Look it up or google "correlation coefficient" if you want to see how it works.
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