[N*(N-1)]/2
N=1700
(1700*1699)/2 = 1,444,150 Covariance
Maybe I'm not providing a full information. But if you're asking about importance of covariance in trading, then before investing you should assess if your stocks are codependent. All investors try to diversify a portfolio and minimize risks. and covariance can show if two stocks are exposed to the same risk. Now it's easily calculated, there're different services. Actually, for better understanding just read Investopedia really.
variance - covariance - how to calculate and its uses
Covariance - 2011 was released on: USA: 20 September 2011
) Distinguish clearly between analysis of variance and analysis of covariance.
How many tens are there in 1700?
how many stocks in the world now?
The covariance between two variables is simply the average product of the values of two variables that have been expressed as deviations from their respective means. ------------------------------------------------------------------------------------------------- A worked example may be referenced at: http://math.info/Statistics/Covariance
A mix of linear regression and analysis of variance. analysis of covariance is responsible for intergroup variance when analysis of variance is performed.
Covariance: An Overview. Variance refers to the spread of a data set around its mean value, while a covariance refers to the measure of the directional relationship between two random variables.
The cast of Covariance - 2011 includes: David Razowsky as Russell Gains Dawn Westlake as Genevieve Pace
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