Statistics

# How do you calculate a variance covariance matrix explain with an example?

345 ###### 2012-05-04 05:30:10

variance - covariance - how to calculate and its uses

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## Related Questions Here's a link to a website that has an example http://www.itl.nist.gov/div898/handbook/pmc/section5/pmc541.htm and another example for understanding covariance and variance http://www.visualstatistics.net/Visual%20Statistics%20Multimedia/covariance.htm  define BCNF. Explain with appropriate example Budgetary Control concerns itself with the total costs for each department. Each variance is the responsibility of the official who is in charge of the department in which it arises. This official must then explain the cause of the variance and take to prevent its recurrence.  Explain static data member with the help of example What are conditional connectives? Explain use of conditional connectives with an example "What are the benefits of measures of central tendency? Explain with an example describe and explain an example of selective breeding in plants? How do you insert a watermark in the Word document? Explain with example. 1 Explain listing process with suitable example &amp; Diagram ok this question is qute simple to explain....just look at your keyboard and look at between the letters y and i... now u found the answer :)  The cause of one (adverse) variance may be wholly or partly explained by the cause of another (favourable) variance.Material price or material usage and labour efficiencyLabour rate and material usageSales price and sales volume My teacher asked me to explain why I was late for class.Photosynthesis is difficult to explain.  it Means To Calculate Explain If I Say Compute 3.52 X 14 It mean to calculate get it i hope you do  which type of partical in strong interaction .explain with example  Newton's F=ma is an example of a law that could explain all motion in the universe. When alpha is 2 or less than 2 the variance of the inverse gamma doesn't exist. That is why when the variance is defined for the inverse gamma it always says "for &alpha; &gt; 2". It is also the case that when alpha is 1 or less the mean of the inverse gamma doesn't exist. In order to really undertand what it means to say the variance doesn't exist (or the mean doesn't exist) you need to understand the mathematical definition of the variance (and of the mean). I don't know how to add the necessary symbols to clearly explain this. However, just briefly, mathematically both the mean and variance of the gamma density are definite integrals over the support of the density, which is 0 to infinity. In general, sometimes a definity integral over an infinite range (negative and/or positive) exists and sometimes it doesn't. In the case of the definite integral for the variance on the inverse gamma, when alpha less than or equal to 2, this integral doesn't exist.  sometimes an author will use the character as an example to what its trying to explain Explain the following terms in the context of object oriented programming. Also explain how these concepts are implemented in C++ by giving an example program for each.

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