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ISBN 978-1-4039-1800-0. Renfro, Charles G. (2004). Computational Econometrics: Its Impact on the Development of Quantitative Economics. IOS Press. ISBN 1-58603-426-X. Zhu, Xiaoping; Kuljaca, Ognjen (2005). "A Short Preview of Free Statistical Software Packages for Teaching Statistics to Industrial Technology Majors" (PDF).
Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.
Nate Silver. Nathaniel Read Silver (born January 13, 1978) is an American statistician, writer, and poker player who analyzes baseball, basketball, and elections. He is the founder of FiveThirtyEight, and held the position of editor-in-chief there, along with being a special correspondent for ABC News, until May 2023. [2]
A Cal Fire firefighting engineer accused of sparking at least five fires in Northern California forest lands was arrested Friday by investigators. Stunned Cal Fire officials announced the arrest ...
Original logo (used until 1993, but carried by stores until 1997) Costco Wholesale Corporation is an American multinational corporation which operates a chain of membership-only big-box warehouse club retail stores. [4] As of 2021, Costco is the third-largest retailer in the world [5] and is the world's largest retailer of choice and prime beef ...
In 2021, it surpassed Walmart as the world's largest retailer outside of China, driven in large part by its paid subscription plan, Amazon Prime, which has close to 200 million subscribers worldwide. [ 16 ] [ 17 ] It is the second-largest private employer in the United States [ 18 ] and the second-largest company in the World and in the U.S. by ...