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  2. Rajat Arora - Wikipedia

    en.wikipedia.org/wiki/Rajat_Arora

    Rajat Arora (born 23 July 1975) is an Indian screenwriter known for his work in Hindi-language films and television.He is notably known for writing films such as Taxi No. 9211 (2006), Chandni Chowk to China (2009), Once Upon a Time in Mumbaai (2010), [2] The Dirty Picture (2011), [3] Kick (2014), [4] Gabbar Is Back (2015), Azhaar (2016) and Baadshaho (2017). [5]

  3. Correlation - Wikipedia

    en.wikipedia.org/wiki/Correlation

    The correlation matrix is symmetric because the correlation between and is the same as the correlation between and . A correlation matrix appears, for example, in one formula for the coefficient of multiple determination , a measure of goodness of fit in multiple regression .

  4. Covariance and correlation - Wikipedia

    en.wikipedia.org/wiki/Covariance_and_correlation

    With any number of random variables in excess of 1, the variables can be stacked into a random vector whose i th element is the i th random variable. Then the variances and covariances can be placed in a covariance matrix, in which the (i, j) element is the covariance between the i th random variable and the j th one.

  5. Lewandowski-Kurowicka-Joe distribution - Wikipedia

    en.wikipedia.org/wiki/Lewandowski-Kurowicka-Joe...

    Bayesian hierarchical modeling often tries to make an inference on the covariance structure of the data, which can be decomposed into a scale vector and correlation matrix. [3] Instead of the prior on the covariance matrix such as the inverse-Wishart distribution , LKJ distribution can serve as a prior on the correlation matrix along with some ...

  6. Brain connectivity estimators - Wikipedia

    en.wikipedia.org/wiki/Brain_connectivity_estimators

    Classical estimators of connectivity are correlation and coherence. The above measures provide information on the directionality of interactions in terms of delay (correlation) or coherence , however the information does not imply causal interaction. Moreover, it may be ambiguous, since phase is determined modulo 2π.

  7. Correlation matrix - Wikipedia

    en.wikipedia.org/?title=Correlation_matrix&...

    To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}} instead.

  8. Correlation function (statistical mechanics) - Wikipedia

    en.wikipedia.org/wiki/Correlation_function...

    One common correlation function is the radial distribution function which is seen often in statistical mechanics and fluid mechanics. The correlation function can be calculated in exactly solvable models (one-dimensional Bose gas, spin chains, Hubbard model) by means of Quantum inverse scattering method and Bethe ansatz. In an isotropic XY ...

  9. Coefficient of multiple correlation - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_multiple...

    The coefficient of multiple correlation is known as the square root of the coefficient of determination, but under the particular assumptions that an intercept is included and that the best possible linear predictors are used, whereas the coefficient of determination is defined for more general cases, including those of nonlinear prediction and those in which the predicted values have not been ...