Noun1.phi coefficient- an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female) fourfold point correlation,phi correlation statistics- a branch of applied mathematics concerned with the collection and interpretation of qu...
Ekström, J.: The Phi-coefficient, the Tetrachoric Correlation Coefficient, and the Pearson-Yule Debate http://statistics.ucla.edu/preprints/uclastat-preprint-2008:40 (retrieved February 20, 2015)Ekström, J.: The Phi-coefficient, the Tetrachoric Correlation Coefficient, ...
The value r^2 is called the coefficient of determination because it measures the proportion of variability in one variable that can be determined from the relationship with the other variable. A correlation of r = 0.8, for example, means that r^2 = 0.64 or (64%) of the variability in th...
The cα coefficient is a measure of the degree to which a defect state transforms according to irrep α. Performing the symmetry analysis within a radius of a few Å of the center of symmetry leads to a correct classification of the totally symmetric a1 state and the degenerate ex and ...
The ideal regime for application to GWD noise evasion is when ΓS exceeds ΩS, as it opens up the possibility to reduce the effective resonance frequency down to zero, \({\tilde{{{\Omega }}}_{S}=0\), which occurs at \({{{\Gamma }}}_{S}\sin (2\phi )=-{{{\Omega }}}_{...
The coefficient of variation is expressed as a percentage. a) True b) False Find the coefficient of determination and give an interpretation of it in the context of the problem. Explain when the phi coefficient should be used. What is the range of feasible values for the coefficient of deter...
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1d). The diffusion coefficient was extracted from the TRS measurements under a pump energy of 2.30, 1.90, and 1.65 eV. The 1.4 M and 2.0 M perovskites showed diffusion coefficients of 0.97 and 1.01 cm2/s respectively (see Supplementary Note 1 for modeling details)18. Combining ...
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