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عمومی::
دو متغیره، دومتغیری
We also present a new, and apparently quite flexible, bivariate mixture-of-gammas model for the driving Lévy process.
The convenience of the series expansion is especially ap- parent in a bivariate (or multivariate) situation, because the need to determine the tail mass functions and copula function is completely circumvented.
4.2 A Bivariate Mixture of Gammas
Figure 9(c) shows the leverage effect, which in this setup is generated by the neg- ative covariance between price jumps and variance increments in the bivariate gamma mixture model.
We have also presented a new, and ap- parently quite flexible, bivariate mixture of gammas model for the driving Lévy process.،We estimated the bivariate relationships between leader humor expression and its out- comes and between leader trait humor and its outcomes.
Bivariate correlations.
On the other hand, due to limited research on leader trait humor, we were only able to estimate the bivariate relationships between leader trait humor and four out- comes-leadership effectiveness appraisals, follower OCB, follower job satisfaction, and LMX.
& Podsakoff, 2012) moderated the bivariate relations between leader humor expression and
, 2018) found a null bivariate correlation.
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