Master Negative Number : 09296 . 38
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چکیده
منابع مشابه
Zero inflated Poisson and negative binomial regression models: application in education
Background: The number of failed courses and semesters in students are indicatorsof their performance. These amounts have zero inflated (ZI) distributions. Using ZI Poisson and negative binomial distributions we can model these count data to find the associated factors and estimate the parameters. This study aims at to investigate the important factors related to the educational performance of ...
متن کاملبهکارگیری رگرسیون پواسنی و رگرسیون دوجملهای منفی با انباشتگی صفر برای مدل سازی دادههای آموزشی
Background: Investigation through the number of failed courses and semesters in medical students is a method for assessing students’ performance. Since these amounts have a zero inflated (ZI) value in most students, use of Poisson and negative binomial distributions with ZI, in which can model count data to find the associated factors and estimate the parameters, is recommended.Methods: This cr...
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A technique has been developed to fabricate polymeric helices with sub-micron dimensions. These helices are made using a double-templating process, in which an inorganic thin film deposited using glancing angle deposition acts as the master. The shape, pitch, handedness and number of turns of the polymer helices can be tuned by altering the deposition parameters of the master film. The structur...
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A detailed analysis is performed to show that the second order time-convolutionless master equation fails to describe the exciton-phonon dynamics in a finite size lattice. To proceed, special attention is paid to characterizing the coherences of the exciton reduced density matrix. These specific elements measure the ability of the exciton to develop superimpositions involving the vacuum and the...
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