نتایج جستجو برای: parameters statistics

تعداد نتایج: 743215  

2004
Christian Beck

Superstatistics is a ‘statistics of a statistics’ relevant for driven nonequilibrium systems with fluctuating intensive parameters. It contains Tsallis statistics as a special case. We show that probability density functions of velocity differences and accelerations measured in Eulerian and Lagrangian turbulence experiments are well reproduced by simple superstatistics models. We compare fits o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1386

چکیده ندارد.

Journal: :Behavior research methods, instruments, & computers : a journal of the Psychonomic Society, Inc 2004
Rafal Bogacz Jonathan D Cohen

We present a method for estimating parameters of connectionist models that allows the model's output to fit as closely as possible to empirical data. The method minimizes a cost function that measures the difference between statistics computed from the model's output and statistics computed from the subjects' performance. An optimization algorithm finds the values of the parameters that minimiz...

Amir Reza Ghassemi Arash Shahravan, Mohammad Reza Baneshi

Descriptive statistics is the process of summarizing gathered raw data from a research and creating useful statistics, which help the better understanding of data. According to the types of variables, which consist of qualitative and quantitative variables, some descriptive statistics have been introduced. Frequency percentage is used in qualitative data, and mean, median, mode, standard deviat...

2008
Dragoş-Victor Anghel

I discuss Haldane's concept of generalised exclusion statistics (Phys. Rev. Lett. 67, 937, 1991) and I show that it leads to inconsistencies in the calculation of the particle distribution that maximizes the partition function. These inconsistencies appear when mutual exclusion statistics is manifested between different subspecies of particles in the system. In order to eliminate these inconsis...

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