نتایج جستجو برای: chi square tests
تعداد نتایج: 468254 فیلتر نتایج به سال:
We investigate the relationship between IL-18 -607C/A and -137G/C genetic polymorphisms and development of acute pancreatitis in a Chinese population. A total of 153 patients were consecutively recruited from the First Affiliated Hospital of Chongqing Medical University between January 2013 and November 2014. Genotyping of IL-18 -607C/A and -137G/C variants was performed using the polymerase ch...
Introduction: Allium cepa is a biological material of great importance for mutagenicity tests, due to the simplicity of its use in testing, the fast growth of its roots, and the response of genetic material to the presence of substances with cytotoxic and genotoxic potential. Method: The Allium test model by using the onion seed (Alium cepa L.) without the use of pesticides or any other chemica...
BACKGROUND Malocclusion should be identified at its earliest before it produces any detrimental effects. The objective of this study is to evaluate the orthodontic status and treatment need of school children in Telangana region, Andhra Pradesh, using Dental Aesthetic Index. MATERIALS & METHODS One thousand children in the age group of 12 - 14 years who fulfilled the inclusion and exclusion c...
In this article, exact properties of the chi-square test, likelihood ratio test (LRT), Hoel’s test (1938), Nass’ test (1959), and an exact test, for testing the multinomial proportions, are investigated numerically. Numerical studies show that the size behavior of the chi-square test for the multinomial distribution with three or more cells is erratic only when the probabilities are at the boun...
sdyna is a general framework designed to address large stochastic reinforcement learning (rl) problems. Unlike previous model-based methods in Factored mdps (fmdps), it incrementally learns the structure of a rl problem using supervised learning techniques. spiti is an instantiation of sdyna that uses decision trees as factored representations. First, we show that, in structured rl problems, sp...
Materials and methods: In this study, 608 patients (397 male and 211 female) admitted to a smoking cessation clinic to quit smoking between 1 January 2006 and 1 June 2010 were investigated. Routine biochemical and hematological tests, pulmonary function tests, exhaled carbon monoxide levels, electrocardiographs, and chest X-rays were obtained from all of the patients. Th e questionnaire forms, ...
In this paper, the results of some tests including the Chi-Square and the Diehard Battery tests of randomness on some pseudo random number generators are given. The generators were chosen for use in a Genetic Algorithm (GA) package called GAGENES, written in object-oriented C++. The influence of PRNG's on a GA is discussed briefly.
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