نتایج جستجو برای: mann whitney and kruskal

تعداد نتایج: 16830864  

Journal: :تحقیقات دامپزشکی 0
داور شاهسونی دانشگاه فردوسی احمدرضا موثقی دانشگاه فردوسی شیلا امیدظهیر دانشگاه فردوسی

lead is one of the heavy metal that is very toxic for environment and organisms. lead can inhibits many physiological processes and it is so dangerous for body tissues. in this study, four groups of fish (carassius auratus) 35 in each, were used for experiment. group 1 was as control, in group 2 fishes were exposed to lead acetate at concentration of 8. 5 mg/l, fishes in group 3 and 4 were also...

Journal: :Turkish Journal of Agricultural and Natural Science 2023

The aim of this study was to investigate the use renewable energy in agriculture and environmental sustainability. Data obtained with a face survey from 120 farmers whom selected randomly districts Hatay province. Kolmogorov-Smirnov test used analyze whether numerical variables fit normal distribution or not. Kruskal-Wallis for nonparametric data. found be significant Kruskal- Wallis were inter...

Journal: :The International Journal of Advanced Manufacturing Technology 2015

Journal: :Lifetime data analysis 2013
Bernard Rosner Weiliang Qiu Mei-Ling T Lee

The AUC (area under ROC curve) is a commonly used metric to assess discrimination of risk prediction rules; however, standard errors of AUC are usually based on the Mann-Whitney U test that assumes independence of sampling units. For ophthalmologic applications, it is desirable to assess risk prediction rules based on eye-specific outcome variables which are generally highly, but not perfectly ...

Journal: :Symmetry 2022

Clustered data arise frequently in many practical applications whenever units are repeatedly observed under a certain condition. One typical example for clustered animal experiments, where several animals share the same cage and should not be assumed to completely independent. Standard methods analysis of such Linear Mixed Models Generalized Estimating Equations—however, checking their assumpti...

Journal: :Nigerian journal of clinical practice 2015
F Ayranci L B Ayranci H Arslan M M Omezli M C Topcu

OBJECTIVES The aim of this study was to determine the apical surface characteristics and presence of dental cracks in single-rooted premolars, resected 3.0 mm from the root apex, using the Er: YAG laser, tungsten carbide bur, and diamond-coated tip, by scanning electron microscopy (SEM). EXPERIMENTAL DESIGN Thirty single-rooted premolar teeth were collected. The instrumented and obturated tee...

Journal: :Muhasebe ve finansman dergisi 2023

Bu çalışmanın temel amacı; Kamuyu Aydınlatma Platformu’nda yer alan bağımsız denetim kuruluşlarının, müşteri işletmelerin iç kontrol sistemini değerlendirirken yapay zekâ araçlarını kullanma seviyesini tespit etmektir. bağlamda kuruluşlarının e-mail adreslerine anket formu gönderilmiştir. Ankete 59 tane kuruluşu katılmıştır. Anketten elde edilen veriler SPSS 22.0 programı yardımıyla; Mann-Whitn...

Journal: :Türkiye mesleki ve sosyal bilimler dergisi 2022

Bu araştırmanın amacı, Şanlıurfa'da yaşayan güzellik ve kişisel bakım sektöründeki işletmelerden hizmet alan bireylerin marka güvenlerinin evangelizm düzeylerine etkisini belirlemektir. Çalışmanın bir diğer amacı ise katılımcıların demografik özellikleri bağlamında her iki değişken düzeyinde farklılık olup olmadığını Katılımcıların belirlemek amacıyla regresyon analizi yapılmıştır. Yapılan anal...

Journal: :Journal of basic and clinical health sciences 2022

Purpose: The aim of the present study was to evaluate association between perceived stress, mindfulness and coping strategies undergraduate dental students during COVID-19.
 Methods: A cross‐sectional conducted among 128 in 3rd, 4th 5th grade. Students completed surveys including Perceived Stress Scale (PSS), Mindful Attention Awareness (MAAS) Coping Orientation Problems Experienced invent...

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