نتایج جستجو برای: non parametric tests

تعداد نتایج: 1649609  

2002
Franck Le Duff Stéfan Jacques Darmoni Jean-Charles Dufour Michel Joubert Marius Fieschi Jacques Benichou Pierre Le Beux

Background: Constant assessment of the quality of health information on the Internet is an absolute necessity as peer rev iew is o f ten lack ing in th is media . Objective: To develop a simple and easy French Code of Ethics which will enable medical students to judge quality of health information in teaching material available on the Internet. Design: Three medical scientists selected nine cri...

Journal: :Physica A: Statistical Mechanics and its Applications 2019

Journal: :Journal of the American Statistical Association 2015
Lan Wang Bo Peng Runze Li

This work is concerned with testing the population mean vector of nonnormal high-dimensional multivariate data. Several tests for high-dimensional mean vector, based on modifying the classical Hotelling T2 test, have been proposed in the literature. Despite their usefulness, they tend to have unsatisfactory power performance for heavy-tailed multivariate data, which frequently arise in genomics...

2015
Zahra Hashemi Dehaghi Abbas Sheikhtaheri Fariba Dehnavi

BACKGROUND The association between quality of work life and participation in knowledge management is unknown. OBJECTIVES This study aimed to discover the association between quality of work life of nurse managers and their participation in implementing knowledge management. MATERIALS AND METHODS This was a correlational study. All nurse managers (71 people) from 11 hospitals affiliated with...

2015
J. Ahmadi B. Vaezi A. Shaabani K. Khademi

Multi-environment trials play a significant role in selecting the best cultivars to be used at different locations. The objective of this study was to identify grain and forage yields stability of grass pea advanced lines across different locations. The 14 advanced lines of grass pea, developed by the International Center for Agricultural Research in Dry Areas (ICARDA), were tested at three dif...

ژورنال: اقتصاد مقداری 2017

The present study investigated weak-form market information efficiency in Tehran security exchange (TSE) as an emerging market and in Dow Jones United States security exchange (DJUS) as a developed market based on random walk model. In each market, the random walk model was examined using daily and monthly returns of a set of indices. The results of the parametric and non-parametric tests indic...

ژورنال: مهندسی دریا 2012
جواهریان, محمد جواد, حسنی چالکسرا, احسان, زراعتگر, حمید, یوسف نژاد, رضا,

Analysis of wedge water entry as a basic problem has wide application. Model testing is a powerful means to deal with the said problem. In this study, a set of water entry tests on wedges of 20, 30 and 40 degrees deadrise angles has been conducted and the pressure distributions are recorded. Free falling method in symmetry conditions are considered in this research. A parametric study on pressu...

احمدزاد اصل, مسعود , افتخار, مهرداد , جلالی, امیرحسین , علوی, کاوه , پاکدل, سعید ,

Objectives: The aim of the present study was to assess the knowledge and attitude of patients with gender identity disorder (GID), presenting to Tehran Psychiatric Institute, toward Acquired immunodeficiency Syndrome (AIDS).  Method: 58 patients with gender identity disorder (41 female-to-male and 17 male-to-female) were selected using convenience sampling. The subjects completed the questionna...

Rangeland rehabilitation and optimum exploitation are the first scientific and technical efforts with various programs in range management plans (RMPs) in Iranian range management sector. The range management plans have important roles in the natural resources conservation and improvement. In the present study, we evaluated the effects of accomplishment of range management plans on vegetation c...

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