نتایج جستجو برای: parametric methods two non

تعداد نتایج: 4698040  

Journal: :Medical Image Analysis 2021

• A comparison between ten methods for computing the T 2 distribution was performed. Various regularization techniques and penalty functions were tested. Our findings demonstrated need regularization. list of recommendations selecting optimal algorithms provided. The implemented packaged in a freely distributed toolbox. Multi-component relaxometry allows probing tissue microstructure by assessi...

Journal: :crop breeding journal 2011
s. s. pourdad

the occurrence of genotype × environment (ge) interaction has led to the development of several stabilityparameters that can be used to estimate the stability of cultivar performance. repeatability of 20 parametric and non-parametric stability measures across years and yield subsets as well as their association with mean seed yield and interrelationship among them in safflower (carthamus tincto...

Nowadays, one of the most important topics in risk management of banks, financial, and credit institutions is credit risk management. In this research, the researchers used survival analytic methods for credit risk modeling in terms of the conditional distribution function of default time. As a practical task, the authors considered the reward credit portfolio of Tose'e Ta'avon Bank of Guilan P...

1996
Stephen J. Roberts

Much work has been published on methods for assessing the probable number of clusters or structures within unknown data sets. This paper aims to look in more detail at two methods, a broad parametric method, based around the assumption of Gaussian clusters and the other a non-parametric method which utilises methods of scale-space ltering to extract robust structures within a data set. It is sh...

Journal: :تحقیقات آب و خاک ایران 0
مهدی قمقامی کارشناس ارشد، دانشگاه تهران نوذر قهرمان استادیار، دانشگاه تهران شهاب عراقی نژاد استادیار، دانشگاه تهران

weather data generators (wgs) have been developed for an extension of time series of such weather variables as rainfall, temperature and relative humidity to provide better understanding of systems affected by climatic factors. different algorithms have been applied in these generators, broadly divided into parametric & non-parametric ones. in this study, the performance of non-parametric gener...

Ghorban Vahbzade Karim Solaimani Mahmoud Habibnejad Roshan Pezhman Allahbakhshian Farsani,

Climatic parameters in time and space scales of change are for many reasons of Changes and how they should be based on observations using a statistical method to be determined. Analysis of the most widely used statistical methods that assess potential climate change on hydrological time series, such series of precipitation, temperature and flow rate used. This study of 11 synoptic,rain gage and...

The challenge of the interaction of genotype × environment is one of the main issues in plant breeding. Various statistical methods to estimate the interaction of genotype × environment and choice the stable and productive genotype(s) have been introduced. In this study, 14 lentil genotypes along with two controls (Sepehr and Gachsaran cultivars) were evaluated during four growing seasons (2016...

Journal: :international journal of industrial mathematics 0
m. rahimpoor department of industrial engineering, kharazmi university, tehran, ‎iran‎. a. heshmati department of of economics, sogang university, seoul, ‎korea‎. a. ahmadizad department of systems management, university of kurdistan, sanandaj, ‎iran‎‎.

introduction of human development index (hdi) by undp in early 1990 followed a surge in use of non-parametric and parametric indices for measurement and comparison of countries performance in development, globalization, competition, well-being and etc. the hdi is a composite index of three indicators. its components are to reflect three major dimensions of human development: longevity, knowledg...

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