نتایج جستجو برای: spatial data analysis

تعداد نتایج: 4682427  

Journal: :Journal of Geography (Chigaku Zasshi) 2000

Journal: :Biomedical Engineering / Biomedizinische Technik 2012

Journal: :Understanding complex systems 2022

In this chapter, we discuss applications of topological data analysis (TDA) to spatial systems. We briefly review a recently proposed level-set construction filtered simplicial complexes, and then examine persistent homology in two cases studies: street networks Shanghai anomalies the spread COVID-19 infections. summarize our results provide an outlook on TDA

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1389

abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...

Journal: :journal of sciences, islamic republic of iran 2009
m. mohammadzadeh

the statistical analysis of spatial data is usually done under gaussian assumption for the underlying random field model. when this assumption is not satisfied, block bootstrap methods can be used to analyze spatial data. one of the crucial problems in this setting is specifying the block sizes. in this paper, we present asymptotic optimal block size for separate block bootstrap to estimate the...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم تربیتی و روانشناسی 1392

the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1389

in reality, most structures involved in geotechnical engineering are three dimensional in nature, and although in many, plane strain or axisymmetric approximations are reasonable, there are some, for which 3-d treatment is required. the quantity of data, and the size of the various vectors and matrices involved in such analysis, increase dramatically. this has sever implications for computer r...

Journal: :journal of research in medical sciences 0
ali ahmadi hamid soori yadollah mehrabi koorosh etemad

background: myocardial infarction (mi) is a leading cause of mortality and morbidity in iran. no spatial analysis of mi has been conducted to date. the present study was conducted to determine the pattern of mi incidence and to identify the associated factors in iran by province. materials and methods: th is study has two parts. one part is prospective and hospital-based, and the other part is ...

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