نتایج جستجو برای: distribution mapping

تعداد نتایج: 793039  

ژورنال: علوم آب و خاک 2017

Mapping the spatial distribution of soil taxonomic classes is important for useful and effective use of soil and management decisions. Digital soil mapping (DSM) may have advantages over conventional soil mapping approaches as it may better capture observed spatial variability and reduce the need to aggregate soil types. A key component of any DSM activity is the method used to define the relat...

Journal: :تحقیقات نظام سلامت 0
امیر کاوسی دانشیار آمار، گروه علوم پایه، دانشکده سلامت، ایمنی و محیط زیست، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران یوسف بشیری دانشجوی کارشناسی ارشد، گروه آمار زیستی، دانشکده پیراپزشکی، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران یداله محرابی استاد آمار زیستی، گروه اپیدمیولوژی ، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران کوروش اعتماد استادیار اپیدمیولوژی، گروه اپیدمیولوژی ، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران

abstract background: in iran gastric cancer is the second most common cancer and the most cause of death cancer, the aim of this study is provide map geographical distribution of gastric cancer and detect high risk cluster with use of space-time scan statistic. methods: this was an applied study. the data is provided from reports published by center for disease control office in ministry of hea...

Journal: :Genetics 1995
L Kruglyak E S Lander

Genetic mapping of quantitative trait loci (QTLs) is performed typically by using a parametric approach, based on the assumption that the phenotype follows a normal distribution. Many traits of interest, however, are not normally distributed. In this paper, we present a nonparametric approach to QTL mapping applicable to any phenotypic distribution. The method is based on a statistic ZW, which ...

Journal: :Landscape Ecology and Management 2014

Abdoreza Salahimoghadam, Alireza KHoshdel, Mohammad Barati, Mohammad Mahdi Sedaghat,

Introduction: In spite of public health level improvement in Iran, Malaria is still an important health problem in the southeast corner of the country. Mapping distribution of endemic diseases with their relations to geographical factors has become important for public health experts. This study was carried out to provide the distribution maps of the geographical pathology of Malaria in Iran wi...

Journal: :International Journal of Geosciences 2011

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