نتایج جستجو برای: تحلیل roc

تعداد نتایج: 255067  

Journal: :iranian red crescent medical journal 0
hamid alavi majd department of biostatistics, school of paramedical sciences, shahid beheshti university of medical sciences, tehran, ir iran ahmad reza baghestani department of biostatistics, school of paramedical sciences, shahid beheshti university of medical sciences, tehran, ir iran; department of biostatistics, school of paramedical sciences, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2122707347, fax: +98-2122707347 nasrin broumandnia department of biostatistics, school of paramedical sciences, shahid beheshti university of medical sciences, tehran, ir iran nourossadat kariman research institute for reproductive health, faculty of nursing and midwifery, shahid beheshti university of medical sciences, tehran, ir iran nastaran safavi ardebili international branch of shahid beheshti university of medical sciences, tehran, ir iran elham sajjadi department of hematology, tarbiat modares university, tehran, ir iran ,

background identification of a normal range for biomarkers, based on pregnancy outcomes (caused by their high or low values) is of special importance in clinical studies. as some pregnancy outcomes can happen in both high and low levels of biomarkers, the receiver-operating characteristic (roc) curve is unsuitable for identifying these levels separately; rather, a statistical method is preferab...

ژورنال: :علوم آب و خاک 0
حمیدرضا پورقاسمی h. r. pourghasemi حمیدرضا مرادی h. r. moradi مجید محمدی m. mohammdi رئوف مصطفی زاده r. mostafazadeh عباس گلی جیرنده a. goli jirandeh

هدف از تحقیق حاضر پهنه بندی خطر زمین لغزش با استفاده از تئوری بیزین در بخشی از استان گلستان است. به این منظور ابتدا با استفاده از نقاط لغزشی بانک اطلاعات زمین لغزش کشور (392 نقطه لغزشی) نقشه پراکنش زمین لغزش های منطقه تهیه گردید. سپس نقشه های هر یک از عوامل مؤثر بر وقوع زمین لغزش مانند درجه شیب، جهت شیب، شکل شیب، ارتفاع، کاربری اراضی، زمین شناسی، فاصله از جاده، فاصله از آبراهه، فاصله از گسل، شا...

2003
Peter A. Flach

Many different metrics are used in machine learning and data mining to build and evaluate models. However, there is no general theory of machine learning metrics, that could answer questions such as: When we simultaneously want to optimise two criteria, how can or should they be traded off? Some metrics are inherently independent of class and misclassification cost distributions, while other ar...

2008
Dorel Lucanu Gheorghe Grigoraş

ROC! is a deterministic rewrite strategy language which includes the rewrite rulesas basic operators, and the deterministic choice and the repetition as high-level strategyoperators. In this paper we present a method which, for a given term rewriting system(TRS) R, constructs a new TRS R such that R-rewriting is equivalent (sound and com-plete) with R-rewriting constrained by RO...

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