نتایج جستجو برای: area under the curve

تعداد نتایج: 16223024  

Journal: :Ecological applications : a publication of the Ecological Society of America 2015
Laurence E Berry Don A Driscoll John A Stein Wade Blanchard Sam C Banks Ross A Bradstock David B Lindenmayer

The increasing frequency of large, high-severity fires threatens the survival of old-growth specialist fauna in fire-prone forests. Within topographically diverse montane forests, areas that experience less severe or fewer fires compared with those prevailing in the landscape may present unique resource opportunities enabling old-growth specialist fauna to survive. Statistical landscape models ...

Journal: :Scandinavian journal of medicine & science in sports 2013
V A Aparicio A Carbonell-Baeza J R Ruiz P Aranda P Tercedor M Delgado-Fernández F B Ortega

We aimed to determine the ability of a set of physical fitness tests to discriminate between presence/absence of fibromyalgia (FM) and moderate/severe FM. The sample comprised 94 female FM patients (52 ± 8 years) and 66 healthy women (54 ± 6 years). We assessed physical fitness by means of the 30-s chair stand, handgrip strength, chair sit and reach, back scratch, blind flamingo, 8-feet up and ...

2014
Yun-Chun Wu Wen-Chung Lee

As a performance measure for a prediction model, the area under the receiver operating characteristic curve (AUC) is insensitive to the addition of strong markers. A number of measures sensitive to performance change have recently been proposed; however, these relative-performance measures may lead to self-contradictory conclusions. This paper examines alternative performance measures for predi...

Journal: :Critical Care 2004
Viv Bewick Liz Cheek Jonathan Ball

This review introduces some commonly used methods for assessing the performance of a diagnostic test. The sensitivity, specificity and likelihood ratio of a test are discussed. The uses of the receiver operating characteristic curve and the area under the curve are explained.

2017
Hatice Yilmaz Osman Yalçın Yilmaz Yaşar Feyza Akyüz

Species distribution modeling was used to determine factors among the large predictor candidate data set that affect the distribution of Muscari latifolium, an endemic bulbous plant species of Turkey, to quantify the relative importance of each factor and make a potential spatial distribution map of M. latifolium. Models were built using the Boosted Regression Trees method based on 35 presence ...

Journal: :Clinical journal of oncology nursing 2003
Tom Busse

Using AUC-based dosing compensates for variations in renal function between and within individual patients. It does not adjust for other factors such as previous chemotherapy, previous radiotherapy, or performance status. One empiric method to adjust for these factors would be reduction of the ideal AUC. However, because AUC-based dosing accounts for variations in renal function, this would not...

2016
Usha S. Govindarajulu

Many current dose-response methods assume a parametric shape of some form and do not accommodate comparisons between methods. Motivated by a need to be able to compare dose-response curves without assuming a parametric shape to the dose-response curve, we applied our technique to model them by non-parametric smoothing methods and also estimate area under the curves. Given that we do not know th...

2015
MK Belba GP Belba

Methods This is an observational prospective cohort study. Population is composed of adults hospitalized in ICU of the Service of Burns near University Hospital Center, Tirana, Albania for 5 years(2010-2015).Patients are grouped according glucose values on three categories: Patients with Euglycemia ( 80-120 mg/dL), Moderate Hyperglycemia (121-180 mg/dL) and Critical Hyperglycemia (> 180 mg/dL )...

2012
Jaeseong Jo Chung Mo Nam Jae Woong Sull Ji Eun Yun Sang Yeun Kim Sun Ju Lee Yoon Nam Kim Eun Jung Park Heejin Kimm Sun Ha Jee

Colorectal cancer (CRC) is among the leading causes of cancer deaths and can be caused by environmental factors as well as genetic factors. Therefore, we developed a prediction model of CRC using genetic risk scores (GRS) and evaluated the effects of conventional risk factors, including family history of CRC, in combination with GRS on the risk of CRC in Koreans. This study included 187 cases (...

2017
S. Hong Lee W. M. Shalanee P. Weerasinghe Naomi R. Wray Michael E. Goddard Julius H. J. van der Werf

Genomic prediction shows promise for personalised medicine in which diagnosis and treatment are tailored to individuals based on their genetic profiles for complex diseases. We present a theoretical framework to demonstrate that prediction accuracy can be improved by targeting more informative individuals in the data set used to generate the predictors ("discovery sample") to include those with...

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