Results 31 to 40 of about 9,487,111 (340)
Variable selection for the single index model [PDF]
, 2007 We consider variable selection in the single-index model. We prove that the popular leave-m-out crossvalidation method has different behaviour in the single-index model from that in linear regression models or nonparametric regression models.
Yingcun Xia +5 more
core +1 more source
The Characteristics of Peripapillary Retinal Perfusion by Optical Coherence Tomography Angiography in Tessellated Fundus Eyes. [PDF]
PLoS ONE, 2016 To evaluate the peripapillary and perifoveal retinal perfusions of young healthy eyes with a tessellated fundus using optical coherence tomography (OCT) angiography.Thirty-five Chinese subjects with a tessellated fundus and 35 subjects without a ...
Xiaolei Wang +4 more
doaj +1 more source
Sociobiology, 2018 Weaver ants are used for biological control of insect pests in plantation crops. To obtain proper pest control, ant densities need to be high. Food availability and nesting facilities on host plants and management practices may affect ant performance. In
Rosine Brisso Wargui +6 more
doaj +1 more source
EFFECT OF PLANT DENSITY ON AGRONOMIC TRAITS AND PHOTOSYNTHETIC PERFORMANCE IN THE MAIZE IBM POPULATION [PDF]
Poljoprivreda, 2015 Photosynthesis is a vital process in plant physiology. Performance index is an indicator of plant vitality and is used as a main parameter in chlorophyll fluorescence measurements.
Mario Franić +5 more
doaj +1 more source
From traditional density to compaction index: the example of Van province
MANAS: Journal of Engineering, 2022 Due to the spread of epidemic diseases such as Covid 19, through the mobility and interaction of infected people, rates of transmission, infection and death are even higher in urban areas with higher density. Density is a measurement obtained by dividing
Ahmet Aktaş, Burak Uyar
doaj +1 more source
Density index between planning and urban design
آداب الكوفة, 2017 This research was completed in 2016, to shed light on the density indicator and how it is determined in the urban planning process, and the extent of its impact on the urban design process.
تقى رعد الربيعي
doaj +1 more source
Relationship of the low-density lipoprotein (LDL)/high-density lipoprotein (HDL) index with antioxidant enzymes and with the oxLDL/HDL index [PDF]
Gaceta Médica de México, 2023 The low-density lipoprotein (LDL)/high-density lipoprotein (HDL) index is a predictive factor for atherosclerosis, which is associated with oxidative modifications.To assess the association of the index with oxidative stress markers.444 subjects were included and were clinically, anthropometrically and biochemically characterized; superoxide dismutase,
Irma, Zamora-Ginez +8 more
openaire +2 more sources
Exploring Spectral Index Band and Vegetation Indices for Estimating Vegetation Area
Indonesian Journal of Geography, 2018 Visual analysis and transformation of vegetation indices have been widely applied in studies of vegetation density using remote sensing data. However, visual analysis is time intensive compared to index transformation.
Iswari Nur Hidayati +2 more
doaj +1 more source
Clinical factors associated with trabecular bone score.
, 2013 Dual-energy X-ray absorptiometry (DXA) measurement of bone mineral density (BMD) is the reference standard for diagnosing osteoporosis but does not directly reflect deterioration in bone microarchitecture.
Hans, D. +3 more
core +1 more source
Journal of Dentistry Indonesia, 2015 Osteoporosis is a silent disease, i.e. the disease will progress without symptoms or pain until bones start to break. Densitometry examinations to diagnose osteoporosis is relatively expensive for most people in Indonesia.
Linda Kusdhany +4 more
doaj +1 more source