نتایج جستجو برای: lambda mu sigma method percentile curves
تعداد نتایج: 1772159 فیلتر نتایج به سال:
We propose the percentile curves concept as conditional probabilities curves across representative percentiles of the distribution of curves induced by random effects in a logistic model with random intercepts. We extend this concept to a logistic model with random intercepts and slopes and propose a methodology to approximate the percentile curves using the Monte-Carlo technique. We apply this...
OBJECTIVE There are no percentile curves for BMI, waist circumference (WC) or waist-to-height ratio (WHtR) available for Portuguese children and adolescents. The purpose of the present study was to develop age- and sex-specific BMI, WC and WHtR percentile curves for a representative sample of adolescents living in the Portuguese islands of Azores, one of the poorest regions of Europe, and to co...
Body mass index (BMI) is commonly used to assess a child's weight status but it does not provide information about the distribution of body fat. Since the disease risks associated with obesity are related to the amount and distribution of body fat, measures that assess visceral or subcutaneous fat, such as waist circumference (WC), waist-to-height ratio (WHtR), or skinfolds thickness may be mor...
Electromagnetic form factors of hyperons ($\mathrm{\ensuremath{\Lambda}}$, $\mathrm{\ensuremath{\Sigma}}$, $\mathrm{\ensuremath{\Xi}}$) in the timelike region, accessible reaction ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\overline{Y}Y$, are studied. The focus is on energies close to thresholds, where properties these significantly influenced by interaction final $\overline{Y}Y$ syste...
Bacteriophage Mu C protein, a product of the middle operon, is required for activation of the four Mu late promoters. To address its mechanism of action, we overproduced the approximately 16.5-kilodalton C protein from a plasmid containing the C gene under the control of a phage T7 promoter and ribosome-binding site. A protein fraction highly enriched for Escherichia coli RNA polymerase (E sigm...
The statistical properties of the local topology of two-dimensional turbulence are investigated using an electromagnetically forced soap film. The local topology of the incompressible 2D flow is characterized by the Jacobian determinant Lambda(x,y) = 1 / 4(omega(2)-sigma(2)), where omega(x,y) is the local vorticity and sigma(x,y) is the local strain rate. For turbulent flows driven by different...
BACKGROUND Age- and gender-specific percentiles of body mass index in children and adolescents are a cornerstone categorizing overweight and obesity in youths worldwide. Since corresponding worldwide growth curves of percent body fat (% BF) are missing, the purpose was to contribute smoothed percentiles of percentage body fat from a large urban sample of German youths and to include them in act...
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