نتایج جستجو برای: linearly increasing variance
تعداد نتایج: 620283 فیلتر نتایج به سال:
This study was performed by five treatments and three replicates using 180 Ross male broilers (12 birds in each pen) in a completely randomized design. Feed restriction was applied by supplementing the rice hull levels (0, 15, 30, 45 and 60 percent). To grower feed (7 to 14 days of age). Average feed intake had a linear decrease with increasing in rice hull levels. Body weight was decreased lin...
To examine the effect of the variance of consumer ratings on product pricing and sales we develop a model which considers goods that are characterized by two types of attributes: experience attributes and experience attributes that were transformed in search attributes by consumer ratings that we call informed search attributes. For pure informed search goods, we find that with increasing varia...
We study the properties of various Eulerian contributions to fluid particle acceleration by using well-resolved direct numerical simulations isotropic turbulence, with grid resolution as high $12288^3$ and Taylor-scale Reynolds number $R_\lambda$ in range between 140 1300. The variance convective acceleration, when normalized Kolmogorov scales, increases linearly $R_\lambda$, consistent simple ...
Effect of graded levels of high-glucosinolate mustard (Brassica juncea) meal as substitute of soya-bean meal (SBM) in broiler rabbit diets was studied. Forty weaning rabbits of Soviet Chinchilla and White Giant breed were randomly allocated to one of four experimental diets containing mustard meal (MM) 0, 80, 160 and 245 g/kg. The experiment lasted for 8 weeks. MM had 54.8 mg total glucosinolat...
The norm of practice in estimating graph properties is to use uniform random node (RN) samples whenever possible. Many graphs are large and scale-free, inducing large degree variance and estimator variance. This paper shows that random edge (RE) sampling and the corresponding harmonic mean estimator for average degree can reduce the estimation variance significantly. First, we demonstrate that ...
Travel-time statistics for non-reacting tracers in fractal and multifractal media are addressed through numerical simulations. The logarithm of hydraulic conductivity is modeled using fractional Brownian motion (fBm) and more recently developed multifractal model based on bounded fractional Levy motion (bfLm). These models have been shown previously to accurately reproduce statistical propertie...
We document substantial practitioner interest in measures of the downside tail risk of hedge funds, such as maximum drawdown (MDD) and worst one-period loss, together with a general sentiment that “classical” performance measures such as the Sharpe Ratio do not convey enough information about tail risk. We characterize the nite-sample distribution of these measures and show that it depends line...
OBJECTIVE To investigate age-period-cohort effects on the temporal trend of type 1 diabetes in children age 0-14 years in Italian registries. RESEARCH DESIGN AND METHODS This report is based on 5,180 incident cases in the period 1990-2003 from the Registry for Type 1 Diabetes Mellitus in Italy (RIDI). Multilevel (random intercept) Poisson regression models were used to model the effects of se...
the allelopathic potential of different concentrations (0, 5 %, 10 %, 20 % and 40%) of medicago sativa shoot extracts were assayed on germination and radicle growth of four weed species( amaranthus hybridus, amaranthus albus, solanum nigrum and chenopodium album) in a laboratory experiment as completely randomized factorial with 3 replications. the results showed that, final germination percent...
Crossbred pigs (n = 512) with an average initial BW of 22.1 +/- 0.54 kg were used to evaluate growth performance, carcass characteristics, and pork fat quality of grower-finisher pigs fed corn-soybean meal diets containing increasing content of distillers dried grains with solubles (DDGS). One of 4 dietary treatments was randomly assigned to each pen within sex. Dietary treatment and sex were t...
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