Sentences with phrase «model parameters used»

The finding that based on the logistics model parameters used here, these differences can be demonstrated mathematically, supports present feeding guides and practices.

We used PET and [11C] raclopride (radioligand that binds to D2 / D3 receptors not occupied by DA) to assess the effects of methylphenidate (MP) on the nondisplaceable binding potential [BPND; ratio of the distribution volume (DV) in striatum to that in cerebellum], which is the most frequent model parameter used to estimate DA changes (27), in 24 healthy controls and 24 marijuana abusers.

Not exact matches

More complicated feedback - response models that use a lumped feedback parameter suggest that the same doubling could cause average atmospheric temperatures to rise by less than 2 F °.

They modeled this behavior using extreme value distributions with parameters that vary to match the trends in the data.

On the contrary, the use of currently recommended photochemical parameters leads to insufficient ozone destruction in the model.

Using a model of minimal TBI in mice, the team evaluated the effect of transition to an enriched environment on behavioral and cognitive parameters.

Prior findings point to only six parameters that describe the development of the universe after the Big Bang with relative accuracy, using what is known as the standard model of cosmology.

So for his final - year research project he went to the Institute to study population genetics — in particular, how parameters such as population and genome size may affect the evolution of populations — using computer models.

Scientists conducted 1,000 model simulations using future weather variables to predict future reproductive parameters for this species.

The study establishes a method for estimating UHI intensities using PRISM — Parameter - elevation Relationships on Independent Slopes Model — climate data, an analytical model that creates gridded estimates by incorporating climatic variables (temperature and precipitation), expert knowledge of climatic events (rain shadows, temperature inversions and coastal regimes) and digital elevaModel — climate data, an analytical model that creates gridded estimates by incorporating climatic variables (temperature and precipitation), expert knowledge of climatic events (rain shadows, temperature inversions and coastal regimes) and digital elevamodel that creates gridded estimates by incorporating climatic variables (temperature and precipitation), expert knowledge of climatic events (rain shadows, temperature inversions and coastal regimes) and digital elevation.

Using their new model, the researchers found that certain parameters about the way a tumor grows could successfully and accurately predict its response to anti-angiogenic treatment that targets VEGF activity.

Using a mathematical modeling approach, scientists have found that certain parameters of tumor growth in mice can predict the effectiveness of drugs that block formation of tumor - nourishing blood vessels.

The prediction's degree of reliability depends on the number and the quality of the samples used to train the computer learning models, the parameters that have been analysed and their relevance, given that the presence of certain bacteria varies depending on the geographical location.

«Our model will use data including walking speed, step length and rhythm of walking plus other parameters to see if we can pick up changes as the disease progresses or at risk individuals develop Parkinsonism.

Using a model incorporating topographical, geochemical and hydrological parameters, the researchers created a map which, for the first time, shows the probability of increased arsenic concentrations for the whole of Pakistan.

«We analyzed dozens of variants of this gene and quantitatively measured expression in about 1,000 embryos, creating a quantitative data set that could be used to train mathematical models, utilizing parameter optimization,» Arnosti said.

We test the sensitivity of the morphological parameters used to create these 3D models, demonstrating that the parameters defined here are robust and can provide accurate measures of cortical thickness, relative bone density, trabecular orientation, trabecular thickness and degree of anisotropy.

The end result was a parameter and quantitative model that describes domain mixing as a function of temperature and that can be used to evaluate different mixtures.

They investigated the unfolded nonsynonymous site frequency spectra using 13 different selection models, including some complex two - parameter and three - parameter models.

To determine spectral indices, we use a machine algorithm that allows to train a model representing flux at each wavelength as a function of exoplanet parameters.

These radii are determined using only direct observables - the bolometric flux at Earth, the effective temperature, and the parallax provided by the Gaia first data release - and thus are virtually model independent, extinction being the only free parameter.

Using reasonable values for the parameters, the model is tuned to naturally resonate at a 100 + ky period.

The number of «free» parameters is actually not that great, and since only a handful are used to tune the models «holisitically» the arbitrariness is limited.

I then show, using a reef fish as the empirical model, that the signals used during negotiation and commitment phases of the cooperative sex allocation strategy provide symbolic representations of the theoretical model's key functional parameters; individual dominance, individual body size, individual sex (i.e. the functional referents) and individual sex role in the future (i.e. the negotiated cooperative solution).

Finnish Meteorological Institute has been doing estimates of two essential sea ice parameters — namely, sea ice concentration (SIC) and sea ice thickness (SIT)-- for the Bohai Sea using a combination of a thermodynamic sea ice model and Earth observation (EO) data from synthetic aperture radar (SAR) and microwave radiometer.

Annan, J.D., J.C. Hargreaves, N.R. Edwards, and R. Marsh, 2005a: Parameter estimation in an intermediate complexity Earth System Model using an ensemble Kalman filter.

Using robust design analysis of multi-season data, we developed several models to understand the effects of different variables on the modelled parameters that included survival probability, temporary emigration and immigration, and capture and recapture probabilities.

We show that using stellar parameters from galactic stellar synthesis models, and projections to stellar rotation, activity and hence noise levels reproduces the primary intrinsic stellar noise features.

For models, such as SMR, where the distribution of the model parameters is unknown, permutation test and stability selection are typically used to control for false positives.

In contrast to this observational approach, Schmittner (as well as a number of other papers, like reference # 4 in this post) take advantage of both models and observations, and try to use the observations to constrain which feedback parameters in the model are consistent (e.g., an overly sensitive model with the same forcings as another model will produce too big of a temperature change than observations allow).

However, as some participants favored other models, parameter analysis was done using data from single subject best fit models.

All genes with a lipocalin domain (IPR000566) were extracted from Ensembl version 68 and a phylogeny was reconstructed in MEGA using the neighbour - joining method with the Kimura - 2 parameter model of substitution [55].

Using Mg / Ca paleothermometry from the planktonic foraminifera Globigerinoides ruber from the past 500 k.y. at Ocean Drilling Program (ODP) Site 871 in the western Pacific warm pool, we estimate the tropical Pacific climate sensitivity parameter (λ) to be 0.94 — 1.06 °C (W m − 2) − 1, higher than that predicted by model simulations of the Last Glacial Maximum or by models of doubled greenhouse gas concentration forcing.

Using multi-epoch optical and near - IR follow - up spectroscopy with FLAMES on the Very Large Telescope and ISIS on the William Herschel Telescope we obtain a full orbital solution and derive the fundamental parameters of both stars by modelling the light curve and radial velocity data.

Robust design multi-season mark - recapture modelling [27] was used to estimate life history parameters such as survival, temporary emigration and immigration, and changes in abundance.

Another approach uses the response of climate models, most often simple climate models or Earth System Models of Intermediate Complexity (EMICs, Table 8.3) to explore the range of forcings and climate parameters that yield results consistent with observations (Andronova and Schlesinger, 2001; Forest et al., 2002; Harvey and Kaufmann, 2002; Knutti et al., 2002, 2003; Forest et al., models, most often simple climate models or Earth System Models of Intermediate Complexity (EMICs, Table 8.3) to explore the range of forcings and climate parameters that yield results consistent with observations (Andronova and Schlesinger, 2001; Forest et al., 2002; Harvey and Kaufmann, 2002; Knutti et al., 2002, 2003; Forest et al., models or Earth System Models of Intermediate Complexity (EMICs, Table 8.3) to explore the range of forcings and climate parameters that yield results consistent with observations (Andronova and Schlesinger, 2001; Forest et al., 2002; Harvey and Kaufmann, 2002; Knutti et al., 2002, 2003; Forest et al., Models of Intermediate Complexity (EMICs, Table 8.3) to explore the range of forcings and climate parameters that yield results consistent with observations (Andronova and Schlesinger, 2001; Forest et al., 2002; Harvey and Kaufmann, 2002; Knutti et al., 2002, 2003; Forest et al., 2006).

We constructed a spatially explicit model of pathogen spillover in bumble bees and, using laboratory experiments and the literature, estimated parameter values for the spillover of Crithidia bombi, a destructive pathogen commonly found in commercial Bombus.

Model parameters representing pathway dynamics were used as features to predict sensitivity to a panel of 27 drugs.

We tested the method on simulated data using the sequential coalescent with recombination model (SCRM) simulator43 with the model shown in Fig. 3b with 1,000 haploid samples distributed evenly across the five populations and realistic recombination and mutation parameters.

«This retrospective analysis of patients from a private clinic adhering to a high - fat, low carbohydrate, adequate protein diet [the Rosedale diet] demonstrated reductions in critical metabolic mediators including insulin, leptin, glucose, triglycerides, and free T3... Patients in this study demonstrated a similar directional impact on the measured parameters when compared to studies using more established models of longevity such as caloric restriction.»

Summary estimates were calculated using a general variance - based method (random - effects model) with 95 % CIs.19 Because the potential confounders considered in multivariate analyses vary across studies, we used the parameter estimates in the most complex model, which typically include demographic, lifestyle, and dietary factors.

For example, Volkswagen's Lane Assist feature uses a conventional, model - based program which precisely describes mathematical parameters for the visual recognition of lane markings.

Edmunds.com draws from dealers» used car inventories to provide you with a list of possible vehicles, sorted by make and model, features and dozens of other parameters.

The capability is even more exaggerated in the Regal GS model, where the driver can use the Interactive Drive Control System, adjusting parameters such as traction control and steering weight.

Like any used car, the trick is to decide what your budget is, and identify model years and variations likely to fall within your parameters.

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All Tablet and Smartphone displays can be significantly improved using DisplayMate's advanced scientific analysis and mathematical display modeling and optimization of the display hardware, factory calibration, and driver parameters.

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