Sentences with phrase «fit the model used»

I have not included questions on the Historical Site as this will change with each year; however, I have created two interpretation questions on the Fire and Plague that fit the model used by AQA.

The idea is that if you fit a model using random numbers you can see how well they do at «explaining» the data.

Not exact matches

Using an algorithm complete with 3 - D human body modeling, the company then makes a recommendation as to which of its mattresses is the best fit.

«They have spent a lot of time and money creating a business model that fits within the rules so they can use the visas to offer cheaper labor,» said Bruce Morrison, a lawyer representing an association of American engineers.

Since I abhor trying to fit parchment properly into a loaf pan, I relied on my tried - and - true silicone model (which I only ever use for candy making).

This highlights the risk in creating specific land use terms that may quickly become outdated as farmers innovate and develop new, regenerative models that don't fit neatly into the terms dictated by the scheme.

Individual growth curve models were developed for multilevel analysis and specifically designed for exploring longitudinal data on individual changes over time.23 Using this approach, we applied the MIXED procedure in SAS (SAS Institute) to account for the random effects of repeated measurements.24 To specify the correct model for our individual growth curves, we compared a series of MIXED models by evaluating the difference in deviance between nested models.23 Both fixed quadratic and cubic MIXED models fit our data well, but we selected the fixed quadratic MIXED model because the addition of a cubic time term was not statistically significant based on a log - likelihood ratio test.

If you are looking to use the RumbleSeat on a 2006, 2007, or 2008 VISTA model, check out our Retro - Fit Frame Program under our RumbleSeat product page.

They have a low vacuum valve designed to create free flow of liquid but unless your child is just learning to use a sippy cup the flow may be to slow, so the drinking cup model for older kids might be a better fit.

Mattresses should be firm and should maintain their shape even when the fitted sheet designated for that model is used, such that there are no gaps between the mattress and the side of the bassinet, playpen, portable crib, or play yard.

Because the other forces use «force carrier particles» to impart the force onto other particles, for gravity to fit the model, all matter must emit gravitons, which physically embody gravity.

Nor does it include the possibility of larger individuals of the species; one of the leg bones used in the team's model had to be shrunk about 15 % to get it to fit well with its neighboring bones from other creatures, which suggests that considerably larger and heftier S. giganteum existed.

The scans, which were accurate to a twentieth of a millimeter, were used to generate virtual models that could be examined from any angle, allowing for highly precise machining — and a very close fit.

French used numerical simulations to compute all components of the seismic waves, such as their scattering and diffraction, and tweaked the model repeatedly to fit recorded data using a method similar to statistical regression.

They then tested for differences in model fits using annual nest count data to see how the model performed with respect to environmental factors.

The researchers developed algorithms to use in a «systems biology modeling cycle,» in which they repeatedly fit a model to gene expression data obtained from laboratory experiments until a good fit was obtained between the predicted and the measured outcomes.

«Now we see that the theories fit well with the experiment, so we can be confident in using our theoretical models to maximize these effects, either the «normal» effect or the inverse effect that we have demonstrated here,» Xiao said.

To understand how they work, we can take a look at nature itself: while natural elements acquire their physical properties from the atoms that form them and the way in which they are ordered, metamaterials use natural means, like small metal fragments that fit together like parts of a Meccano model to artificially synthesise properties that are impossible to find otherwise.

To resolve the picture of the chemosensory array, Schulten and his colleagues used molecular dynamic flexible fitting, a computer modeling approach Schulten's lab developed at Illinois.

The observations fit well with computer simulations, and can be used to refine models of how large - scale patterns, such as the distributions of galaxies and clusters of galaxies, came to be.

Association rates (ka), dissociation rates (kd) and equilibrium dissociation constants (Kd) were calculated by aligning the curves to fit a 1:1 binding model using BIAevaluation 4.1 software.

«Our results highlight that we can use ourselves as Mechanical Turks through «citizen science» to improve and refine model fitting».

As mentioned in the previous section, models that use «cold dark matter» of «WIMPs» provide the best fit to the observed structures.

Norma is used to interpret electron microscopy data using atomic scale resolution structural models and perform flexible fitting on new cases without encountering major technical difficulties.

Then, we generated proxies with this fitted model, using as predictors the SST time series where the components linearly related to the MEI, PDO and AMO were removed (by linear regression, as above).

She is working, for example, on a model of liver function that fits hundreds of samples of 3 - D liver tissue into the pits of a multiwell plate and uses micropumps to circulate nutrients and oxygen through the system.

Making use of mountain snow line data indicating larger temperature changes at altitude, Lindzen proposed a new kind of model of the tropical response, which fit the CLIMAP data and indicated very low sensitivity to CO2 increases in the future.

The most parsimonious geostatistical model was fitted with the seven covariates and then used to predict podoconiosis prevalence for unsurveyed areas (Figure 2).

Only protein coding genes with a correlation > = 0.4 with the tissue ischemic time were used in order to reduce the computational burden of model fitting.

The model was validated using the Monte Carlo simulation based on the fitted model and computing an empirical semi-variogram with the residuals, obtained by fitting a standard logistic regression with simulated data and predictors (see Supplementary File 1).

As we expect this to vary geographically we fit the above models to the observed data for the Japan Total nesting series, separately using lags from 20 — 40 years.

To do so, they used existing data on cancers treated by either MTD or LDM and modeled the competition between cells using evolutionary game theory, a mathematical framework that uses Charles Darwin's concept of «survival of the fittest.»

To test for differences in growth rates between genotypes, we fit the data using linear models regressing larval weight against age and tested for differences in the interaction term between larval age and genotype using ANCOVA and post hoc comparisons of the slopes of fitted lines using lstrends (HH and lsmeans packages).

These include using the same model used to detect the planet instead to fit synthetic, planet - free data (with realistic covariance properties, and time sampling identical to the real data), and checking whether the «planet» is still detected; comparing the strength of the planetary signal with similar Keplerian signals injected into the original observations; performing Bayesian model comparisons between planet and no - planet models; and checking how robust the planetary signal is to datapoints being removed from the observations.

We estimated historical and future nesting in each series using the fitted model relationships.

We used Schoenfeld residuals to test the proportional hazards assumption and martingale residuals to assess model fit.

For studies that reported incidence in each age category, we fitted log - linear model that contained incidence (dependent variable) and consumption (independent variable) with age as a covariate (median age in each age category), and we estimated the relative risk by using an interaction term between age and consumption.

Rather, their analysis shows that if you compare the LGM land cooling with the model land cooling, then the model that fits the land best has much higher GLOBAL climate sensitivity than you get for best fit if you use ocean data.

«the best fit from the UVic model used in the new paper has 3.5 ºC cooling, well outside this range (weighted average calculated from the online data, a slightly different number is stated in Nathan Urban's interview — not sure why)»

The Schneider et al. ensemble constrained by their selection of LGM data gives a global - mean cooling range during the LGM of 5.8 + / - 1.4 ºC (Schnieder Von Deimling et al, 2006), while the best fit from the UVic model used in the new paper has 3.5 ºC cooling, well outside this range (weighted average calculated from the online data, a slightly different number is stated in Nathan Urban's interview — not sure why).

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

Supplementary figure M shows examples of individual studies of coronary heart disease or stroke, plotting the observed (reported) relative risks with the ones we estimated using the log - linear model; the fit was generally good.

As of DR6, PSF photometry uses the same PSF models (and sky background subtraction) for zeropoint - fitting as is later used in cataloging.

Table S4 Best fit models for using regional and global dust flux records to predict occurrence of EARS lakes from 350 Ka to 2.6 Ma.

To identify best fit models relating paleoclimate to both the lake index and hominin evolution, we used a the stepAIC function in R package MASS to select the best fit model [38], see Figure 2.

We therefore conclude that results obtained by fitting stellar models or by using population - synthesis models constructed with solar values of \ alpha are likely to have large systematic errors.

Fitting a multilocus NFDS model of post-vaccine population dynamics to three genomic datasets using Approximate Bayesian Computation generated reproducible estimates of the influence of NFDS on pneumococcal evolution, the strength of which varied between loci.

Performing the SGD model fitting takes about 20 seconds for datasets with several thousands of cells, using the top 3,000 expressed genes.

Differential expression was determined by fitting a linear model to the normalised data using Limma and B statistics were calculated using empirical Bayes methods [38] with B statistics > 0 considered significant.

«This collaboration fits in very well with our approach, which is to use diverse animal models to study the basic mechanisms of aging and tissue regeneration,» said assistant professor Aric Rogers, Ph.D. «The role of triggers in the cell's genetic machinery is a fruitful new avenue of research.