Sentences with phrase «simulation study»

The researchers have studied the longitudinal wakefield distribution and the detailed effects on the accelerated electron beam in simulation studies.

Two computer simulation studies now suggest that cold - compressed graphite contains crystals of a structure called body - centered tetragonal, or bct, in addition to another type called M carbon.

A new climate simulation study shows how fluctuations in ultraviolet light linked to the sun's 11 - year activity cycle could change winter weather patterns across the Northern Hemisphere.

Researchers Casner and coauthor Jonathan Schooler designed a flight simulation study in which they asked pilots to follow a published arrival procedure into New York's busy John F. Kennedy International Airport.

A series of climate model simulations studied how dust storms altered precipitation during the Dust Bowl drought of the 1930s.

A Monte Carlo simulation study showed that estimates of associations are far more robust to selective attrition than are estimates of prevalence and mean values, and that associations between attrition and study variables had to approach a strong effect size before estimates of associations became biased in a situation with 50 percent attrition in a an original sample of n = 1000 (Gustavson et al. [2012]-RRB-.

This new simulation study, and the previously underestimated role that Saturn may have also played in the evolution of life on Earth, are presented in an original research article published in Astrobiology.

A Texas A&M AgriLife Research - led team is releasing the results of a recent simulation study that builds on field research in the December issue of Transactions of the American Society of Agricultural and Biological Engineers, or ASABE, journal.

O.S.U. researchers are conducting an evacuation simulation study to see how effective the proposed building would be compared with a base case without the building.

A controlled Tour de France simulation study, Part I. Int J Sports Med.

Based on a series of experiments, [5] simulation studies, [6] and statistical tests, [7] elementary school value - added models do seem to address the selection bias problem well, on average.

A multi-model simulation study shows that Atlantic Multidecadal Variability warming drives a modification of the Walker Circulation that creates precipitation anomalies over the whole tropical belt.

However, most simulation studies are based on a narrow set of land cover reconstructions over at most one millennium and do not incorporate the effects of land use and its intensification across the Holocene.

One of the sub-studies in the dissertation was the first academic research in the world to prove that these tiny eye movements, previously only found in simulation studies, were also apparent in natural driving situations.

Previous work by Kretschmer and colleagues identified this causal pathway in observational data and it is further supported by several climate computer simulation studies.

A model simulation study shows that different diurnal cycles of precipitation are consistent with radically different present and future climate characteristics.

A team of scientists from the Center for Resuscitation Science at the Karolinska Institutet in Stockholm, Sweden compared ambulance arrival times to drone deliveries in a simulation study published in the JAMA medical journal.

training in the lab, only 5 % of her Ph.D. time was actually devoted to chemical experiments; her aim was to determine the influence of nitrogen and oxygen on the growth and etching of diamonds, which required a lot of computer - simulation studies.

The simulation study of Hahn and Bujan required neither unrealistic network properties nor the existence of a pacemaker for the brain.

Dense neutron stars — the remnants of supernovae — have internal structures that look like piles of waffles just a shade bigger than atomic nuclei, researchers report in a simulation study posted to the arXiv preprint server.

In the simulation study of planet formation, these gaps were assumed to be formed as a hypothesis.

The impact of the estimated weights on the estimated causal effect, with both methods, is assessed in a simulation study.

We designed a simulation study to assess how the conclusions of a non-inferiority trial (NIT) will change if the observed risk is different from the expected risk.We simulated Weibull distribution time - to - event data with a true hazard ratio (HR) being equal or close to 1.

We illustrate the advantages of our method through theoretical results, simulation studies, temperature records in Paris and outputs from a numerical climate model.

Statistical analyses by Maddison (2001), Lise and Tol (2002) and Hamilton (2003a), and a simulation study (Hamilton et al., 2003), have shown the relevance of climatic factors as determinants of tourist demand, next to economic and political conditions, fashion, media attention, and environmental quality.

In addition, we test the performance of the three methods for a range of sample sizes and H values, through a simulation study and we compare it with other known results for other estimators of the literature.

The results shown in Figure 11 are based on a simulation study carried out by Thomas R. Knutson and Robert E. Tuleya at NOAA's Geophysical Fluid Dynamics Laboratory (GFDL).

Bach, S., M. Kohlhaas, B. Meyer, B. Praetorius, and H. Welsch, 2002: The effects of environmental fiscal reform in Germany: a simulation study.

A simulation study

Full information maximum likelihood estimation, which is one of the most recommended procedures for handling missing values with the pattern of Missing at Random (see Schlomer et al., 2010, for a simulation study), was used in subsequent analyses.

The multiple imputation procedure, which is one of the most recommended procedures to deal with missing values with the pattern of Missing at Random (see Schlomer et al., 2010, for a simulation study), was used to handle missing values.

In sum, given the results from our simulation study and the empirical applications, we conclude that the multilevel TAR model is a valuable addition to the available techniques for analyzing intensive longitudinal data.

We then consider the feasibility of distinguishing between trait - like and state - like regulation by discussing the results of a simulation study.