Sentences with phrase «sensitivity analysis the modelling»

As noted in the «methods» section, an argument could be made for including unplanned home births in the analysis, so as a sensitivity analysis the modelling was repeated, including them.

Not exact matches

7 - stage image analysis enables this model to perform high - sensitivity detection of the widest range of foreign matter.

«We are currently working on parameter sensitivity analysis and Bayesian calibration of this new model and also on a high resolution regional simulation over the U.S. Corn Belt, all of which would not be possible without the precious computational resources provided by Blue Waters.»

The study provides sensitivity analyses of key model assumptions and starting data uncertainty, indicating that the UN projections may have too small a range of uncertainty.

While the study conducts a sensitivity analysis that includes one scenario with higher levels of production subsidies, the fact that the model's outputs seem to barely register a tripling of production subsidies raises some questions, especially in light of the findings of the other recent U.S. study led by the Stockholm Environment Institute and EarthTrack described above.

Advances in sensitivity and resolution as well as developments in modelling and analysis led to milestones in the experimental studies of chemical bonds using AFM.

The initial results established that the model accurately represented the historic movement of the saltwater front, while sensitivity analyses identified how various factors contributed to the -LSB-...]

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.

Wigley et al. (2005b) demonstrate that the analysis method of Douglass and Knox (2005) severely underestimates (by a factor of three) climate sensitivity if applied to a model with known sensitivity.

The analysis in Crucifix (2006) indicates that there is not a good correlation between sensitivity on the LGM side and sensitivity to 2XCO2 in the selection of models he looked at.

We present results from crude models, models adjusted for relevant variables including age, sex, blood pressure, BMI, and adherence to diet (percent of missed meals), and sensitivity analyses further adjusting for time varying changes in BMI and systolic blood pressure.

To explore the possibility that frailty (which is associated with both low cholesterol and death28 29) could confound these results, we did a sensitivity analysis adjusting our Cox models (table 4 ⇑) for two known markers of frailty (changes in body weight and changes in systolic blood pressure).28 29 30 These adjustments did not materially change the effect estimates, which remained significant in both groups.

Climate model studies and empirical analyses of paleoclimate data can provide estimates of the amplification of climate sensitivity caused by slow feedbacks, excluding the singular mechanisms that caused the hyperthermal events.

Finally, analysis of tumors from clinical trials and cell line models will allow discovery of mechanisms of sensitivity and resistance to AR and PI3K inhibitors, as well as biomarkers that can be used in the development of new treatment regimens and selection of patients for future trials.

Base case and sensitivity analysis results in a Markov model of effectiveness and cost effectiveness * of dark chocolate consumption according to compliance levels versus no dark chocolate consumption over 10 years in prehypertensive / hypertensive people with metabolic syndrome, free of cardiovascular disease and diagnosed diabetes.

Extensive sensitivity analyses indicate that, while differences between model frameworks and alternative parameter choices make a difference, the economic impact of improved educational outcomes remains enormous.

Matched - paired tests were used for the primary analysis, and sensitivity analyses included permutation tests and random - intercept growth curve models.

Their research explored whether there was evidence of this kind of bias by conducting what researchers call a «sensitivity analysis» to test whether the results from the L.A. Times model were valid and reliable.

Portfolio managers will be able to walk sponsors through a dashboard of assets, liabilities, funded status and potential risk measures, as well as model interest rate and portfolio sensitivities and provide what - if scenario analysis of portfolio changes.

Sensitivity analysis is used in financial modeling to determine how one variable (the target variable) may be affected by changes in another variable (the input variable).

Insulin sensitivity, insulin secretion, and glucose effectiveness in obese subjects: a minimal model analysis

Climate.prediction.net is a nice way of generating candidate high sensitivity models for more detailed analysis.

Eg the Lea et al 2002 paper I referenced above has the title «Sensitivity analysis of the climate of a chaotic ocean circulation model».

Sensitivity analysis shows that future fire potential depends on many factors such as climate model and emission scenario used for climate change projection.

They do the calculations in a somewhat different way, but it appears to be a sound analysis, and I particularly like the thorough testing of the sensitivity to the various parameters used in the statistical model.

A new large uncertainty analysis that appeared this week in Nature shows that it is very difficult to get a climate sensitivity below 2 ºC in a climate model, no matter how one changes the parameters.

Though the study's authors concede the study is limited by the «availability of data and the necessity to make assumptions to model likely scenarios,» they carried out sensitivity analysis to assess the resuts, and also found that in all scenarios tested there was a net benefit (i.e. increased longevity) for Bicing users.

Given that models have been improving in their ability to model processes, I personally find it difficult to believe that, at least in terms of a Bayesian analysis, the models themselves aren't doing better in terms of their ability to identify climate sensitivity by applying first principles to our climate system.

No, it is not based on the models - the sensitivity numbers come from multiple, independent analyses - paleoclimate, modern climate, and models.

Also referred to as synthetic scenarios (IPCC, 1994), they are commonly applied to study the sensitivity of an exposure unit to a wide range of variations in climate, often according to a qualitative interpretation of projections of future regional climate from climate model simulations (guided sensitivity analysis, see IPCC - TGCIA, 1999).

Chris V wrote: «No, it is not based on the models - the sensitivity numbers come from multiple, independent analyses - paleoclimate, modern climate, and models.

I really would like to see a proper analysis of physical sensitivities, but that would demand a rerun of the models many times for each parameter to map out the changes in sensitivity.

Sensitivity of the climate to carbon dioxide, and the level of uncertainty in its value, is a key input into the economic models that drive cost - benefit analyses, including estimates of the social cost of carbon.

You wrote, «I really would like to see a proper analysis of physical sensitivities, but that would demand a rerun of the models many times for each parameter to map out the changes in sensitivity.»

It is difficult to then avoid the conclusion that the model - based sensitivity analyses (and observationally based analyses that use large values of aci) produce GHG equilibrium sensitivity values that are too large.

«For now, if our analysis is correct, I think it is important to correct the climate models so that they include reliable sensitivity to solar activity.

Italian flag analysis: 30 % Green, 50 % White, 20 % Red (JC Note: all climate models produce this result in spite of different sensitivities and using different forcing data sets; the models do not agree on the causes of the early 20th century warming and the mid-century cooling and do not reproduce the mid-century cooling.)

Using variable resolution global models, their analyses will take into account the sensitivity of water cycle processes such as atmospheric rivers and monsoons to model resolution.

Also, as to this: «Note, my weights were not determined using any fancy analysis, but integrate my sense of uncertainty in CO2 sensitivity, model uncertainties, and particularly the wild card that is natural variability.»

But in the last analysis, why perfect open loop climate sensitivity modeling when all the real world data are closed loop?

Note, my weights were not determined using any fancy analysis, but integrate my sense of uncertainty in CO2 sensitivity, model uncertainties, and particularly the wild card that is natural variability.

I also liked the sensitivity analysis of solving climate models for prediction.

«Lewis & Crok perform their own evaluation of climate sensitivity, placing more weight on studies using «observational data» than estimates of climate sensitivity based on climate model analysis.»

Can't find a recent item on arctic sea ice but hoped it might be worth pointing out Peng et al Sensitivity Analysis of Arctic Sea Ice Extent Trends and Statistical Projections Using Satellite Data http://www.mdpi.com/2072-4292/10/2/230/htm «The most persistently probable curve - fit model from all the methods examined appears to be Gompertz, even if it is not the best of the subset for all analyzed periods.

It is certainly done in models where it is called sensitivity analysis.

WP performed 3 - PG modeling and sensitivity analyses, all GIS analyses, climate correlations, remote sensing data analyses and data preparation.

The model behind the research is available for scientists and policymakers to design their own scenarios for bioenergy, conduct sensitivity analysis, and get immediate feedback showing the full dynamics, including both short and long run impacts.

The IPCC report acknowledges the scientific debate that continues over the issue of climate sensitivity and the different results between models and analysis based on observations.

Design / methodology / approach: The analyses are based on the IPCC's own reports, the observed temperatures versus the IPCC model - calculated temperatures and the warming effects of greenhouse gases based on the critical studies of climate sensitivity (CS).

manacker / max You write «Past predictions of 2xCO2 climate sensitivity at equilibrium (ECS) have been made based on model simulations, rather than on analyses of real - time data».