Sentences with phrase «underlying model assumptions»

Not exact matches

Moreover, I am sceptical of many of the underlying assumptions and calibrations in these models.

It is clear from the model, however, that without a major change or disruption in policymaking, current debt dynamics will be hard to sustain, even with assumptions underlying the logic that are very conservative.

Obsolescence is hard to model and can make a mockery of the detailed financial assumptions underlying buyouts.

The underlying assumption behind all the models in this chapter is that a congregation has an exciting possibility and responsibility to create a comprehensive marriage and family nurture program, beginning with remote preparation for marriage and extending through all the changing seasons of the life cycle of a family.

Unfortunately, rules and regulations promulgated by the Obama Administration threaten American jobs and economic recovery, and cost billions while providing questionable benefits; yet these rules can not be properly evaluated because their underlying assumptions and projections are based on secret data and models hidden from the public.

ETH researchers have now shown that the high estimated mutation rates at the start of the epidemic were due to the limited number of virus samples at the time in combination with the computer models used, which calculate the estimates using genetic data from virus samples and from underlying assumptions.

Current computer models, however, do not simplify reality as much as those used a few years ago, and they are less heavily influenced by the underlying assumptions, says Stadler.

Researchers said rivers can cut through bedrock and this process is thought to be the major factor in controlling mountain erosion, however, the long - term preservation of some mountains is at odds with some of the underlying assumptions regarding river erosion rates in current models of river - based landscape evolution.

How do you judge a model for the origin of life when its underlying assumptions are so uncertain?

Thus, the purpose of this project is to explore the underlying assumptions and consequences of the No Excuses model from the perspectives of Black educators at schools that exercise such No Excuses practices.

The lack of dividends is part of the underlying assumptions but the model can be extended to account for dividends.

The capital asset pricing model (CAPM) and value - at - risk (VaR), each widely used, might provide interesting food for thought, but their underlying assumptions render them not only fallible but dangerous in practice.

The unconscious aura of titillation that arises from a visual representation of an aspiring woman artist in the mid-19th century, Emily Mary Osborne's heartfelt painting, Nameless and Friendless, 1857, a canvas representing a poor but lovely and respectable young girl at a London art dealer, nervously awaiting the verdict of the pompous proprietor about the worth of her canvases while two ogling «art lovers» look on, is really not too different in its underlying assumptions from an overtly salacious work like Bompard's Debut of the Model.

If that result is seen in multiple models and multiple simulations, it is likely to be a robust consequence of the underlying assumptions, or in other words, it probably isn't due to any of the relatively arbitrary choices that mark the differences between different models.

I agree, they should evaluate something... I am not as sanguine as Ray though about how a mismatch «insight» would be employed in the science when the belief remains that the underlying assumptions remain robust enough coupled with the scientist as advocate model you support.

Since the projected surface forcing changes come from a climate model (s) the underlying assumption is that the important ice - ocean feedbacks are captured in the superimposed forcing changes, so it really isn't an independent test and not meant to be a substitute for a coupled model.

Moreover, since observations now appear to track Scenario C — a drastic reduction in GHG — and there appears to have been no such reduction, then again the assumptions underlying the model need to be made explicit and re-assessed.

This seems to be a case for rethinking the models and explaining how and why the physical assumptions underlying the model need to change.

If Gavin et al are seeing 2008 as a cool year, we should expect some serious reconsiderations of the assumptions underlying the model — but then Gavin punted to 2013 and we have to wait.

If we stick with 2008, it brings us neatly back to Steve's question of where the 2.5 C for doubling of CO2 comes from — since this is surely the crucial assumption underlying these models.

Different models may find different contributions of the various gases to radiative forcing due to underlying pollution abatement assumptions.

Whilst I agree with you, that there is something wrong with the assumptions underlying the computer models, your maths don't work in a dynamic system.

[2] Although policymakers often refer to the results generated by these models to justify imposing burdensome regulations on the energy sector of the U.S. economy, the fundamental assumptions underlying these models have a number of serious deficiencies.

The links between model biases and the underlying assumptions of the shallow cumulus scheme are further diagnosed with the aid of large - eddy simulations and aircraft measurements, and by suppressing the triggering of the deep convection scheme.

Let's look briefly at some of the underlying socio - economic assumptions behind RCP8.5, then we'll examine how the latest research on the terrestrial carbon cycle makes the GHG concentrations in the RCP8.5 model easier to reach.

Furthermore, they are liable to be misleading because the conclusions, usually in the form of PDFs, imply much greater confidence than the underlying assumptions justify; we know our current models are inadequate and we know many of the reasons why they are so.These methods aim to increase our ability to communicate the appropriate degree of confidence in said results.

Even if the underlying assumption is not 100 percent accurate, it has been heuristically useful, and at least some of the models that utilized it have not done badly for long term global temperature trends (e.g., Hansen et al 1988), although less well for other simulations.

However, like all statistical models that do not reflect the real underlying physics of a situation, assuming a form of climate sensitivity — a constant sensitivity parameter for instance, is simply an assumption that may or may not be useful.

The implicit assumption underlying all those multi-model projections and averages is that the model physical theory itself is physically complete and would yield a physically true representation of the climate if only the parameters were exactly known, along with the initial conditions.

The projections presented in the AEO are not statements of what will happen but of what may happen given the assumptions in the underlying National Energy Modeling System (NEMS).

But no matter how complex the details are modeled, the bottom line is that somewhere in the assumptions underlying these models, a feedback percent of 67 - 80 % is implicit]

The IPCC then attempts to assert their models are robust and that therefore proves the CO2 hypothesis however, an objective look at the models would say that it seems unbelievable the models are robust on the face of them considering the computational complexity and errors in the numerical processes as well as the number of assumptions in the underlying formulas.

But how much actual difference in the underlying assumptions in the models?

If those predictions prove accurate, the models — and more importantly, their underlying assumptions — become more credible.

You can not use a statistical model without some assumption on the underlying physical process.

Furthermore, they are liable to be misleading because the conclusions, usually in the form of PDFs, imply much greater confidence than the underlying assumptions justify; we know our current models are inadequate and we know many of the reasons why they are so.

If the assumptions underlying the financial modelling were incorrect, then the impact on criminal firms which are already vulnerable due to «wafer - thin» profit margins — identified by the independent research — would be serious.

So the first problem with the model is with the underlying assumption that ignores the customer who wants to pay for outputs, not inputs.

Some basic assumptions underlie this model, including that lawyers provide litigants with beginning - to - end «full representation» in a case.

The Family System's Practice Model: Underlying Assumptions (distributed at the Northern B.C. Child Care Conference); Perez Educational,

As a Baby Boomer of late 20th - century America trained in a blend of humanistic and family systems models, with the underlying assumption that everyone embodied great human and relational potential ready to be released in therapy, it was clear where I stood.

The underlying assumption of the model is that individuals, even quite young children, have the capacity to let go of their problems.

The contrasting nature of personal relationship quality between secure and insecure individuals is based on the underlying assumption that attachment influences one's working model of others (Bowlby 1982; Shaver and Mikulincer 2002).

Lastly, an important assumption underlying the AR and TAR models is that the intervals between consecutive measurements are (approximately) equal.

The underlying assumption of social learning — based PMT models is that some sort of parenting skills deficit has been at least partly responsible for the development and / or maintenance of the conduct - problem behaviours.