Sentences with phrase «on modeling assumptions»

And there is no reason to privilege «the likelihood,» which itself will be based on modeling assumptions.
But I am also aware that every study is premised on modeling assumptions (such as which years to include), and those assumptions are often the subject of scholarly debate.
Based on a model assumption that pregnancy duration is 9 months, the rate is 7 to 27 per 10,000 woman - years.
As for statistics - oriented trend methods, we argue that checks on model assumptions and model selection techniques yield a way out.
Such results are strongly dependent on model assumptions regarding climate change scenarios, ice dynamics and other factors.

Not exact matches

I have talked about this before: All economic and budget models are based on assumptions.
Even when two valuators do agree on the methodology, they may vary on the assumptions used in that model and then arrive at very different values for the firm.
Buffalo Wild Wings said Marcato's belief that the company should move to a franchise model is based on flawed assumptions.
And it would not be until they questioned their own most basic assumptions about «the way Magellan's was managed» — the company's dependence on them, the heroic - leader model they'd brought into the company from day one — that they would have a shot at doing what few founders can when the wall confronts them: getting through it.
The model on which it was based is a marvel of restrictive assumptions: an economy that is closed to trade, expectations about inflation that are essentially myopic, interest rates that are largely impervious to the demand for credit and investment that is largely impervious to interest rates.
Rather than telling prospective investors, depositors or others that they're worth, banks can use Enron - style «mark - to - model» accounting to say that their stock's book value is whatever in - house model - builders want to say they're worth, on whatever blue - sky assumptions they choose.
I believe strongly in the need to go through the exercise of building a financial model (can focus mind and expose hidden assumptions and flaws), and agree that the focus should not be on formal financial documents or even on the resulting numbers themselves (that is, until you are up and running and have real numbers).
I would have liked the meetings to focus on validating or trashing the basic premises or assumptions on which the entire business model was structured.
«Most of the assumptions behind the CAPM model do not come close to reality - at least not on this planet» David Dreman
Last time I emphasized getting specific on your revenue streams — down to the customer segment, pricing model, and customer lifetime assumptions.
You'd probably have to come up with a statistical model that estimates what the fluctuations should be given some basic assumptions on how people will buy to make a conclusive argument that there is something fishy here.
The Dividend Discount Model requires two major assumptions — the return on the stock market for the next year and the growth rate for the stock's dividend.
We build up a simplified model of reality by making assumptions about how the world works, and then we try to assume everything away apart from that specific issue we are focusing on.
Senior pastorates are still modeled on a working assumption that the «real» minister is male.
But for my purposes it is enough to say that the assumptions I have listed have many practical consequences when governments adopt policies oriented to economic growth on the basis of advice from neoliberal economists, or, indeed, many other economists who share this model.
@Lawrence of Arabia, A mathematical model by definition is an approximation based on certain assumptions, such as the existence of zombies, without which it means nothing, but the math still works.
When Henry Ford merchandized his Model T shortly after World War I, advertising was based on the assumption that the seller and buyer were equally accessible, equally knowledgeable, equally powerful.
However, in a very subtle and persistent way the assumption of the primacy of primary qualities, or some noumenal substrate modeled on them, continues to affect much of our thinking today.
In contrast, MacKinnon's model is founded on the assumption that a human male can not achieve his sexual objectives unless the physical, psychological, and / or social context of the act is nonconsensual.
Conversely, the metaphysical system adopted may lead to emphasis on particular features of the model (e.g. Platonic and Aristotelian assumptions lead to emphasis on God's changelessness, self - sufficiency and omnipotence, whereas Whiteheadian thought minimizes each of these aspects).
We know that these three kinds of ministry of the New Testament epoch were modeled in part on Jewish and pagan precedents and we shall take note of the extent to which they were elaborated in self - conscious polemical parallelism alongside these rival institutions on the assumption that Christians were the militia of Christ under the heavenly Emperor and the true or new and ongoing Israel of God.
RE: Just a little piecprsteve on the credibility of the authors of the study: Study co-author Dr. Roy Spencer, a principal research scientist at the University of Alabama in Huntsville and U.S. Science Team Leader for the Advanced Microwave Scanning Radiometer flying on NASA's Aqua satellite, reports that real - world data from NASA's Terra satellite contradict multiple assumptions fed into alarmist computer models.
Without greater long - term investment, the move was extremely unlikely to lead to the savings promised, with the government's modelling based on some questionable assumptions.
The public should know what assumptions CityBridge's business model is based on, including how much revenue is being generated by the advertising and where those funds will be going.
The study used models to estimate marine mammal consumption of chinook salmon based on several assumptions about their diet and the size and weight of salmon.
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.
«Most previous research into ways of delaying the onset of HD symptoms have focused on studying the mutant protein in cells or in animal models, but the relevance of abnormalities in those systems to what actually happens in patients remains a huge assumption,» says James Gusella, PhD, director of the Center for Human Genetic Research (CHGR) at Massachusetts General Hospital (MGH), corresponding author of the Cell paper.
The models rely on a long list of assumptions, making it difficult to know which one of them (if any) corresponds to the real world.
Astronomers had thought most large stars were single, and based their models of galactic evolution on this assumption.
Yet, the standard model of cosmology rests on the assumption that, on the largest scales, these variations are insignificant, and space is homogeneous and isotropic.
That finding should provide some comfort for cosmologists, whose standard model of the evolution of the universe rests on an assumption of such uniformity.
However, the accuracy of the authors» predictions may be limited because the vaccination model was based on several assumptions.
Their model worked on the assumption that lumps of tissue bumping together produce the thump, and those tissues pulling apart produce the ring.
The Southampton research team, led by Richard Sandberg, Professor of Fluid Dynamics and Aeroacoustics, and including Dr Andrew Wheeler and Professor Neil Sandham, has identified that Direct Numerical Simulations (DNS), a model - free approach based on first principles (no assumptions or modelling are used) can help to develop an improved understanding of the role of turbulent phenomena in the flow - field and determine the validity of current turbulence modelling.
However, the model depends heavily on assumptions about the way soot particles form, he says.
This challenge to the established LNT model and raises questions on some of the basic assumptions used to assess the risk of low dose radiation exposures.
Limited by the era's computers and understanding of physics, Wilson's model relied on simplifications — such as the star being a perfect sphere — and incorrect assumptions about the behavior of very dense matter and how neutrinos move from the core's interior to the crucial outer parts where the heating of the shock wave occurs.
I retrieved data on multiple species from various research sites, and through comparative analyses of these data I explored trends and made assumptions that allowed me to sketch out various ecological interaction models.
«Our method is both direct and universal,» notes Krivitsky, «as it is not based on any particular statistical model of the cell response and thus does not involve any indirect assumptions
You can always count on the weather... to ruin a perfectly good game === Dr Norman Page says: September 14, 2013 at 8:12 am This new sensitivity estimate is merely a minimum tweak to a hopelessly faulty process.The climate models are incorrectly structured because they are based on three irrational and false assumptions.
Moreover, our analysis does not depend on large, complex global climate models, the huge computer programs that are notorious for their hidden assumptions and adjustable parameters.
Here, we made the assumption of conditional independence for two reasons: (1) since our AN model had no correlated noise source, we wished to put the decoders from the three locations on an equal footing; (2) more importantly, ignoring noise correlations rendered inference far more tractable.
On the limited information available to me, they seem quite promising — but it certainly would have been helpful in making judgments on this point if the IPCC had modelled a low - medium population projection (as in the A1 and B1 scenarios) which made more moderate assumptions about growth in output and energy usOn the limited information available to me, they seem quite promising — but it certainly would have been helpful in making judgments on this point if the IPCC had modelled a low - medium population projection (as in the A1 and B1 scenarios) which made more moderate assumptions about growth in output and energy uson this point if the IPCC had modelled a low - medium population projection (as in the A1 and B1 scenarios) which made more moderate assumptions about growth in output and energy use.
All the models I've seen rely on the assumption that an increase in atmospheric greenhouse gases will necessarily increase the long - term average temperature of the globe and that all the other mechanisms that cause or counteract warming are understood and modeled fairly accurately.
Quantitative MR estimates of blood oxygenation based on T2 *: a numerical study of the impact of model assumptions.
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