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 us
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 us
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 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.