However, researchers say distinguishing heartburn sufferers from people with GERD complicates finding
precise estimates for the prevalence of GERD.
With an accurate understanding of surface motion in a given zone, researchers also get more
precise estimates for how a building will be affected by shaking.
Along with radiocarbon dating on charcoal remains from human - made fires, these analyses yielded a much more
precise estimate for the age of sediments surrounding artifacts at various depths.
After I understand your needs and have reviewed a sample of your manuscript, I'll be able to give
you a precise estimate for your particular project.
So the direct energy balance argument can't give
a precise estimate for 2xCO2, even if we knew the exact forcing and temperature change at the LGM.
Not exact matches
Although there is not enough official data to come up with a
precise figure
for bad loans, other analysts have come up with
estimates of around $ 5 trillion.
In the 19 months that followed, that
estimate turned out to be
precise for the tech - heavy Nasdaq 100 Index.
As stated by economists Jon Faust and Jonathan H. Wright in a 2009 paper, «by mirroring key elements of the data construction machinery of the Bureau of Economic Analysis, the Fed staff forms a relatively
precise estimate of what BEA will announce
for the previous quarter's GDP even before it is announced.»
The top 1 % took heavy hits from the dot - com crash and the Great Recession but recovered fairly quickly: Saez's preliminary
estimates for 2012 (which will be updated next month) have that group receiving nearly 22.5 % of all pretax income, while the bottom 90 %'s share is below 50 %
for the first time ever (49.6 %, to be
precise).
Buffett says academics, regulators and some market practitioners prize the formula — named after the economists Fischer Black and Myron Scholes, who popularized its use it in a 1973 paper —
for its capacity to
estimate a
precise value
for an option over a long span.
I don't pretend to have a
precise estimate of the appropriate P / E
for Google, but given the strong tailwind of advertising moving online from traditional media, I think it is very difficult to argue that Google doesn't deserve an above - market P / E multiple.
For example, the seeming unlimited number of galaxies (with each containing anywhere from an
estimated 10 to 500 billion stars) and the
precise order that exists within the universe, and the shear distance between stars (an average about 4.2 light years or about 25 trillion miles), has caused some to stop and look in awe.
The EDF declined to provide a
precise cost
estimate for its satellite because the design remains in flux, but said that it is likely to be in the tens of millions of dollars.
The
precise amount to be cut depends on several variables, including tax revenue, but an
estimate by the Congressional Budget Office puts it at 7.8 % in 2013
for the non-military component.
Caveats first: Sample sizes are now smaller, so these
estimates are less
precise than those
for the broader fields: STEM, social sciences, and so on.
With an
estimated 1 billion people worldwide suffering from some form of brain disorder, he argues, there is a very real need
for new approaches, including optogenetics, to reveal more
precise targets in the brain.
The 17 - billion - solar - mass
estimate for the central black hole in NGC 1600 is much more
precise, with a range (standard deviation) of 15.5 to 18.5 billion solar masses.
However because the London Cycle Hire scheme hasn't been operating long enough to get a very
precise estimate of the true injury rates on the scheme, the researchers also repeated their analyses using background injury rates
for cycling in the hire zone (i.e. injury rates
for all cycling, not specifically
for cycle hire cycling).
In their «Editorial comment to the «NIA - AA Research Framework: Towards a Biological Definition of Alzheimer's Disease,»» Nina Silverberg, Ph.D., Cerise Elliott, Ph.D., Laurie Ryan, Ph.D., Eliezer Masliah, M.D., and Richard Hodes, M.D., of NIA point out that the Framework — in addition to improving early detection and the development of new therapies — could potentially «allow more
precise estimates of how many people are at risk [
for or living with] Alzheimer's disease, how best to monitor response to therapies, and how to distinguish the effects of Alzheimer's disease from other similar pathologies.»
The YTT isochron provides an accurate and
precise age
estimate for the Lake Malawi paleoclimate record, which revises the chronology of past climatic events in East Africa.
For K2 - 38, we measured
precise radial velocities using Keck / HIRES and provide initial
estimates of the planet masses.
With limited data, it was impossible to
estimate the
precise temperature inside the disk, which is essential
for the understanding of the planet formation in the disk.
Although there are no
precise figures
for Australia, it is
estimated that the site has over 13 million members outside of America.
It emphasized the need
for basic - skills instruction and the importance of
precise answers, instead of
estimated ones, especially in the lower grades.
Note that slight discrepancies between Figure 1 and the
estimated 12 - and 20 - year default rates among borrowers shown in table 1 are due to the fact that the
precise timing of defaults is unknown
for a small fraction of defaulters, who are included in Table 1 but excluded from Figure 1.
Our
estimates of the effects of G&T participation
for barely eligible students are close to zero in all five subjects and are sufficiently
precise to allow us to rule out with 90 percent confidence effects as small as 0.04 standard deviations (sd) in math, 0.07 sd in reading, 0.12 sd in language, 0.10 sd in social studies, and 0.19 sd in science.
Leaving them within the analysis, however, does improve the precision of
estimates for other covariates, which results in a more
precise estimate of the treatment effect.
The variation in pilot results across designs may be due to the fact that the lottery
estimates for pilot high schools are not very
precise.
None of the other peer interactions reported in Table 9 are significantly different from 0, though it should be noted that the
estimated peer interactions
for high school students are not very
precise.
For example, while Latino students account for 16 percent of observations in the data, the state has too few Latino teachers to estimate precise race - match effects for this gro
For example, while Latino students account
for 16 percent of observations in the data, the state has too few Latino teachers to estimate precise race - match effects for this gro
for 16 percent of observations in the data, the state has too few Latino teachers to
estimate precise race - match effects
for this gro
for this group.
Perhaps the analysis should be weighted by the inverse of the standard error of the test score
for each country, to give more weight to countries with more
precise estimates?
Precise numbers of teacher job openings
for the upcoming school year nationwide are hard to come by: Many school districts must approve budgets before knowing how much state aid they will receive, or how many current teachers will either resign or retire, which means budgets are based on
estimates.
At this point in time, the quality of the data available
for tracking their progress ranges from rough
estimates to moderately
precise, with the bulk coming from the non-government National Student Clearinghouse, which matches high school, college, and other identifier records to track students as they progress through higher education.
Although she thinks the model could still work, she cautions readers that it is not capable of
precise comparisons Although Howey's method of
estimating book sales based on bestseller rankings is creative, it is no substitute
for actual sales data.
Make sure you have an accurate
estimate with a cap that can't be exceeded, and a
precise schedule
for the stages and dates of the work to be done.
Before requesting a
precise estimate, consider these typical figures
for common policy configurations with a 30 - day elimination period, and a 12 - month payment length.
For a more
precise estimate, you can look up the «PMI rate charts» or «PMI rate tables» that many mortgage insurance companies maintain online.
If you're out to make a more
precise estimate of the nest egg you'll need
for early retirement, you should
estimate your CPP based on when you expect to start it.
The second, and less
precise way, to
estimate the potential of an individual dog to contribute to genetically transmitted diseases in progeny is to test the dog itself, and as many of its relatives as possible,
for the presence of specific health conditions.
The
precise ME values
for many dog food ingredients have not been experimentally determined and are often
estimated using those
for other monogastric species (such as pigs) or calculated using Atwater physiologic fuel values modified
for use with typical dog food ingredients.
No
precise estimate of the un-owned cat population exists
for the United States because obtaining such an
estimate is cost prohibitive, and feral un-owned cats are wary of humans and tend to be solitary outside of urban areas.
This stands in contrast,
for instance, with the IEA's
estimate from as recently as 2012, which, despite recognizing the existence of rebound,
estimated rebound effects globally at a rather
precise 9 %.
Indeed, this was found to be true
for any of several different published volcanic forcing series
for the past millennium, regardless of the
precise geometric scaling used to
estimate radiative forcing from volcanic optical depth, and regardless of the
precise climate sensitivity assumed.
The different dimensionless numbers used in this article provide the method that engineers use to make the
estimates that allow the
precise complexity to be accounted
for in a reasonable manner.
EOR provides the best target customer: the approximately 100M tonnes of CO2 consumed in EOR globally is likely a full order of magnitude greater than all of the other CO2 consumed
for other purposes worldwide (though it is difficult to get a
precise estimate of total global CO2 consumption by end use...).
The projections will provide more details about sea - level rise,
for which observations show rates increasing, and should give a more
precise estimate of the levels we will see at the end of the century.
As I interpret the evidence, the observational data tend to confirm the modeling
for these individual feedbacks at least semiquantitatively, and this suggests to me that the climate sensitivity
estimates are probably not grossly in error, even if
precise quantitation still eludes us.
But arguments over the
precise value of climate sensitivity duck the wider point, which is that even if we're lucky and climate sensitivity is on the low side of scientists»
estimates, we're still heading
for a substantial level of warming by the end of the century if greenhouse gas emissions aren't addressed, as the IPCC has highlighted.
The process takes precisely measured point data and then averages it in some fashion with other data from farther away, coming up with effectively imaginary values (
estimates)
for grid cells that are only vaguely related to the original,
precise data.
It isn't difficult to correct
for serial correlation in the errors, and failing to do so leads to misleadingly
precise estimates.