Sentences with phrase «error of estimate»

When you consider even the most extreme claim for the global warming effect of human CO2, it is within the error of the estimate of almost every single variable.
It is inherent in the data set, being derived by an equation from the standard error of estimate.
Professor Phil Jones at the University of East Anglia (yes, the Phil Jones), tells me: «The error of estimate of global averages or the forecasts for subsequent years is completely unrelated to the trend of warming.
Regardless, notice the amount is less than the error of the estimate of two of the natural emissions, «Oceans» and «Ground» and close to a third, «humans and animals».
In other words the error of the estimate of incoming insolation is five times greater than the effect of CO2.
The standard error of this estimate is just 0.13 percentile points.
This is a very precisely - estimated zero: the standard error of this estimate is just 0.14 percentage points.
The standard error of this estimate is 0.114.
In four of the countries, Australia, Hong Kong, Scotland, and the United States, the standard error of the estimated effects of class size was extremely large, indicating that little confidence should be placed in the results.
This is greater than the two - point gain we found in Iceland and Greece, but it is within the standard error of these estimates, suggesting that the actual effect of reducing class size in Iceland and Greece could be as large as Krueger found in the United States.
In general, we can conclude that we find evidence that investor experience lessens the simple mathematical error of estimating portfolio returns, but seems not to influence their behavioral mistakes pertaining to how good (in absolute sense or relative to other investors) they are.
JAXA boasts that, «we can reduce the error of the estimated values when we introduce IBUKI's observation data compared to that of the values calculated in a conventional way based on ground observation data.»
By the way, although I have not read the paper, «variance corrected means» probably refers to some technique to obtain more accurate estimates of the means, the averages in the series, using information on the variance of the error of estimating these averages which would have varied from year to year.
BEST has released gridded data, and I'm more interested in it at the moment On that subject, is there any uncertainty information, such as mean standard error of the estimates associated with the grid points?

Not exact matches

This timeliness and detail comes at a cost, however, as the small sample sizes of the LFS causes the estimates to have substantial standard errors (which can lead to some peculiar results at the provincial and CMA levels).
«If you really want to be 100 % confident in your estimate, you're either going to have to ask every American or be satisfied with a huge margin of error,» Bray, the Reed College statistics professor, says.
Further, there's a good chance the hot hand is more substantial than we estimate due to another subtle statistical issue called «measurement error,» which we discuss in the appendix of our paper.
While the American Medical Association estimated that 7.1 percent of paid claims in 2013 contained an error, a 2014 NerdWallet study found mistakes in 49 percent of Medicare claims.
The IIF, incorporating recently released partial State Administration of Foreign Exchange (SAFE) data for the fourth quarter, said it now estimates that China's 2015 net capital outflows totaled $ 463 billion, or $ 637 billion including errors and omissions.
«What this all suggests is that the level of precision at which a speaker chooses to convey a quantitative estimate — as «seven days» versus «one week» — signals to message recipients the magnitude of error around the estimate they should expect,» says Mason.
This online survey is not based on a probability sample, and therefore no estimate of theoretical sampling error can be calculated.
With the increasing reliance on tax data for business surveys, I fear for the quality of GDP estimates — and just look at what the Conference Board's error on the China LEI did to the markets this week.
After analysts fixed a computer programming error that had inflated the total, the CDC reduced its estimate of cases of «severe maternal morbidity» this year from 65,000 to more than 50,000.
«There's no reason to doubt the governor's estimate of end - October, and there's no room for error in the necessary federal response.»
The errors in estimating the costs of the war, the incompetent planning for the occupation, and the failure to understand the sheer length of the commitment are at least as important in understanding questions of when, if, and how, the U.S. should get into wars.
You're estimate of world christian believers is also in error as well, but I get you're point.
The margin of error to be allowed for in any estimate depends mainly on the number of interviews on which it is based.
Calculation to determine the necessary number of resident participants used estimations of knowledge from previous studies of pediatric residents, which suggested a baseline knowledge about breastfeeding of 60 percentage points.8, 9,15 To detect an improvement in knowledge score of 20 percentage points with an estimated standard deviation of 20 points, a 2 - tailed α error of 0.05 and a power of 0.80, sample size was calculated at a minimum of 16 resident participants.
Ignoring the stratified sampling does not affect point estimates and may have resulted in slightly overestimated standard errors.14 Robust variance estimation was used to allow for the clustered nature of the data within units and trusts.
We therefore performed each simulation 2,000 times, drawing key parameters at random from triangular distributions covering the range of estimates available in the literature associating breastfeeding with maternal health outcomes, centered on the point estimate provided in the literature and a distribution width of four standard errors.
Self - reported weight and height contribute to measurement error in the calculation of prepregnancy BMI and misclassification into BMI categories, which affect estimates of GWG and PPWR (65).
The authors conducted a systematic review of published studies from which estimates of a mean difference (standard error) in blood pressure between breastfed and bottle - fed subjects could be derived.
Mr. Cuomo began the year by unveiling a pledge to cover the cost of tuition at state colleges for families making up to $ 125,000 a year, a plan that his administration estimated would cost $ 163 million a year by 2019 — a mere «rounding error» in the education budget, the governor said on Tuesday, but that experts have warned could ultimately cost far more.
It is possible to produce estimates for the effect of different uniform swings as UK Polling did here, but there are, of course, subject to greater error and many more caveats.
«Even if we take the extreme of these error estimates, we are left with a significant trend since 1890 and a significant trend in major hurricanes starting anytime before 1920,» say atmospheric scientists Greg Holland of the National Center for Atmospheric Research in Boulder, Colo., and Peter Webster of the Georgia Institute of Technology in Atlanta.
But even physicians provided incorrect diagnoses about 15 percent of the time, which is comparable with past estimates of physician diagnostic error.
Point estimates of population parameters (e.g., mean, correlation coefficient, slope) or comparative measures (e.g., mean difference, odds ratio, hazard ratio) should be accompanied by a measure of uncertainty such as a standard error or a confidence interval.
Padgett notes, «Previous investigations were able to provide estimates of subsidence with large errors, which are only so helpful to the modelers.»
Uncorrected refractive error was the leading cause of moderate to severe visual impairment, affecting an estimated 101.2 million people.
The resulting dark energy value, 74 per cent of the universe's energy, had a potential error one - third the size of previous estimates (Nature, DOI: 10.1038 / nature09577).
Intel responded by saying that analysis of a variety of spreadsheet users at its own offices backed up its estimate of 1000 divisions per day, and that four - figure numbers are not statistically any more likely than others to lead to errors.
The new measurement fits with previous estimates when their margin of error is considered, he says.
«Although both water balance - based and GRACE - based groundwater volume estimates are subject to errors, the relatively small area of the Central Valley in the eyes of GRACE might also be responsible for that recovery discrepancy,» Lee said.
There, however, activity did not correspond as closely with the magnitude of error in the participants» initial risk estimates, matching the poorer correction later.
«Our goal is to give the examiner a way to estimate the probability of this type of error so the jury can take that into account when deciding guilt or innocence.»
Scientists believe that aerosols exert an influence on climate roughly equal to that of greenhouse gases, but the current estimate of aerosols» climate effect carries a large margin of error.
A new paper, co-authored by Woods Hole Research Center Senior Scientist Richard A. Houghton, entitled, «Audit of the global carbon budget: estimate errors and their impact on uptake uncertainty,» was published in the journal Biogeosciences.
At the end of his famous report, Henry Cavendish said of another estimate of G, which deviated from his by 22 percent, well outside his estimated statistical error of plus or minus 7 percent: «[It] differs rather more from the preceding determination than I should have expected.
«Obviously, that's a low estimate because not everybody has gotten back to me, and there may well be a lot of errors that I haven't picked up.»
Normally, radiocarbon dates have error ranges of several centuries, but the researchers could improve the estimates because the smallest sharks measured showed the «bomb pulse» — a huge increase in global radiocarbon released from the hundreds of nuclear weapons tested in the 1950s and»60s.
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