Sentences with phrase «tested against data»

But the models do show real skill when tested against data not used to tune them — and they show large - scale climate patterns that reflect what really happens.

Under the scientific method, hypotheses are only as strong as the degree to which they are tested against the data and external critiques by which they are examined.

We both agree that this is a prediction that can be tested against data.

That means: in fairness, at a minimum, you need to give modelers credit for trying to provide true forcasts based on the forcing estimates for aerosols, and those forecasts were tested against data.

That finding was then tested against data from two other studies, which echoed that result.

This was tested against data from space.

If one has the wisdom to question their beliefs by actually testing them against data, thinking carefully about valuations, and studying the course of market cycles across history, none of these points should be surprising.

Mhyre has been very poorly mentored by climate «scientists» to commit illogical rhetorical attacks rather than upholding true science by exploring ALL models and testing them against ALL data.

You eyeball patterns with no significance test and no physical basis for guiding the choice of model to test against the data.

Not exact matches

However, Singleton said he has tested his model against historical data from the crisis year, yielding a 16 percent return against a 38 percent slump in the S&P index.

While Steel established the soundness of his suggestions in laboratories (and continues to collect data via free diagnostic tests offered on his website, procrastinus.com), he has always been his own Patient Zero, inoculating himself against his bad habits with life hacks like those outlined in his book.

(Theranos has denied many of the accusations levied against it, though without many specifics, and has said it will publish data validating its blood tests soon.)

A control period of two weeks is also sufficient to determine baselines of data against which to compare the number of events in the test window.

Rather, the challenge was the inadvertent result of my 2009 insistence on stress testing our methods of classifying return / risk profiles against Depression - era data.

After the 2008 collapse that we had anticipated, the behavior of the markets and the economy became «out of sample» from the standpoint of post-war data, and I insisted on stress - testing our methods against Depression - era data.

In any event, there's no question or argument that my insistence on stress - testing against Depression - era data was a painful shot to the foot in this cycle, and is more painful because, at least to - date, it turned out to be unnecessary in hindsight.

This unfortunately dismisses the central lesson to be drawn from the awkward transition that resulted from my 2009 decision to stress - test our methods against Depression - era data, not to mention the fact that concerns similar to my present ones were rather stunningly vindicated over the completion of prior market cycles.

The «out of sample» behavior of the economy at that time, compared with post-war behavior, prompted my insistence on stress - testing our methods against Depression - era data.

Our difficult experience in the recent half - cycle resulted from my insistence in 2009 on stress - testing our methods against Depression - era data, because the resulting methods of classifying market return / risk profiles picked up that historical regularity.

Instead, criticize my insistence on stress - testing our methods against Depression - era data, following a financial crisis that we fully anticipated.

Likewise, nearly all of our challenges during the advancing half - cycle since 2009 can be traced to my 2009 decision to stress - test our market return / risk classification methods against Depression - era data, which inadvertently led us to overemphasize «overvalued, overbought, overbullish» syndromes that had reliably warned of market losses in prior market cycles across history.

The ensemble methods that came out of our stress - testing efforts performed better across history than any other approach we had ever tested (including against holdout validation data), but we missed a market rebound in the interim.

The results of statistical tests that use the Sound Money and Monetary Freedom indicators as independent variables should be checked against results that use raw inflation data, instead, or using tests that strip out price stability data altogether.

Mays recognizes that Whitehead's method in speculative philosophy is akin to the hypothetico - deductive method of the sciences, where from particular observed data one frames a theory and then tests it against other data.

By drawing on these two sources of data, the researchers were able to produce an analysis that is better than that of the two other major quantitative researchers in the field, George Barna and George Gallup; it is the standard against which other research on teens should be tested.

Known for developing theories based on experimentation and data collection rather than abstract thought, Alhazen stressed the need to test results — especially those considered canon, as he wrote in his Doubts Against Ptolemy:

«A single Pap test does not provide good protection against cancer, but repeat testing every three years has been shown to effectively reduce cancer rates, and it is the only method for which long term data are available,» explained co-author Rebecca Perkins, MD, MSc, assistant professor of Obstetrics and Gynecology at BUSM and a gynecologist at BMC.

Those are choices that males make, and you can't just exclude one half of the population from the data against which you're going to test your hypothesis.

Brewis and her team then tested the data against a framework of three possible pathways that might help explain why people and those they are close to have similar body sizes.

Francine Ducharme at the University of Montreal in Canada and her colleagues analysed data from 25 randomised trials that tested inhaled steroids against a placebo (Cochrane Database of Systematic Reviews, doi.org/tr9).

Model simulations can always be improved by testing predictions against field data collected from different ecosystems, and Sulman and Phillips are doing just that: investigating how roots influence soil decomposition and protected forms of carbon in forests that vary in the composition of tree and microbial communities.

Following standard practice in the field, the researchers divided their training data into three sets, sequentially training the algorithm on two of the sets and testing its performance against the third.

Based on the results of that test, Beaty and colleagues developed a predictive model and tested against brain scan data collected for earlier studies on creativity.

By testing their model against historical data, they found their production forecasts were more accurate than those of both peak oilers, who are traditionally too pessimistic, and authorities such as the US Energy Information Administration, which is generally far too optimistic.

Once the network learns to perform from training data, it can then be tested against unlabeled data.

«Although data clearly indicate better immune responses and vaccine efficacy against both genital warts and cervical dysplasia when vaccination occurs before age 14, this study suggests that HPV vaccination may be effective in reducing abnormal Pap test results even after sexual debut,» explained co-author Rebecca Perkins, MD, MSc, assistant professor of Obstetrics and Gynecology at Boston University School of Medicine and a gynecologist at Boston Medical Center.

In data from 2012, before the task force made its recommendation against the test, out of 105,812 men who responded to the survey, 30.1 percent discussed both, 30.5 percent discussed neither, 38.5 percent discussed only advantages, and 0.8 percent discussed only disadvantages.

«These results enable us to determine whether potential treatments will be effective against patients» symptoms by testing them first in healthy volunteers and defining the best doses based on objective physiological data before conducting costly clinical trials,» said Jeffrey Lieberman, MD, the Lawrence C. Kolb Professor and Chairman of the Department of Psychiatry at CUMC, and Principal Investigator of this study.

This time, to check my genetic fortitude against such toxins I will use data from more than 1.5 million DNA markers I had tested for this project.

In technical terms this process is known as falsification: testing a hypothesis against empirical data and then dismissing it if it fails to match up with reality.

From at least Lorius et al (1991)-- when we first had reasonable estimates of the greenhouse gases from the ice cores, to an upcoming paper by Schneider von Deimling et al, where they test a multi-model ensemble (1000 members) against LGM data to conclude that models with sensitivities greater than about 4.3 ºC can't match the data.

There'll be a mass of data to test the models against — a really big signal - to - noise ratio in a few decades time.

Presumably in this case you'd start with a model that's already been tested against a lot of data and thus serves as a compact proxy for that information.

In an effort to further exploit the potential of Pexa - Vec to activate the immune system to fight cancer, as seen in McDonald's preclinical data, SillaJen recently announced a new clinical trial in collaboration with New York - based Regeneron Inc. to test Pexa - Vec and REGN2810, a PD - 1 checkpoint inhibitor, in combination against renal cell carcinoma, and recently signed a sponsored research agreement with UCSF to enable joint support of parallel preclinical experiments by McDonald's team.

To test for differences in growth rates between genotypes, we fit the data using linear models regressing larval weight against age and tested for differences in the interaction term between larval age and genotype using ANCOVA and post hoc comparisons of the slopes of fitted lines using lstrends (HH and lsmeans packages).

Tom appears challenged by the idea of building global climate models based on atmospheric physics and doing years of testing those models against actual data.

This environment, designated the Virtual Environment for Reactor Applications (VERA), incorporates science - based models, state - of - the - art numerical methods, modern computational science and engineering practices, and uncertainty quantification (UQ) and validation against data from operating pressurized water reactors (PWRs), single - effect experiments, and integral tests.

Analysis of this data revealed a set of candidate biomarkers which were then tested against over 150 longitudinal samples from an SMA natural history study by the Pediatric Neuromuscular Clinical Research Network.

The rapid growth of genetic testing and data - gathering could revolutionize health and medicine if governments work to protect people against privacy and societal risks.

The quality of the data, combined with the presence of these comparison «known lens» samples, makes this a natural choice against which to develop and test the Space Warps system.