Sentences with phrase «used decades of data»

Audubon scientists used decades of data from the North American Breeding Bird Survey and Audubon's Christmas Bird Count, combined with 17 climate variables, including temperature and rainfall, to model how summer and winter ranges of North American birds coincide with different suites of climate variables.

Ding, now a PSC affiliate, along with Schweiger and other colleagues from UW and NOAA used decades of data to examine the contribution of the atmospheric circulation to Arctic sea - ice variability.

Not exact matches

Using longitudinal data from the nine - decade - long Terman life - cycle study, which has followed the lives and career outcomes of a group of gifted children since 1922, researchers Timothy A. Judge of Notre Dame and John D. Kammeyer - Mueller of the University of Florida analyzed the characteristics of the most ambitious among them.

The bank has really interesting data sets from decades of market data that can be used to solve open problems right now,» says Agrafioti.

I looked at a lot of data sources for this article and used Cambridge Associates because their data was robust, first - party, went back two decades, and included specific return thresholds.

It has been over a decade since Michael Lewis's Moneyball told the story of a baseball general manager using advanced data analytics to look for players with undervalued skills.

Time series analysis could help predict, based on what happens at the London Stock Exchange, how other exchanges will be impacted using decades» worth of stock data.

In the last two decades, it has been used to describe all kinds of devices, most of which connect to the Internet to collect data for interested users.

Using economic data about the host and competitor countries from seven tournaments over four decades, Goldman analysts found a number of trends that adventurous investors should heed.

Three Statistics Canada analysts have recently used newly available data to measure Canadian replacement rates over the period from the early 1980s to the middle of the current decade.

The software responsible for the signal has been used by investors for nearly a decade, and analyzes a variety of data from various sources in order to provide an informed signal software.

«Volatility at World's End: Two Decades of Movement in Markets» is a depiction of real stock market volatility using trading data from 1990 to 2011.

(Note, I am pretty sure you can correlate the two for terrorism in the last couple of decades, but when you present an article based on data, please * use * some data.)

On Monday, I used an estimated version of my S&P + ratings — using points scored and allowed (the only data points available) to compare output to expected output based on opponent strength — to rank which programs were the best in each decade going back to the 1890s.

For years we have posted articles referencing various betting systems that have been created using our Bet Labs software, which allows customers to build data - driven systems using over 100 different filters and over a decade of data.

Take a decade - by - decade look at just a few of Mathematica's projects that have made a lasting impact on the field of research and the use of data to make a difference.

The Johnson & Daviss study of 2005 used a neat little trick: they compared CURRENT CPM data with hospital data that was several DECADES old.

«Based this new analysis of a decade's worth of data on children involved in crashes, policymakers, pediatricians and health educators should continue to recommend as best practice the use of belt - positioning booster seats once a child outgrows a harnessed based child restraint until he / she is at least 8 years of age,» says Dennis Durbin, MD, MSCE, co-scientific director of The Center for Injury Research and Prevention and study co-author.

Time use data indicate that men have nearly tripled their time spent providing primary childcare (the amount of time when childcare is their primary activity) over the last few decades (Wang and Bianchi, 2009).

This brief uses data from the Current Population Survey Annual Social and Economic Supplement5 to examine the importance of public pensions to black retirement security, and why the twin threats to public pensions — cuts to state pension benefits and the decline in public employment over the past two decades — particularly threaten the retirement security of African American workers.

Direct mail mavens have been using voter files and consumer databases to target messaging and fundraising appeals for decades and data - targeting online ads is a natural extension of that mindset and skillset.

Researchers used over a decade of imaging data taken by NASA's Mars Reconnaissance Orbiter to investigate the composition of the Red Planet's frequent...

Scientists are used to persisting for decades, if necessary, to collect the data needed to make sense of these solo acts.

Using over a decade's worth of data from the Santa Barbara Coastal Long Term Ecological Research project, supported by the National Science Foundation, the investigators examined the effects of kelp on groups of organisms in the kelp forest ecosystem.

The research, conducted by Leah Schinasi, PhD, assistant research professor, and Ghassan Hamra, PhD, assistant professor, both of Drexel's Dornsife School of Public Health, was published in the Journal of Urban Health and used a decade's worth of crime data in Philadelphia (from 2006 until 2015) to find that rates of violent crime and disorderly conduct increased when daily temperatures are higher.

However, advances in MEG technology over the past decade allowed the team to gather accurate data about the origins of FFRs using MEG.

«We found a change in 14C that was more abrupt than any found previously, except for cosmic ray events in AD 775 and AD 994, and our use of annual data rather than data for each decade allowed us to pinpoint exactly when this occurred.»

For the study, the team has been using data collected over more than two decades from a small village on the east coast of Dominica.

Drawing on ADNI data, which helped link Alzheimer's disease to a common gene called CLU, researchers used this imaging technique in other people to discover that the brain wiring of gene carriers is impaired decades before the disease typically strikes.

So for decades engineers have tried to accelerate the pace of conventional, electricity - based computer chips by melding them with laser - based signal processors (like those used to send Internet data blazing through fiber - optic cables).

Downey used data from the National Survey of Family Growth (NSFG), administered by the National Center for Health Statistics (NCHS), to analyze the age at first marriage for women and men in the U.S., broken down by decade of birth.

For those not concerned about the parts per million of CO2 produced by the food they buy, a second paper using the same data calculated the health impacts of altering diets and concluded a switch to WHO guidelines would save almost 7 million years of lives lost prematurely in the United Kingdom over the next three decades.

New research using data from NASA's Van Allen Probes mission helps resolve decades of scientific uncertainty over the origin of ultra-relativistic electrons in Earth's near space environment, and is likely to influence our understanding of planetary magnetospheres throughout the universe.

The researchers used a climate model, a so - called coupled ocean - atmosphere model, which they forced with the observed wind data of the last decades.

Others have used tide gauge data to measure GMSL acceleration, but scientists have struggled to pull out other important details from tide - gauge data, such as changes in the last couple of decades due to more active ice sheet melt.

Since 2003, Kevin Hall, PhD — a physicist turned metabolism researcher at the National Institute of Diabetes and Digestive and Kidney Diseases — has been using data from dozens of controlled feeding studies conducted over decades of nutrition research to build mathematical models of how different nutrients affect human metabolism and body weight.

B612 will use data from the space telescope and observatories on Earth to identify potential threats in our neck of the solar system, hopefully decades before those threats become imminent.

«One of the most wonderful changes that has come to NASA over the last decade is the way they share images with the public,» says Lakdawalla, who explains that once upon a time, data would be sent back from missions for use only by scientists, who might publish a paper months later with a smattering of images.

A number of recent studies indicate that effects of urbanisation and land use change on the land - based temperature record are negligible (0.006 ºC per decade) as far as hemispheric - and continental - scale averages are concerned because the very real but local effects are avoided or accounted for in the data sets used.

Over three decades of continuous observation, data about the sun's magnetosphere has been used to test accepted theories about the structure of the sun and to create new ones.

Ulvestad was involved in an experiment more than a decade ago in which a NASA communications satellite, TDRSS, was used to test the idea of doing radio astronomical imaging by combining data from space and ground radio telescopes.

Building on past observations of the white dwarf called SDSSJ1043 +0855 (the dead core of a star that originally was a few times the mass of the Sun), which has been known to be gobbling up rocky material in its orbit for almost a decade, the team used Keck Observatory's HIRES instrument fitted to the 10 - meter Keck I telescope as well as data from the Hubble Space Telescope to measure and characterize the material being accreted by the star.

This animation shows how the same temperature data (green) that is used to determine the long - term global surface air warming trend of 0.16 °C per decade (red) can be used inappropriately to «cherrypick» short time periods that show a cooling trend simply because the endpoints are carefully chosen and the trend is dominated by short - term noise in the data (blue steps).

In a study published today, scientists at deCODE genetics use genomic and genealogical data from across the population of Iceland over many decades to show that people who carry sequence variations linked to higher levels of education have fewer children than average...

Using about a decade of data from 1.7 million male U.S. veterans, researchers found that while too - low levels of HDL cholesterol were associated with an increased risk of death from any cause, so were high levels of HDL cholesterol.

Over the last decade, the use of vitamin D to treat and prevent illnesses has grown exponentially, and new data is constantly being published which continues to prove the effectiveness of the sunshine vitamin.

For example, contrary to expectations that Louisiana would use the definitive data it has been collecting from its value - added examination of teacher - preparation programs for over a decade, it has yet to withhold approval from any program, believing instead that programs will choose to improve on their own without the state's interference.

So if Chetty and his colleagues could identify large impacts of effective teaching using data from the 1990s, his successors will probably find even larger impacts from more accurate information gathered in the first decade of the 21st century.

Decades in the making, Florida's system stands out nationally for its use of student data to influence policy and practice.

There are three leading explanations: 1) the sample of children included in the data set used by Phillips, the Children of the National Longitudinal Survey of Youth (CNLSY), especially in the early years, may be nonrepresentative; 2) better information on students» background characteristics is available in the Early Childhood survey; and 3) blacks born into recent cohorts have made real gains relative to blacks born a decade earlier.