Sentences with phrase «using synthetic data»

[1] The provision of more detailed information than was given in BC17, and in particular the results of testing using synthetic data, is welcome.
Scientists are working their hardest to create the most accurate possible record of global temperatures, and use a number of methods including tests using synthetic data, side - by - side comparisons of different instruments, and analysis from multiple independent groups to ensure that their results are robust.
deciding which method to use should be done with a systematic study using synthetic data.
Show that the method works to recover a signal using synthetic data (where the truth is known).
In these posts (here, here and here) I refer to using synthetic data before these ETFs started trading.
[1] The provision of more detailed information than was given in BC17, and in particular the results of testing using synthetic data, is welcome.
A second approach would use a synthetic data set that substitutes values for the original data set and then tests to see whether the synthetic data yield results that «are good enough» to satisfy the researcher.

Not exact matches

Beyond the numerous synthetic biology applications, Efcavitch envisions that cheaper and more rapid DNA synthesis will push innovation in nanotechnology applications, such as using DNA for biosensors and data storage.
The team used a very simplified model, and their approach relied on synthetic data.
They then used synthetic satellite data, on how the volcano's exterior ground deformed, to inform the model over time and make predictions.
A third computer - driven approach lets the team simulate the process of genetic evolution over millions of generations using synthetic biological data to deduce the rules of evolution, and to identify genes that may be important for adaptation.
«Right now, we lack the data needed to assess the ecological impacts of most of the synthetic chemicals in use today.
Using data from Global Positioning System (GPS) stations and Interferometric Synthetic Aperture Radar (InSAR) images collected during successive satellite fly - overs, ASU researchers were able to measure changes in surface elevation during a time period spanning the main Gorkha event, and several major aftershocks, with centimeter accuracy.
The consortium will oversee the development and delivery of the cameras, and take the lead in supporting the UK solar physics community in their use of DKIST by providing a set of processing tools for DKIST data, synthetic observations to validate diagnostic approaches, and support for developing observing proposals.
The UC Berkeley team used 19 years of satellite data to map ground deformation using interferometric synthetic aperture radar (InSAR) and measure creep along the southern end of the Hayward Fault, and found, surprisingly, that the creep didn't stop south of Fremont, the presumed southern end of the fault, but continued as far as the Calaveras Fault.
To project that trend forward, the team then used models recently developed to analyze Antarctic ice sheet collapse, plus large global data sets to tailor specific Atlantic tropical cyclone data and create «synthetic» storms to simulate future weather patterns.
But Avouac, Ampuero, and their colleagues used satellite Synthetic Aperture Radar data and a technique called back projection that takes advantage of the dense arrays of seismic stations in the United States, Europe, and Australia to track the progression of the earthquake, and found that it was quite contained at depth.
While national data for environmental performance is limited and difficult to quantify, the research team were able to plot investment in two key agri - environment schemes, land «retirement» for conservation and limiting fertiliser use, against national trends for farmland bird populations and emissions from synthetic fertiliser across landmasses including the US, Canada, Australia and Europe.
The study, «Synthetic Cannabinoid Use in a Nationally Representative Sample of US High School Seniors,» used data from Monitoring the Future (MTF), a nationwide ongoing annual study of the behaviors, attitudes, and values of American secondary school students.
Finnish Meteorological Institute has been doing estimates of two essential sea ice parameters — namely, sea ice concentration (SIC) and sea ice thickness (SIT)-- for the Bohai Sea using a combination of a thermodynamic sea ice model and Earth observation (EO) data from synthetic aperture radar (SAR) and microwave radiometer.
These include using the same model used to detect the planet instead to fit synthetic, planet - free data (with realistic covariance properties, and time sampling identical to the real data), and checking whether the «planet» is still detected; comparing the strength of the planetary signal with similar Keplerian signals injected into the original observations; performing Bayesian model comparisons between planet and no - planet models; and checking how robust the planetary signal is to datapoints being removed from the observations.
These data identify genes that are essential for colorectal cancer cell survival as well as synthetic lethal treatment combinations using novel computational approaches.
(20)(56)(57) The WHI Culprit was the Synthetic Progestin (an altered form of Progesterone) Back to the first arm of the WHI which used Prempro, it is clear from the data that the culprit which caused breast cancer and heart disease was Provera ™, a synthetic monsterSynthetic Progestin (an altered form of Progesterone) Back to the first arm of the WHI which used Prempro, it is clear from the data that the culprit which caused breast cancer and heart disease was Provera ™, a synthetic monstersynthetic monster hormone.
Bioidentical Hormone Debate Safer More Efficacious Than Synthetic Kent Holtorf Postgraduate Medicine 2009 The Bioidentical Hormone Debate: Are Bioidentical Hormones (Estradiol, Estriol, and Progesterone) Safer or More Efficacious than Commonly Used Synthetic Versions in Hormone Replacement Therapy?Kent Holtorf, MD Conclusion: Physiological data and clinical outcomes demonstrate that bioidentical hormones are associated with lower risks, including the risk of breast cancer and cardiovascular disease, and are more efficacious than their synthetic and animalderived counSynthetic Kent Holtorf Postgraduate Medicine 2009 The Bioidentical Hormone Debate: Are Bioidentical Hormones (Estradiol, Estriol, and Progesterone) Safer or More Efficacious than Commonly Used Synthetic Versions in Hormone Replacement Therapy?Kent Holtorf, MD Conclusion: Physiological data and clinical outcomes demonstrate that bioidentical hormones are associated with lower risks, including the risk of breast cancer and cardiovascular disease, and are more efficacious than their synthetic and animalderived counSynthetic Versions in Hormone Replacement Therapy?Kent Holtorf, MD Conclusion: Physiological data and clinical outcomes demonstrate that bioidentical hormones are associated with lower risks, including the risk of breast cancer and cardiovascular disease, and are more efficacious than their synthetic and animalderived counsynthetic and animalderived counterparts.
She explores these issues using unique national public opinion data, spatial analysis (GIS), and synthetic control methodologies.
Tinkerer Joe Bowers used ambient light sensors to detect the bright colored notes, which send data to an Arduino that tells a series of servos / synthetic fingers to tap the system's touchscreen.
An analysis using synthetic proxy data with spatial sampling density and proxy signal - to - noise ratios equivalent to those of the D'Arrigo et al (2006) tree - ring network suggest that these discrepancies can not be explained in terms of either the spatial sampling / extent or the intrinsic «noisiness» of the network of proxy records.
[Response: Following up Gavin's comment, it has indeed already been shown — based on experiments with synthetic proxy data derived from a long climate model simulation (see Figure 5 herein)-- that the calibration method used by Moberg et al is prone to artificially inflating low - frequency variability.
That graph uses his methodology on synthetic data.
Additional work is needed to confirm whether the fields produced are overly smooth or not both by using tests with synthetic data and by comparing the results to the spatial characteristics of high - resolution GCM field.»
There is as much synthetic data created by models that is then used as real data in another model.
So I created synthetic series using an ARIMA (3,1,0) model with the initial values constrained to match the first three values of GISStemp and the coefficients and standard deviation of the noise term derived from a an ARIMA (3,1,0) model with no drift term fit to the 1880 - 2009 GISStemp data.
Although other fields have used synthetic cohort life tables to document the cumulative risk of experiencing an event, no such attempts have been made using official child maltreatment data.23 Therefore, the purpose of this study was to use synthetic cohort life tables to determine the percentage of US children confirmed as maltreated according to CPS from birth to 18 years of age.
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