Sentences with phrase «statistical models combining»

Because these relationships can be subtle and complex, statistical models combining multiple parameters are expected to be more effective than individual monthly data at making predictions.

Not exact matches

Kogan wrote in the email that he wanted to create statistical models that could accurately identify people at risk for various diseases and illnesses by examining their Web browsing and purchase behaviors, and combine that with medical data from Harvard.

Using a statistical program (Proc MI ANALYZE in SAS, version 9.3; SAS Institute, Inc), we generated 50 complete data sets and combined multivariable modeling results for all 2128 participants in the Project Viva cohort.

Their study combines engineering epidemiology and statistical - data analytics to develop predictive models for environmentally exposed applications.

Another promising approach involves combining physics, statistical modeling and computing to derive sound projections for the future of ice sheets.

The investigators combined daily averages into two - year averages and used a statistical model to predict concentrations in areas across the United States without a monitor.

By combining 3D models of the face with a statistical algorithm that measures local changes in shape, we have been able to create detailed «face heritability maps».

Combining these statistical analyses leads to a comprehensive generative model of the rates at which seismic events of various sizes occur in various locations and the ways that energy from these events propagates to seismic sensors.

In her doctoral thesis, Henni Pulkkinen, Researcher at the Natural Resources Institute Finland (Luke), explored how the various sources of uncertainty can be taken into account in fisheries stock assessment by using Bayesian statistical models, which enable extensive combining of information.

By using a statistical technique known as Bayesian analysis — which combines probability with archaeological information to improve precision for groups of radiocarbon dates — the study authors were able to produce a high - precision chronology model for early domestic horse use in Mongolia.

The new study combined a statistical approach implemented in a unique software modeling programme called IONONEST with data from the Kilpisjärvi Atmospheric and Imaging Receiver Array (KAIRA) radio telescope in Finland, which is capable of making sensitive broadband measurements of the absorption caused to the cosmic radio background by the ionsophere.

Though most of these proteins are present in multiple root cell types, the researchers found, their statistical models and experiments in living plants suggest the combined effect is to activate the Short - root master switch in some cells but not others.

They have developed a set of tools that can be used to make accurate, rapid assessments of proposed materials, using a series of relatively simple lab tests combined with computer modeling of the physical properties of the material itself, as well as additional modeling based on a statistical method known as Bayesian inference.

My research combines the use of mathematical models and statistical methods to understand the transmission dynamics and control of a range of infectious diseases of humans and animals.

We took a routine forecast of sea surface temperatures (SSTs) for the next six months from our climate model, combined this with observed SSTs from the previous six months, and applied the statistical relationship to give us our forecast.

We combined all of the available earlier test scores into a single composite measure of quality and introduced it into statistical models that explain differences in growth rates across nations during the period 1960 to 1990.

Using ETF Replay, I am ranking the ETFs in various portfolios based on their 3 - factor statistical model that combines relative strength and volatility.

DDS: OK, who do you think is more likely to be right - thousands of experts, familiar with the data, methods and models of a field, with combined experience into millennia, actively working each day to understand and advance the field and who all agree based on the evidence — or - Some random jerkwad on the Intertubes who doesn't even know the difference between a statistical and a physical model?

Despite being beloved of statistical modellers everywhere, ARMA is actually a pretty crude model — it's just a linear autoregressive chain combined with weighted moving average white noise.

The team combined this data with meteorological models of the temperatures, winds, and movement of air masses from the same time period, and then used a statistical method known as geostatistical inverse modeling to essentially run the model backward and determine the methane's origin.

Unfortunately, the figure also confirms that the spatial resolution of theoutput from the GCMs used in the Mediterranean study is too coarse for constructing detailed regional scenarios.To develop more detailed regional scenarios, modelers can combine the GCM results with output from statistical models.3 This is done by constructing a statistical model to explain the observed temperature or precipitation at a meteorological station in terms of a range of regionally - averaged climate variables.

The method combines the results of long - term atmospheric reanalyses downscaled with a stochastic statistical method and homogenized station observations to derive the meteorological forcing needed for hydrological modeling.

Thus, we extend the VIC ensemble using a computationally efficient statistical emulation model, which approximates the combined output of the two - step process of statistical downscaling and hydrologic modeling, trained with the 23 member VIC ensemble.

Such solecisms throughout the IPCC's assessment reports (including the insertion, after the scientists had completed their final draft, of a table in which four decimal points had been right - shifted so as to multiply tenfold the observed contribution of ice - sheets and glaciers to sea - level rise), combined with a heavy reliance upon computer models unskilled even in short - term projection, with initial values of key variables unmeasurable and unknown, with advancement of multiple, untestable, non-Popper-falsifiable theories, with a quantitative assignment of unduly high statistical confidence levels to non-quantitative statements that are ineluctably subject to very large uncertainties, and, above all, with the now - prolonged failure of TS to rise as predicted (Figures 1, 2), raise questions about the reliability and hence policy - relevance of the IPCC's central projections.

Kogan wrote in the email that he wanted to create statistical models that could accurately identify people at risk for various diseases and illnesses by examining their Web browsing and purchase behaviors, and combine that with medical data from Harvard.

These models can take multiple signals as inputs and combine all weighted signals together to interpret the statistical interactions captured to identify the likelihood of an app being a PHA.

P values and 95 % CIs were obtained by using Wald tests adjusted for the survey design.26 Interactions of parenting variables with the BMI status of the corresponding parent, for all but the combined parent analyses, were investigated and only included in the final model if statistical significance was < 5 %.

We will use the OR because it has statistical advantages relating to its sampling distribution and its suitability for modelling, and because it is a relative measure and can therefore be used for the purpose of combining data across studies.