Sentences with phrase «models estimated mean»

[10] Weighting models by the likelihood of the observed TLC reflection — SST relationship at the model's best estimate (mean) of it, widening the observational uncertainty to allow for the average uncertainty of the model estimate means, is a more reasonable approach.

Not exact matches

This news release contains forward - looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and Canadian securities laws, including statements regarding: BlackBerry's expectations regarding new product initiatives and timing, including the BlackBerry 10 platform; BlackBerry's plans and expectations regarding new service offerings, and assumptions regarding its service revenue model; BlackBerry's plans, strategies and objectives, and the anticipated opportunities and challenges in fiscal 2014; anticipated demand for, and BlackBerry's plans and expectations relating to, programs to drive sell - through of the company's BlackBerry 10 smartphones; BlackBerry's expectations regarding financial results for the second quarter of fiscal 2014; BlackBerry's expectations with respect to the sufficiency of its financial resources; BlackBerry's ongoing efforts to streamline its operations and its expectations relating to the benefits of its Cost Optimization and Resource Efficiency («CORE») program and similar strategies; BlackBerry's plans and expectations regarding marketing and promotional programs; and BlackBerry's estimates of purchase obligations and other contractual commitments.
This news release contains forward - looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and Canadian securities laws, including statements regarding: BlackBerry's expectations regarding new product initiatives and timing, including the BlackBerry 10 platform; BlackBerry's plans and expectations regarding new service offerings, and assumptions regarding its service revenue model; BlackBerry's plans, strategies and objectives, and the anticipated opportunities and challenges in fiscal 2014; anticipated demand for, and BlackBerry's plans and expectations relating to, programs to drive sell - through of the Company's BlackBerry 7 and 10 smartphones and BlackBerry PlayBook tablets; BlackBerry's expectations regarding financial results for the second quarter of fiscal 2014; BlackBerry's expectations with respect to the sufficiency of its financial resources; BlackBerry's ongoing efforts to streamline its operations and its expectations relating to the benefits of its Cost Optimization and Resource Efficiency («CORE») program and similar strategies; BlackBerry's plans and expectations regarding marketing and promotional programs; and BlackBerry's estimates of purchase obligations and other contractual commitments.
Construction methods include equal weighting, two versions of minimum volatility, three versions of mean - variance optimization, eight versions of reward - to - risk timing (six of which involve factor models) and a characteristic - based scheme that each year estimates stock weights based on market capitalization, book - to - market ratio, gross profitability, investment, short - term reversal and momentum.
This means that climate models that include microorganisms to estimate future climate change must be reconsidered.
Other researchers have used computer models to estimate what an event similar to a Maunder Minimum, if it were to occur in coming decades, might mean for our current climate, which is now rapidly warming.
The ~ 6 - million - km2 Amazonian lowlands were divided into 1 ° cells, and mean tree density was estimated for each cell by using a loess regression model that included no environmental data but had its basis exclusively in the geographic location of tree plots.
Early tests of the model showed that it was able to estimate pain levels with about 80 % degree of accuracy, which means that the system is learning.
Then, the researcher used a mathematical model to translate the quantile estimates into mean and standard deviation of yield.
To examine this question, we preregistered a series of analyses using Multiple Indicator Multiple Causes (MIMIC) models (Jöreskog & Goldberger, 1975; Kievit et al., 2012) to relate the mean and slope estimates for fluid intelligence to the various brain measures, and asked:
Regional climate model bias correction improved the estimates on changes to future mean runoff
The kinder, gentler model from the Hadley Centre for Climate Prediction and Research in the United Kingdom estimated a wetter, warmer future: Rainfall may increase 20 percent to 25 percent, mean annual temperatures could increase 2 degrees Fahrenheit by 2030 and 4 degrees by 2100.
Longitudinal mixed models were also used to estimate the effect of vaccine dose on mean log - transformed antibody levels over time, using a spatial exponential covariance structure to model the correlation between measurements from the same individual while taking into account the number of study days between measurements.
For example, if someone publishes a paper with a simplified model that assumes no feedbacks giving a mean ECS at 1.2 K, this will not push the combined estimate downwards (regardless of what will be written on the «skeptic» blogs...).
Jackknife estimation of abundance using the heterogeneity models [25] showed that the estimated mean adult population ranged from 12 (95 % CI = 11 — 19) to 14 (95 % CI = 14 — 21) during the four years (Table 1).
It seems about 500 ppm CO2 could eventually mean an ice free planet, much lower than the circa 1000 ppm that ice sheet models seem to estimate.
Today's real cool fact of the day is that holistic medicine is used by about half the world's population and that the WHO, the World Health Organization, which is not a friend of alternative medicine or quite often stuff that works, other then very basic sanitary measures, but they're estimating that between 65 - 80 % of the world's population uses what they call alternative medicine as their primary from of healthcare compared to only 10 - 30 % of people who use conventional medicine, which actually means that since the vast majority of people use alternative medicine that's conventional medicine, and what they call conventional medicine is actually a radical alternative, if only 10 % of the world is using the burn and poison model of medicine, which is the one that's quite often promoted that way.
«Researchers reanalyzed the LA Times data and came up with different results, and I analyzed the NYC data, and even though NYC uses a pretty rich value - added model that controls for lots of stuff, eliminating much of the bias, that means you're left with relatively noisy estimates, that jump around a lot from year to year.»
We analyzed data using the LISREL 8.80 analysis of covariance structure approach to path analysis and maximum likelihood estimates.42 We used four goodness - of - fit statistics to assess the fit of our path model with the data: the Root Mean Square Error of Approximation test (RMSEA), the Norm - fit index (NFI), the adjusted Goodness of Fit index (GFI) and the mean Root Mean Square Residual (RMR).
Available in blue, white, and black, the model is estimated to hit 62 mph in 4.5 seconds, which means it should be about on par with its rival.
«We have dropped a full test - weight category,» Downey says, which means the ’19 model will see a fuel economy increase in the EPA estimates.
This new model's high - tech powertrain is meant to give the Sonata Eco a slight boost in fuel economy numbers, to an estimated 28/38/32 mpg (city / highway / combined) rating.
The 1997 Metro averages 44 miles per gallon in the city and 49 on the highway, according to EPA estimates in the Model Year 1997 Fuel Economy Guide, which means it's sipping gas through a baby straw.
I've estimated a number of mean - reverting models in my time.
For what it's worth, I haven't specifically checked for the effect of non-linearities on the underlying trend (as estimated based on the model mean) on the liberality of the test on the tropospheric trend presented in the test reported in Table III in Santer et al..
The graphs compare the global mean temperature estimated by the models with that estimated from the data.
The estimated uptake timescales are within the range he reports for his data - driven calculation, 50 years or so, even though the mean uptake time of the ocean reservoirs in that model, weighted by their sizes, is 600 years.
[Response: There are a couple of issues here — first, the number of ensemble members for each model is not the same and since each additional ensemble member is not independent (they have basically the same climatological mean), you have to be very careful with estimating true degrees of freedom.
Since the sensitivity estimates using the Otto et al method in the model world are biased low, using the estimated efficacies in the real world means that the sensitivities from the adjusted methodologies are going to be increased, and indeed that's exactly what happens.
Mean temperature, mean monthly precipitation, frequency of hot / cold days / nights, and indices of extreme precipitation are all estimated for each country based on observed and modeled data.
Estimates of the mean trend are obtained for each family of models (i.e. a set of models coming from the same model team) and at the same time an estimate of the relationship between GSMT and trend is also obtained.
It seems about 500 ppm CO2 could eventually mean an ice free planet, much lower than the circa 1000 ppm that ice sheet models seem to estimate.
«Researchers (17, 18) estimated mean and SD of feedback factors calculated from two different suites of climate models.
Kauker et al. (AWI / OASys), 5.58 (+ / - 0.41), Modeling (same as June) We estimate a monthly mean September sea - ice extent of 5.67 ± 0.40 million km2 (without assimilation of sea - ice / ocean observations).
The mean of the sample of realizations is an unbiased estimate of the mean of the population of possible realizations of the model.
But more to the point, the decade estimate would mean that we would expect some significant reassessment of the models after THIS YEAR, 2008!!
The GRACE estimates for Antarctica used in that study were not our own and were based on a mean of W12a and an alternative new GIA model.
By comparing modelled and observed changes in such indices, which include the global mean surface temperature, the land - ocean temperature contrast, the temperature contrast between the NH and SH, the mean magnitude of the annual cycle in temperature over land and the mean meridional temperature gradient in the NH mid-latitudes, Braganza et al. (2004) estimate that anthropogenic forcing accounts for almost all of the warming observed between 1946 and 1995 whereas warming between 1896 and 1945 is explained by a combination of anthropogenic and natural forcing and internal variability.
They are left with 0.7 mm / yr of their observed 1.8 mm / yr budget unexplained (clearly this means they don't say anything like «half ice half warming»), which they suggest could be partially closed by terrestrial storage changes though that would be beyond the range of their forward modelling estimates.
The FAR used simple global climate models to estimate changes in the global mean surface air temperature under various CO2 emissions scenarios.
While the resulting ECS as predicted by the models will still be within the previously estimated range, it appears that the mean ECS estimate will now be closer to the lower end of this range.
It is that, in all likelihood, the model - based mean ECS estimate of 3.2 C, as used by IPCC in the past, is exaggerated by a factor of 2 (to 1.6 - 1.7 C instead).
Since it is impossible to know which elements, if any, of these models are correct, we used an average of all 13 scenarios to approximate growth rates for the various energy types as a means to estimate trends to 2040 indicative of hypothetical 2oC pathways.
Dr Curry, the mean model surface temperature trend estimate is ~ 0.20 C / decade compared to Cowtan and Way ~ +0.17 C or GISS ~ +0.16 C (both attempting improved Arctic representation).
While the models get the warming just about right for the current concentrations of CO2, the fact that they tend to have lower estimates of historical emissions means that the carbon budgets based on the relationship between cumulative CO2 emissions and warming tend to be on the low side.
«When initialized with states close to the observations, models «drift» towards their imperfect climatology (an estimate of the mean climate), leading to biases in the simulations that depend on the forecast time.
All calculations (i.e. here or here) using the regression method - observed GMST vs. the total forcings - come to TCR estimates which are well below the mean of the CMIP5 models of 1.8 K / doubling CO2.
Recall that my comment was meant to point out that one can estimate a sensitivity of temperature to CO2 without recourse to models.
First with your approach you do end up effectively having to estimate the temperature function across the globe, and this really means building a stochastic global temperature model (and deciding how linear it is etc etc).
We estimate the low - frequency internal variability of Northern Hemisphere (NH) mean temperature using observed temperature variations, which include both forced and internal variability components, and several alternative model simulations of the (natural + anthropogenic) forced component alone.
a b c d e f g h i j k l m n o p q r s t u v w x y z