Sentences with phrase «for robust estimates»

A 16 - year study was used for robust estimates of the yield potential on organically managed crop land in southern Wisconsin as well as nitrous oxide and methane emissions and soil carbon.

The large sample allowed for robust estimates across regional, demographic and political subgroups.

Not exact matches

(Reuters)- Activision Blizzard Inc reported first - quarter profit that beat Wall Street estimates on Thursday, benefiting from robust sales for its blockbuster videogame, «Call of Duty».

Amazon.com Inc.'s sales and profit topped estimates on robust demand for quick - turnaround delivery, cloud services and gadgets like the Kindle and Echo, adding to evidence the e-commerce giant can make money even as it invests heavily in future hardware, software and entertainment.

We believe methodologies used by some other retailers are more robust — for example, Marks and Spencer uses 50 % primary data for its upstream transportation and distribution emissions estimate.

Activision Blizzard Inc reported first - quarter profit that beat Wall Street estimates on Thursday, benefiting from robust sales for its blockbuster videogame, «Call of Duty».

Once a proper cross-country data comparison reveals robust markets of healthy opportunities, managers should then repeat the same steps at the 10,000 - foot dive for intramarket estimates at the city, state or regional level.

Ignoring the stratified sampling does not affect point estimates and may have resulted in slightly overestimated standard errors.14 Robust variance estimation was used to allow for the clustered nature of the data within units and trusts.

«This robust study clearly reinforces that screening remains an effective option for detecting breast cancers, and challenges previous estimates of the number of women who are overdiagnosed as a result of breast screening.

The team used real - time seasonal rainfall, temperature and El Niño forecasts, issued at the start of the year, combined with data from active surveillance studies, in a probabilistic model of dengue epidemics to produce robust dengue risk estimates for the entire year.

There is considerable uncertainty around this estimate, but the authors say that 38 per cent is a robust minimum value for the estimate.

We therefore devised a new method for estimating the HXH / NGD - European split time (τ1) utilizing G - PhoCS results only for the modern samples and that would be robust to biases resulting from the use of ancient samples (Supplementary Note 13 and Supplementary Fig. 24).

Claudia Tebaldi, a project scientist at the National Center for Atmospheric Research, said that the researchers propose a much more robust method for evaluating the increasing volume of climate - change data coming out than experts coming up with «a ballpark estimate based on their own judgments.»

Together with a previous article in the same journal that calculated biomass export efficiency for these organisms for the first time, these new data allow robust estimates of global carbon export associated with gelatinous plankton.

It is believed that their global population may be between 4,000 and 6,500 in the wild, though there is no robust basis for these estimates [18].

We used robust design multi-season mark - recapture analysis to estimate the trends in abundance, sex ratio, survival probability and the probability of temporary emigration and immigration for adult and young snow leopards.

Weak lensing cosmology will be challenging: in addition to highly accurate galaxy shape measurements, statistically robust and accurate photometric redshift (photo - z) estimates for billions of faint galaxies will... ▽ More A key goal of the Stage IV dark energy experiments Euclid, LSST and WFIRST is to measure the growth of structure with cosmic time from weak lensing analysis over large regions of the sky.

However, these data were adequate to provide a robust estimate of usual intake of added sugar.31, 34 For later NHANES years, more than 88 % of the participants provided a second 24 - hour recall.

Estimating a standard skill production function, we demonstrate a robust positive relationship between university education and extraversion, and agreeableness for students from disadvantaged backgrounds.

Total combined output for the Optima Hybrid is estimated at a robust 193 horsepower at 6,000 rpm.

The engine is good for 254 hp and a robust 443 lb - ft of torque, while fuel economy comes in at an impressive EPA - estimated 29 mpg highway and 22 mpg city.

As you will soon see, our data is robust enough that even wildly varying estimates for this rate do not appreciably affect our results.

The company has carried out detailed LE estimates on 65 % of its policies, (which would be the larger ones — it is worth emphasizing that these LE estimates are costly because they are done policy - by - policy based on detailed records for the individual insured), their LE estimate should be fairly robust.

A look at a simple, robust framework for estimating long - term asset - class forecasts, and its underlying assumptions, offers insights as to how asset managers can build a portfolio to meet investors» future financial needs.

And how robust is that $ 947 production cost per oz estimate anyway — it doesn't offer a great deal of margin for error.

Although there is still some disagreement in the preliminary results (eg the description of polar ice caps), a lot of things appear to be quite robust as the climate models for instance indicate consistent patterns of surface warming and rainfall trends: the models tend to agree on a stronger warming in the Arctic and stronger precipitation changes in the Topics (see crude examples for the SRES A1b scenarios given in Figures 1 & 2; Note, the degrees of freedom varies with latitude, so that the uncertainty of these estimates are greater near the poles).

This issue led Keith Briffa and colleagues to re-introduce some time ago a method known as regional curve standardization (RCS), that attempts to solve this problem by fitting curves to some larger collection of ring series, thereby producing a more robust estimate of the ring response expected for a given tree age.

It is also robust to the use of different climate models, different methods for estimating the responses to external forcing and variations in the analysis technique.

«Trend estimates from the SOS [Start of Spring] methods as well as measured and modeled plant phenologystrongly suggest either no or very geographically limited trends towards earlier spring arrival, although we caution that, for an event such as SOS with high interannual variability, a 25 - year SOS record is short for detecting robust trends.»

For example, while estimates concerning central tendencies of distributions of simulation outcomes are usually fairly robust because they are conditioned on ample data, estimates concerning the tails of distributions (such as the probability of falling below a critical biomass) are usually conditional on few data and thus often rely on assumptions that have no strong knowledge base.

The elasticity estimates are most robust for the southeastern United States, while results for the Midwest and Texas are relatively insignificant.

With Aurora's Consumption Profile tool, you can easily develop an estimated load profile or upload Green Button Data for commercial clients, and know that the estimate reflects robust data on load profile trends.

The world's best site for tidal power, the Pentland firth, could provide half of Scotland «s electricity, according to the first robust estimate of its potential.

While the historical performance of ocean models can be benchmarked against global inventories of ocean carbon, only recently have equivalently robust global estimates been developed for some components of land carbon storage (Saatchi et al 2011) and soils, the largest reservoir, remains very sparsely sampled.

The «best estimate», which is the current focus of much scientific research, is less meaningful for robust decision making strategies than it is for optimal decision making.

Calculation of SI provides a robust method for estimating CO2 levels on short (24) and geologically long time scales (25, 26).

This calls for robust statistical inference for giving credible constraint estimates that should be shared across studies.

Only the most robust findings, i.e., estimates of the mean carbon balance for three latitude bands averaged over the two time periods, are shown.

As estimates of the greenhouse gas attributable change in rainfall risk may depend on the model datasets considered, it is also useful to consider model outputs from several datasets and using various estimates of counterfactual surface conditions to establish robust attribution statements for extreme rainfall events.

The global methane emissions estimates included in this report, while more detailed and robust than anything currently available, are limited by the lack of credible, up - to - date estimates for most countries.

They vary widely based on geography and on the financial return requirements of investors, and do not allow for robust single - point estimates.

As similar results were obtained with various subsets of the data (first and second halves of the time series; data for Northern and Southern Hemispheres, Figure 6) and for the de-seasonalized monthly data, Figure 7, this estimate of the time constant would appear to be robust.

«Here we argue for the adoption of measures to optimize key elements of the scientific process: methods, reporting and dissemination, reproducibility, evaluation and incentives... one analysis estimates that 85 % of biomedical research efforts are wasted, while 90 % of respondents to a recent survey in Nature agreed that there is a «reproducibility crisis»»...» The key to fostering a robust metascience that evaluates and improves practices is that the stakeholders of science must not embrace the status quo, but instead pursue self - examination continuously for improvement and self - correction of the scientific process itself.

In Australia there are robust administrative data linkage methodologies, some longstanding and well established, that are currently being assessed for their potential to use AEDI data to prospectively estimate the human development benefits of early childhood opportunities, environments and services on later life course outcomes.

Robust variance (sandwich - type) estimates were used to adjust the standard errors of the parameter estimates for the stratified design effects.

We used generalized linear models with robust variance estimates to account for within - clinic clustering effects.

Unexplained heterogeneity or inconsistency of results: we will look for robust explanations for heterogeneity in studies that yield widely differing estimates of effect.

Both were addressed through multi-level modelling, which controlled for pretest differences (and other potential confounders over time) and provided robust maximum likelihood estimates of missing data.

To account for the dependence between outcomes in estimating the variances, robust variance estimates were used for the estimated parameters.

Maximum Likely Robust estimation (MLR) was used, as MLR gives the most accurate estimate of chi - squares when the distribution of scores deviates from a normal distribution (Satorra and Bentler 1994), which turned out to be the case for scores on our identity formation measure.