Sentences with phrase «sparse data»

A t - statistic test compares the averages sparse data sets.

Today's computer chips are not optimized for sparse data — in fact, the reverse is true.

It should be noted that their estimate of uncertainty relates mostly to the spatial sampling, or sparse data coverage.

There is very sparse data below 2000 but given mixing mechanisms available, it is not expected to be large.

I wonder whether there are useful tools (for creating a PDF with sparse data points) in other areas of fluid dynamics research?

Sadique Sheik, Michael Pfeiffer, Fabio Stefanini, Giacomo Indiveri Perception of simple stimuli using sparse data from a tactile whisker array.

Sixteen - month - old infants (N = 83) rationally used sparse data about the distribution of outcomes among agents and objects to solve a fundamental inference problem: deciding whether event outcomes are due to themselves or the world.

Lots of factors make measuring global temperature a difficult task, such as sparse data in remote places, random measurement errors and changes in instrumentation over time.

First, the team tested how well this method could reconstruct modern ocean conditions, given sparse data.

It seems to me to be extraordinary to base the effect of CO2 on such sparse data especially because CO2 levels were low the effect was minimal and therefore our ability to measure accurately its effect must also be extremely inaccurate.

«However, sparse data exist on the short term potential vasoprotective effects of red wine in smoking - healthy individuals,» explained lead investigator Viktoria Schwarz, MD, of the University of Saarland, Homburg, Germany.

More sparse data even suggests a net 7-fold decrease in the overall rate of biomass accumulation (accounting for tree mortality and the growth of new trees).

One could also argue that the variability in the early part of the century in some of the other time series is too large because of the increasingly sparse data distribution as we go back in time.

Due to sparse data cover of this product in some of the European domain, the C3S satellite soil moisture product is not used for trend assessments.

I don't know how many dimensions in your PDF (space), but I found Similarity Learning for High - Dimensional Sparse Data by Kuan Liu, Aurelien Bellet, Fei Sha.

Granted, the satellites are less good at sampling right near the poles, but compared to the very sparse data from the thermometer network we are in fat city coverage-wise with the satellite data.

Other projects in the Levy lab include analysis of single - cell RNA, phylogenetic reconstruction from sparse data sets, and disentangling haplotypes from sperm and subgenomic sequence data.

The Interior Department has the tough task of setting a definitive policy based on sparse data and competing interpretations.

«There is a validated procedure for extrapolating sparse data that just deals with the station data that comes in without any regard to what the values happen to be,» Schmidt explained, adding that the process of «extrapolating» data was «automated.»

But analyzing such sparse data is tricky, says Karl - Heinz Kampert, a physicist at the University of Wuppertal in Germany and spokesman for the 500 - member Auger team.

But Turner cautions that the case for declining OH is far from closed: With different assumptions, his sparse data could just as easily chart a rise in methane emissions rather than a hydroxyl decline.

So it was much later when I went through our sparse data and tried to make an image.»

The reason for this is that it applies a statistical method to very sparse data that violate its statistical assumptions.»

The sparse data available suggest that any field that may exist is at least 5000 times weaker than the Earth's; if this is correct, Mars almost certainly does not have a hot fluid core.

Well, it is not that our eyes themselves are inaccurate... just that our brain makes stuff up based on the sparse data it gets from our eyes and then leads you down the garden path.

They called for helping countries to collect better information on disease and death and pledged to work together to produce the best estimates from the sparse data sometimes available.

More observations would further improve the results — especially for the 1990s, which has the sparsest data sets — and continue to illuminate this climatically critical region.

Within the limits of the sparse data we have, Mars has cooled over the 30 year baseline (but I'd not trust that much) and the main reason is more big storms back when.

This research area contains many opportunities for the development and fitting of sophisticated space - time models to sparse data...

Now assume that the rate of melting of those ice sheets is doubling every 5 or 10 years, as the sparse data seems to imply.

As for the geochemical data, it is based on Mg / Ca in foraminifera, alkenone unsaturation in sediments and some sparse data from other techniques such as Ca isotopes, clumped isotopes and TEX86.