Sentences with phrase «small number of proxy»

Of the other two reconstructions, one (Jones et al., 1998) was based on a much smaller number of proxies, whereas the other (Briffa et al., 2001) was based solely on tree ring density series from an expansive area of the extratropics, but reached back only to AD 1400.

Not exact matches

The small but growing number of shareholder votes on diversity proposals is on pace to match or exceed the record set last year, according to data compiled by ISS Analytics, which tracks proxies.

In response, USDA Chief Scientist Catherine Woteki told GAO that it would be «physically and fiscally impossible» to track the roughly 4000 North American species of wild and native bees But she said it would be «informative» to monitor a smaller number of «sentinel species,» each of which could serve as a proxy for multiple bee species.

In Now a baker's dozen in North Dakota, footnoted.org's Michelle Leder tracks the small, but growing number of companies whose shareholders are requesting via the annual proxy process t...

In Now a baker's dozen in North Dakota, footnoted.org's Michelle Leder tracks the small, but growing number of companies whose shareholders are requesting via the annual proxy process that their companies relocate to North Dakota:

The IPCC range, on the other hand, encompasses the overall uncertainty across a very large number of studies, using different methods all with their own potential biases and problems (e.g., resulting from biases in proxy data used as constraints on past temperature changes, etc.) There is a number of single studies on climate sensitivity that have statistical uncertainties as small as Cox et al., yet different best estimates — some higher than the classic 3 °C, some lower.

The average is calculated from this small and diminishing number of proxies.

My concern about the Marcott et al paper is that the use of a relatively small number of paleo proxies (each capable of only providing localised information) implies that any inference for global trends is based on very low resolution data, both spatially and temporally.

I suspect that the Lasso is picking a very small number of the best proxies, and picking a slightly larger number of noise series.

GDP growth was used as a proxy for increases in the number and value of properties insured, and the period of 10 years was selected to illustrate in a simple way how a relatively small annual growth rates (say from 2.5 to 6 %) compound over time.

In fact, both are relevant and should be taken into account unless we are dealing with only a relatively small number of well - distributed, equal variance proxies.

The basic idea behind principal component regression is to replace the predictors (i.e., individual proxies) with a smaller number of objectively determined variables that are linear combinations of the original proxies.

If this component is used by itself or in conjunction with a small number of unaffected components to perform reconstruction, the resulting temperature reconstruction may exhibit a trend, even though the individual proxies do not.