Sentences with phrase «great statistical uncertainty»

The Pacific Walrus is now believed to have recovered fully to its historic population of about 200,000, but surveys have been limited and therefore carry great statistical uncertainty.

Not exact matches

There is currently no consensus on the optimal way to divide computer resources among finer numerical grids, which allow for better simulations; greater numbers of ensemble members, which allow for better statistical estimates of uncertainty; and inclusion of a more complete set of processes (e.g., carbon feedbacks, atmospheric chemistry interactions).
Given the statistical uncertainty in determining pre-1800s temperatures (see graph below) that requires greater than 50 % of the warming be attributed to anthropogenic factors.
Statistical analysis by Lewandowsky et al. finds that, contrary to our intuition, «increasing uncertainty is necessarily associated with greater expected damages from warming, provided the function relating warming to damages is convex.»
There is a great deal of uncertainty and ambiguity in this «statistical correlation» based analysis approach.
Ditto, Lewandowsky's earlier claim that «uncertainty is not your friend» and that «all other things being equal, greater uncertainty means that things could be worse than we thought» (amongst other statements) «arise from simple mathematics», in fact «arose» out of simple wordplay after the abuse of statistical methods.
The implication in employing these methods is that in this particular region, the uncertainty from methodology (not included in statistical uncertainty by variance) is somewhat greater than elsewhere in the reconstruction.
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