Sentences with phrase «lack precise data»

Not exact matches

With the general lack of precise, granular audience measurement data, media buying brands, agencies, and media outlets hedge their bets when it comes to advertising spend.
Bruce Lanphear, a professor for Faculty of Health Sciences at Simon Fraser University in British Columbia, said the lack of precise data presents «a huge problem.»
As the Canadian government scientists note in the Fisheries Oceanography paper: «The 2010 phenomenal run... may forever remain an enigma due to the lack of precise ecological and chemical data
However, the fact that we find very «precise zeros» — that is, we don't find statistically significant relationships even though we have the statistical power in our data to detect even very modest relationships — implies that neither measurement error nor a lack of sufficient variation are what's driving our inability to detect a relationship between teaching and research quality.
Lacking that precise data, all we can do is estimate a range, based on the evidence.
It is maddeningly difficult to track down an exact figure for the pre-industrial global temperature, partially because of a lack of precise data, partially because of politics, and partially because of the impenetrability of scientific writing.
NRT data lack the precise orbit determination of the standard data, and often lack the atmospheric corrections.
Similarly to weather forecasting, efforts can be made to setup a model to match initial conditions at a certain point in time but they are likely to break down pretty quickly because we lack the quantity and quality of data to be precise enough in the setup (and possibly because the chosen model does not accurately produce variability similar to that observed on Earth).
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