Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun
sampling at a lower rate than normal
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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This phenomenon, also commonly termed undersampling, typically occurs when the pixels in the digitizer are spaced too far apart compared to the high-frequency detail present in the image.
unknown title 2009
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This phenomenon, also commonly termed undersampling, typically occurs when the pixels in the digitizer are spaced too far apart compared to the high-frequency detail present in the image.
unknown title 2009
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Spatial average updates as new stations were surveyed would have also answered the "undersampling" issue that Watts is supposedly concerned about.
Steve Had a Little List EliRabett 2010
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I really think that these polls are undersampling the huge pockets of Socialism in places like Danville, Culpeper, Wytheville, and Bristol.
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For this argument to work you have either to show that the national polls are undersampling those in that age range or that those in that age range are going to come out in larger numbers than they have in the past.
Poll Suggests Hillary Winning Foreign Policy Arguments With Obama 2009
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My guess is the polls are drastically undersampling two significant groups of people -- younger, college-aged voters who don't have land lines and independent cross-over folks who haven't voted before or in a long time and thus don't make the radar as a "likely voter".
Obama Outspending Hillary 4-1 On Ads In Madison and Milwaukee 2009
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Wang, Briffa, Mann, and all their derivative research has been largely discredited for falsifying records, undersampling and concealing data, and just bad math, respectively.
The Volokh Conspiracy » SuperFreakonomic War of Words Over Warming 2009
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Oversampling and undersampling can compromise accuracy of polling data.
Celeste Whiting: Placing Michigan's 'Uncommitted' Votes In Context 2008
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Meanwhile, undersampling of young people because of landline biasing likely skews results towards the Republicans.
Can they do a poll to learn what kind of people hang up on pollsters? Ann Althouse 2008
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This discrepancy probably results from undersampling (and general lack of knowledge) of habitat throughout the pitta's range.
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