Sentences with phrase «systematic sampling errors»
What is unclear is whether that abundance reflects the frequency with which co-option occurs in nature or whether it is the result of ascertainment bias (systematic sampling errors introduced by how biologists study evo - devo).
https://www.scientificamerican.com/ Not exact matches
We assess both random and systematic sources of error and include a discussion of sample selection for giants in the Kepler fields.
Indeed, globally averaged systematic observation biases, sampling array issues and steric changes below 1500m depth together are smaller than the error of SLRES.
On the contrary, they introduce the (2006) chronology as having been constructed to illustrate a statistical tradeoff between random sampling error and systematic error:
In many statistical applications, there is a balance between minimising random sampling error and minimising systematic error (i.e. a trade - off between variance and bias).
Errors in these adjustments can be large and could well be systematic, meaning they don't average out with multiple samples.
As an example sampling the Southern oceans must happen in essentially same areas and using methods with errors that don't move in either direction systematically, but as long as there are no such systematic trends the results are not particularly sensitive to errors of individual measurements.
Both systematic and random errors are of concern, the former particularly, because of the changes in technology and sampling methods over the many decades, the latter from the very great spatial and temporal variability implied by Figs. 2, 6, and 8.
Both systematic and random errors are of concern, the former particularly, because of the changes in technology and sampling methods over the many decades, the latter from the very great spatial and temporal variability.
In so doing, such REPLICATION also tests for systematic errors and sample dependence, yielding a much more robust verification than mere «auditing» or repetition.
It is difficult to assign error bars to all of the terms because structural errors are the main ones of importance; these arise from systematic sampling and instrumental errors for example.