Sentence examples for a true absence from inspiring English sources

To address the issue of false absences, we present a method to estimate the probability that all species have been listed (and thus that a species' absence from the list represents a true absence), using the species-accumulation curve.

Nor do they distinguish between a true absence from a committee or floor session, and a momentary stepping out to confer with staff, attend to official matters of significant importance, or even to present a bill before a different committee.

The observation of a common stress response only after 48 hours of development could be explained either by a true absence, or a failure to detect differential regulation in the 24 hour samples.

One possibility is underdiagnosis or misdiagnosis, rather than a true absence of the disease (11 ).

For patient characteristics not associated with the outcome, the small sample size precludes conclusions about a true absence of association.

However, a true absence of effect of latitude on 25-hydroxy vitamin-D levels in this population cannot be excluded.

An 'absence' state can be optimized as a plesiomorphy (true absence), a homoplasy (independent secondary losses which appeared through convergent evolution) or a synapomorphy (unique secondary loss shared by a single clade) [97].

Whether absence from a genome assembly reflects true absence, or incompleteness of the assembly, presents a further problem of some seriousness [ 68].

Only Dsl1 is retained in C. elegans, a taxon closely related to the query H. sapiens sequence and with a reliable database implying true absence of the other subunits; fundamental differences in retrograde mechanisms amongst the metazoa, which have yet to be described in detail, may be indicated by this finding.

In particular, a high confidence level is needed to distinguish between the true absence of a transcript and the failure of its detection.

These largely negative results may reflect inadequate vitamin D dosing, small sample sizes, or the true absence of an association.