Sentence examples for are sometimes unknown from inspiring English sources

Furthermore, direction, strengths and signs of the links are sometimes unknown or simply overlooked.

Knight [ 20] recognized that probability distributions are sometimes unknown and that severe uncertainty may be non-probabilistic.

Nevertheless maternal GBS status is sometimes unknown at labour.

Furthermore, it is sometimes unknown what to expect, or the starting hypothesis is incorrect.

Since the transition probabilities in a Markov chain are sometimes partially unknown, we propose a method of estimating the delay for the next sampling time instant.

The basis for why they are sometimes present remains unknown but may be related to immune reactivity to endogenous PH20, a GPI-anchored hyaluronidase normally present on the apical head of male sperm (4, 5).

However, the observations (mathbf {y}in mathbb {R}^{N times 1}) are sometimes also influenced by unknown linear nuisance parameters, denoted by (mathbf {u} in mathbb {R}^{M times 1}) which enter y through the linear transformation (mathbf {G} in mathbb {R}^{N times M}) (N>M).

The most common vectors have been studied in detail, but the sylvatic patterns are sometimes puzzling, suggesting some unknown mode of long-range dispersal or an unrecognized mode of persistence in the environment.

Diagnosis of nodules and lumps is further complicated by the fact that clinicians are sometimes faced with patients with unknown or incomplete medical and cosmetic treatment history.

#Codes for other and unspecified noninfectious gastroenteritis and colitis were included because infectious illnesses of unknown etiology are sometimes coded as noninfectious.

When investigators detect VTG in reference or control males, the findings are often labeled "unexpected" and are sometimes attributed to a prior, unknown exposure to an estrogenic substance (Denslow et al. 2004).