While difficult to analyse, polysomic variation may in fact provide evidence of hybridization.
Part of this variation could in fact be at the patient level since a patient can have several visits, however, as the residuals at the patient level were not normally distributed we excluded this level from the analysis.
As the accompanying chart illustrates, there are a dizzying number of paths that terrorists could use to transport a foreign-built weapon to an American target city — 132 variations, in fact, taking into consideration all four likely modes of transport: commercial airplane, cargo airplane, container ship and cruise ship.
Here Darwin is noting that, though to speak of 'chance variations' may seem to be citing chance as the cause of the variations, in fact it is simply acknowledging that they 'appear to have no assignable cause'.
Furthermore, few studies have addressed whether practice variations, in fact, lead to outcome variations.
By fitting models with and without a dynamic seasonal variation component, we were able to assess whether the seasonal variation was in fact dynamic in terms of AIC.
Variation is in fact such a fundamental concept that generally in the literature it is taken as an undefined term, as does Moore (1990).
Given that it was both critical to his theory of natural selection and directly counter to much contemporary thinking, it should not be surprising that Darwin (1859) expended considerable effort in attempting to establish that variation is, in fact, ubiquitous.
This talk seeks to a) demonstrate that these two sources of variation are in fact interrelated, and that any analysis of one without the other is necessarily incomplete; and b) propose a new constraint-based analysis in which the phonology is crucially conditioned by phonetic factors.
Such variation may in fact mask any true preferences, negating the value of the research.
Intrapopulation variation might, in fact, exceed divergence between species [ 61], which has been demonstrated in well-sampled groups with reliable independent datasets for species delineation such as karyology [ 13].
