DVRA - What does DVRA stand for? The Free Dictionary
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The variation among ponds in colonization curves precluded statistical comparison by dummy-variable regression analysis (DVRA) or analysis of covariance, which require a common model for all curves.
Species accrual (cumulative species richness) was analyzed by DVRA: curves were significantly different among ponds (P [is less than] 0.001) and ponds differed in estimates of both species accrual rates and numbers accrued (Table 5).