نتایج جستجو برای: parsimony maximum
تعداد نتایج: 296464 فیلتر نتایج به سال:
This paper investigates four salient characteristics of IS-success models that are largely ignored in prior literature. Using data gathered from 600 responses, this study establishes the importance of (1) completeness of the model dimensions and measures, (2) mutual exclusivity of the model dimensions and measures, (3) model parsimony, and the (4) additivity of the model dimensions to yield an ...
Late Ordovician strata within the Cincinnati Basin record a mass faunal migration event during the C4 and C5 depositional sequences. The geographic source region for the invaders and the paleoceanographic conditions that facilitated dispersal into the Cincinnati Basin has previously been poorly understood. Using Parsimony Analysis of Endemicity, biogeographic relationships among Laurentian and ...
Finding the best phylogenetic tree under the maximum parsimony optimality criterion is computationally difficult. We quantify the occurrence of such optima for well-behaved sets of data. When nearest neighbor interchange operations are used, multiple local optima can occur even for "perfect" sequence data, which results in hill-climbing searches that never reach a global optimum. In contrast, w...
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