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- W4249771808 abstract "Abstract Generalized linear modeling techniques and resistant fitting methods were used to analyze the results of two experiments to test for density-dependent viability selection on chromosomal variants in Drosophila pseudoobscura fruit flies. In the framework of the generalized linear model, a series of nested hypotheses were fitted by the maximum likelihood method. The hypotheses describe how the viabilities of two genotypes, relative to a third, varied with density and other factors. An additional analysis of the absolute viabilities of the three genotypes was also performed by the maximum likelihood method; estimates were computed by the EM algorithm. Resistant methods of fitting were then performed for the best-fitting relative viability models. The analyses confirm that the relative viability of one genotype increased linearly with density (with slope and intercept ). Viability differences between genotypes can thus be explained by variation in density." @default.
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- W4249771808 date "1989-09-01" @default.
- W4249771808 modified "2023-10-14" @default.
- W4249771808 title "An Analysis of Density-Dependent Viability Selection" @default.
- W4249771808 doi "https://doi.org/10.2307/2289646" @default.
- W4249771808 hasPublicationYear "1989" @default.
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