| 21. | Durbin's h-test ( see below ) or likelihood ratio tests, that are valid in large samples, should be used.
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| 22. | The tenability of each model can be tested statistically by using a likelihood ratio test or other indices of fit.
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| 23. | Many standard tests for divergence and convergence, most notably including the ratio test and the root test, demonstrate absolute convergence.
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| 24. | It may be cumbersome to try to apply the ratio test to find the radius of convergence of this series.
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| 25. | As seen in the previous example, the ratio test may be inconclusive when the limit of the ratio is 1.
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| 26. | With series, the purpose of the ratio test is to determine convergence ( or divergence ) of a given series.
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| 27. | In particular, the likelihood-ratio test is valid only for nested models, whereas AIC ( and AICc ) has no such restriction.
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| 28. | One main test that is performed on amniotic fluid is the L / S ratio test ( lecithin / sphigomyelin ).
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| 29. | Further, it can be used in a hypothesis test for whether evolutionary rates are constant ( by using likelihood ratio tests ).
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| 30. | This illustrates that when " L " = 1, the series may converge or diverge and hence the original ratio test is inconclusive.
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