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A comparison of three maximum likelihood models for stage‐frequency data
Author(s) -
Manly Bryan F. J.,
Seyb Allyson
Publication year - 1989
Publication title -
population ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 59
eISSN - 1438-390X
pISSN - 1438-3896
DOI - 10.1007/bf02513212
Subject(s) - statistics , goodness of fit , maximum likelihood , mathematics , likelihood ratio test , degrees of freedom (physics and chemistry) , restricted maximum likelihood , standard error , physics , quantum mechanics
Summary A comparison has been made between the estimates obtained from maximum likelihood estimation of gamma, inverse normal, and normal distribution models for stage‐frequency data. Results have been compared for six of sets of test data, and from many sets of simulated data. It is concluded that (1) some estimates may differ substantially between the models, (2) estimates from the correct model have little bias, and estimated standard errors are generally close to theoretical values, (3) there are problems in determining degrees of freedom for chi‐squared goodness of fit tests, so that it is best to compare test statistics with simulated distributions, and (4) goodness of fit tests may not discriminate well between the three models.

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