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A simulation study of methods for estimation and testing in mixed effects models

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University of Oslo Department of Mathematics

A simulation study of methods for

estimation and testing in mixed effects models Harald Fekjær

Cand.scient. thesis

1999

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50 100 150 200

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(24)

20

40

60

Error term 50

100 150

Random effect

0 0.2 0.4 0.6 0.8 1

Relative likelihood

Maximum likelihood solution

Likelihood function of Mississippi nitrogen level data

r',!

Š Qf

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(25)

35 40

45 50

55

Error term 20

30 40 50 60 70 80

Random effect

0 0.2 0.4 0.6 0.8 1

Relative likelihood

Likelihood function of Mississippi nitrogen level data

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