Refer to Table 13.6. Fit a loglinear model with a dummy variable for race, (a) assuming a Poisson…

Refer to Table 13.6. Fit a loglinear model with a dummy variable for race, (a) assuming a Poisson distribution, and (b) allowing overdisper- sion with a quasi-likelihood approach. Compare results.

TABLE 13.6 Number of Victims of Murder Known in Past Year, by Race, with Fit of Poisson and Negative Binomial Models

 

Data

Poisson GLM

Neg. Bin. GLM

Poisson GLMM

Response

Black White

Black White

Black White

Black White

0

119

1070

94.3

1047.7

122.8

1064.9

116.7

1068.3

1

16

60

49.2

96.7

17.9

67.5

24.5

65.3

2

12

14

12.9

4.5

7.8

12.7

8.1

10.1

3

7

4

2.2

0.1

4.1

2.9

3.6

2.8

4

3

0

0.3

0.0

2.4

0.7

1.9

1.1

5

2

0

0.0

0.0

1.4

0.2

1.1

0.5

6

0

1

0.0

0.0

0.9

0.1

0.7

0.3

 

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