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for the burst thresholds 
.| Model | Distribution | Parameters, θ |
| 1 |
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|
| 2 |
|
 ,  , 
|
| 3 |
|
|
| 4 |
|
 , 
|
| 5 |
|
 , 
|
| 6 |
|
|
(1) Unimodal Kronecker, (2) bimodal Kronecker, (3) Poisson, (4) binomial, (5) negative binomial, and (6) geometric.
