Table 2.
Class solution | Log-likelihood | BIC | Entropy |
---|---|---|---|
Alcohol usea | |||
| |||
1 class | −1001.48 | 2033.12 | n/a |
2 classes | −950.50 | 1949.27 | 0.73 |
3 classes | −933.07 | 1932.51 | 0.67 |
4 classes | −933.07 | 1950.60 | 0.60 |
| |||
Marijuana useb | |||
| |||
1 class | −1014.53 | 2065.09 | n/a |
2 classes | −973.85 | 2001.74 | 0.68 |
3 classes | −964.52 | 2001.08 | 0.60 |
4 classes | −964.52 | 2019.10 | 0.68 |
| |||
Cigarette usec | |||
| |||
1 class | −1146.85 | 2348.30 | n/a |
2 classes | −1107.80 | 2288.30 | 0.90 |
3 classes | −861.70 | 1814.32 | 0.87 |
4 classes | −850.51 | 1810.20 | 0.84 |
Note. n/a=not applicable.
Poisson distribution, linear model.
Poisson distribution, nonlinear model.
Continuous distribution, linear model.