Table 4.
“Uganda HHV-8 study”: Results for mixture models I and II with constant p for bivariate and univariate data, and single Semi-nonparametric density fit to bivariate data; model-based standard errors given in parenthesis
| Model | λ1 | λ2 | p | Log-likelihood | AIC |
|---|---|---|---|---|---|
| Bivariate models | |||||
| I, K= 0 | 0.43 (0.07) | 0.35 (0.05) | 0.49 (0.06) | −172.48 | −370.96 |
| I, K= 1 | 0.24 (0.03) | 0.24 (0.04) | 0.19 (0.03) | −160.13 | −354.26 |
| I, K= 2 | 0.27 (0.05) | 0.10 (0.05) | 0.18 (0.02) | −145.98 | −337.96 |
| II, K= 1 | 0.44 (0.03) | −258.25 | −546.50 | ||
| II, K= 2 | 0.43 (0.03) | −210.26 | −462.52 | ||
| Single density, K= 0 | 0.07 (0.16) | 0.03 (0.03) | −232.39 | −478.78 | |
| Single density, K= 1 | 0.09 (0.16) | 0.03 (0.03) | −224.28 | −466.56 | |
| Single density, K= 2 | 0.32 (0.04) | 0.20 (0.05) | −181.10 | −386.20 | |
| Univariate models for K8.1 assay | |||||
| I, K= 0 | 0.11 (0.05) | 0.17 (0.03) | −302.36 | −308.36 | |
| I, K= 1 | 0.04 (0.04) | 0.16 (0.02) | −293.30 | −301.30 | |
| I, K= 2 | 0.41 (0.08) | 0.16 (0.03) | −288.59 | −298.59 | |
| II, K= 1 | 0.39 (0.03) | −329.14 | −336.14 | ||
| II, K= 2 | 0.42 (0.03) | −293.26 | −302.26 | ||
| Univariate models for orf73 assay | |||||
| I, K= 0 | 0.28 (0.11) | 0.35 (0.11) | −47.29 | −53.29 | |
| I, K= 1 | 0.08 (0.06) | 0.18 (0.04) | −43.01 | −51.01 | |
| I, K= 2 | 0.24 (0.10) | 0.35 (0.09) | −38.78 | −48.78 | |
| II, K= 1 | 0.41 (0.03) | −81.72 | −88.72 | ||
| II, K= 2 | 0.42 (0.03) | −50.78 | −59.78 | ||