CSEMP assessment of CB101 in biota at Off Boston (Wash)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 36.46 | 40.06 | -15.23 | 30.46 | | | |
| linear | 2 | 38.16 | 46.16 | -15.08 | 30.16 | 0.296 | 1 | 0.5864 |
| smooth (df = 2) | 3 | 40.12 | 56.78 | -15.06 | 30.12 | 0.048 | 1 | 0.8270 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | -1.5453 | -1.8676 | -0.3223 | 0.5935 | -0.543 | 0.6066 |
| last 20 years | 1999 | 2018 | -1.5453 | -1.8676 | -0.3223 | 0.5935 | -0.543 | 0.6066 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1545 | 0.1141 | -0.3031 | 0.3973 | -0.763 | 0.7627 |
| EAC | 0.1545 | 1.5730 | 2.3206 | 0.3973 | 5.840 | 0.0006 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
