CSEMP assessment of CB153 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 | 12.71 | 16.31 | -3.35 | 6.71 | | | |
| linear | 2 | 10.22 | 18.22 | -1.11 | 2.22 | 4.488 | 1 | 0.0341 |
| smooth (df = 2) | 3 | 8.67 | 25.33 | 0.67 | -1.33 | 3.552 | 1 | 0.0595 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | -0.3201 | -0.9873 | -0.6673 | 0.2790 | -2.392 | 0.0539 |
| last 20 years | 1999 | 2018 | -0.3201 | -0.9873 | -0.6673 | 0.2790 | -2.392 | 0.0539 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.373 | 0.098 | -1.338 | 0.168 | -7.942 | 0.9999 |
| EAC | 0.373 | 20.605 | 4.013 | 0.168 | 23.829 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
