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 | 31.00 | 35.50 | -12.50 | 25.00 | | | |
| linear | 2 | 32.20 | 42.87 | -12.10 | 24.20 | 0.801 | 1 | 0.3708 |
| smooth (df = 2) | 3 | 34.19 | 59.19 | -12.10 | 24.19 | 0.007 | 1 | 0.9333 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2017 | -1.4682 | -2.0914 | -0.6233 | 0.7029 | -0.887 | 0.4158 |
| last 20 years | 1999 | 2017 | -1.4682 | -2.0914 | -0.6233 | 0.7029 | -0.887 | 0.4158 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1235 | 0.1141 | -0.0793 | 0.4902 | -0.162 | 0.5611 |
| EAC | 0.1235 | 1.5730 | 2.5444 | 0.4902 | 5.191 | 0.0017 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
