CSEMP assessment of fluoranthene in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 107.24 | 109.04 | -50.62 | 101.24 | | | |
| linear | 2 | 109.17 | 112.73 | -50.58 | 101.17 | 0.067 | 1 | 0.7963 |
| smooth (df = 2) | 3 | 103.55 | 109.80 | -46.78 | 93.55 | 7.618 | 1 | 0.0058 |
| smooth (df = 3) | 4 | 103.19 | 113.47 | -45.59 | 91.19 | 2.364 | 1 | 0.1242 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2018 | 4.868 | 4.929 | 0.06127 | 0.22970 | 0.267 | 0.7946 |
| last 20 years | 2006 | 2018 | 4.868 | 4.929 | 0.06127 | 0.22970 | 0.267 | 0.7946 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 138.3 | 39.0 | -1.2658 | 0.1234 | -10.257 | 1.0000 |
| ERL | 138.3 | 600.0 | 1.4676 | 0.1234 | 11.892 | <0.0001 |
Raw data with supporting information
__sdmn_flu_au.jpg "Raw data with supporting information for assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_flu_da.jpg "Raw data with assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_flu_as.jpg "Assessment plot for fluoranthene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of fluoranthene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of fluoranthene in sediment at middle (Firth of Clyde)")
Related pages
