CSEMP assessment of dibenzothiophene 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 | 82.09 | 85.69 | -38.05 | 76.09 | | | |
| linear | 2 | 82.63 | 90.63 | -37.32 | 74.63 | 1.457 | 1 | 0.2274 |
| smooth (df = 2) | 3 | 83.97 | 100.63 | -36.98 | 73.97 | 0.668 | 1 | 0.4137 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 2.1961 | 1.9327 | -0.26346 | 0.21466 | -1.227 | 0.2657 |
| last 20 years | 2011 | 2018 | 2.1961 | 1.9327 | -0.26346 | 0.21466 | -1.227 | 0.2657 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| ERL | 6.91 | 190.00 | 3.314 | 0.143 | 23.239 | <0.0001 |
Raw data with supporting information
__sdmn_dbt_au.jpg "Raw data with supporting information for assessment of dibenzothiophene in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_dbt_da.jpg "Raw data with assessment of dibenzothiophene in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_dbt_as.jpg "Assessment plot for dibenzothiophene in sediment at middle (Firth of Clyde)")
PAH (parent) data
__sdmn_p(p)da.jpg "PAH (parent) data for assessment of dibenzothiophene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
__sdmn_p(p)as.jpg "PAH (parent) assessment of dibenzothiophene in sediment at middle (Firth of Clyde)")
Related pages
