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 | 79.21 | 83.71 | -36.61 | 73.21 | | | |
| linear | 2 | 78.90 | 89.57 | -35.45 | 70.90 | 2.307 | 1 | 0.1288 |
| smooth (df = 2) | 3 | 80.87 | 105.87 | -35.44 | 70.87 | 0.031 | 1 | 0.8599 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2017 | 2.2334 | 1.8772 | -0.3562 | 0.2289 | -1.556 | 0.1804 |
| last 20 years | 2011 | 2017 | 2.2334 | 1.8772 | -0.3562 | 0.2289 | -1.556 | 0.1804 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| ERL | 6.54 | 190.00 | 3.37 | 0.15 | 22.399 | <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
