Projects

CSEMP assessment of CB180 in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 99.78101.78-46.8993.78
linear2100.32104.32-46.1692.321.459 10.2271
smooth (df = 2)3 99.44106.59-44.7289.442.877 10.0898
smooth (df = 3)4 98.55110.55-43.2786.552.898 10.0887

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20072018-0.8896-0.54770.34190.27351.2500.2396
last 20 years20072018-0.8896-0.54770.34190.27351.2500.2396

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.578 0.100-1.7549 0.1613-10.8791.0000
EAC 0.57812.000 3.0326 0.1613 18.800<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB180 in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  CB180 in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  CB180 in sediment at middle (Firth of Clyde)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB180 in sediment at middle (Firth of Clyde)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB180 in sediment at middle (Firth of Clyde)


Related pages