Projects

CSEMP assessment of chrysene in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean133.7337.33-13.8727.73
linear228.6836.68-10.3420.687.056 10.0079
smooth (df = 2)330.1646.83-10.0820.160.517 10.4722

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520175.1724.355-0.8176 0.2593-3.1530.0197
last 20 years200520175.1724.355-0.8176 0.2593-3.1530.0197

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 77.8 20.0-1.3589 0.1910-7.1130.9998
ERL 77.8384.0 1.5960 0.1910 8.354<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  chrysene in sediment at Humber


Raw data with assessment

Raw data with assessment of  chrysene in sediment at Humber


Assessment plot

Assessment plot for  chrysene in sediment at Humber


PAH (parent) data

PAH (parent) data for assessment of  chrysene in sediment at Humber


PAH (parent) assessment

PAH (parent) assessment of  chrysene in sediment at Humber


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