Projects

CSEMP assessment of benzo[a]anthracene in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean125.6428.64-9.8219.64
linear225.2031.60-8.6017.202.442 10.1181
smooth (df = 2)326.6839.18-8.3416.680.520 10.4710

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520175.0864.678-0.4075 0.2520-1.6170.1499
last 20 years200520175.0864.678-0.4075 0.2520-1.6170.1499

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC107.57 16.00-1.9056 0.1835-10.3871.0000
ERL107.57261.00 0.8863 0.1835 4.8310.0009

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Humber


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Humber


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Humber


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Humber


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Humber


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