Projects

CSEMP assessment of phenanthrene in sediment at outer (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1124.24125.52-59.12118.24
linear2122.79125.25-57.39114.79 3.450 10.0632
smooth (df = 2)3108.57112.74-49.28 98.5716.218 1<0.0001
smooth (df = 3)4110.49117.04-49.25 98.49 0.077 10.7815
smooth (df = 4)5111.96121.76-48.98 97.96 0.529 10.4670

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.9514.436-0.5144 0.1870-2.7520.0156
last 20 years200020174.9514.436-0.5144 0.1870-2.7520.0156

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 84.45 32.00-0.9705 0.1552-6.2551.0000
ERL 84.45240.00 1.0444 0.1552 6.732<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  phenanthrene in sediment at outer (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  phenanthrene in sediment at outer (Firth of Clyde)


Assessment plot

Assessment plot for  phenanthrene in sediment at outer (Firth of Clyde)


PAH (parent) data

PAH (parent) data for assessment of  phenanthrene in sediment at outer (Firth of Clyde)


PAH (parent) assessment

PAH (parent) assessment of  phenanthrene in sediment at outer (Firth of Clyde)


Related pages