Projects

CSEMP assessment of benzo[a]anthracene in sediment at Garroch Head (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean180.9082.18-37.4574.90
linear277.1379.60-34.5769.135.763 10.0164
smooth (df = 2)378.3682.53-34.1868.360.772 10.3796
smooth (df = 3)479.7086.24-33.8567.700.666 10.4144
smooth (df = 4)578.2388.03-32.1164.233.468 10.0626

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.5734.543-1.0300 0.3946-2.6100.0197
last 20 years200020175.5734.543-1.0300 0.3946-2.6100.0197

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 94 16-1.7707 0.2574-6.8801.0000
ERL 94261 1.0212 0.2574 3.9680.0006

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Garroch Head (Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Garroch Head (Clyde)


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Garroch Head (Clyde)


PAH (parent) data

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


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Garroch Head (Clyde)


Related pages