Projects

CSEMP assessment of dibenzothiophene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean151.3355.83-22.6745.33
linear253.3363.99-22.6645.330.002 10.9660
smooth (df = 2)355.0280.02-22.5145.020.306 10.5799

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052013-0.5557-0.5731-0.0174 0.4081-0.0430.9676
last 20 years20052013-0.5557-0.5731-0.0174 0.4081-0.0430.9676

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL 0.56190.005.8200.25422.918<0.0001

 


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for in sediment
  • Accessment criteria for in sediment