Projects

CSEMP assessment of CB138 in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean165.2569.75-29.6359.25
linear265.3175.98-28.6657.311.943 10.1634
smooth (df = 2)365.3290.32-27.6655.321.989 10.1584

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052013-1.7743-2.6287-0.8543 0.6138-1.3920.2227
last 20 years20052013-1.7743-2.6287-0.8543 0.6138-1.3920.2227

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.0720.1500.7320.357 2.0510.0478
EAC0.0727.9004.6960.35713.165<0.0001

 


Related pages

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