Projects

CSEMP assessment of CB138 in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean143.9948.49-18.9937.99
linear241.6452.31-16.8233.644.348 10.0371
smooth (df = 2)342.1767.17-16.0932.171.468 10.2257

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052013-1.6724-2.7337-1.0613 0.4716-2.2510.0742
last 20 years20052013-1.6724-2.7337-1.0613 0.4716-2.2510.0742

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.0650.1500.8370.264 3.1680.0124
EAC0.0657.9004.8010.26418.181<0.0001

 


Related pages

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