Projects

CSEMP assessment of CB101 in biota at Grimsby Roads (Lower Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean164.8667.43-29.4358.86
linear265.7771.10-28.8857.771.088 10.2970
smooth (df = 2)365.2175.21-27.6055.212.564 10.1093
smooth (df = 3)463.8481.84-25.9251.843.369 10.0664

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220121.43100.9957-0.4353 0.3998-1.0890.3080
last 20 years200220121.43100.9957-0.4353 0.3998-1.0890.3080

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 2.707 0.080-3.521 0.255-13.8101.0000
EAC 2.70715.730 1.760 0.255 6.902<0.0001

 


Related pages

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