Projects

CSEMP assessment of CB118 in biota at Inner Liverpool Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean134.4236.99-14.2128.42
linear231.5736.90-11.7923.574.848 10.0277
smooth (df = 2)327.9937.99 -8.9917.995.582 10.0181
smooth (df = 3)429.2747.27 -8.6317.270.722 10.3956

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920123.9673.365-0.6025 0.2372-2.5400.0347
last 20 years199920123.9673.365-0.6025 0.2372-2.5400.0347

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC28.926 0.100-5.667 0.131-43.1741.0000
EAC28.926 4.000-1.978 0.131-15.0721.0000

 


Related pages

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