Projects

CSEMP assessment of CB138 in biota at 11th Mile Post (Ribble)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1103.63105.88-48.8197.63
linear2 96.72101.29-44.3688.728.912 10.0028
smooth (df = 2)3 98.59106.92-44.2988.590.126 10.7224
smooth (df = 3)4 99.97114.37-43.9987.970.615 10.4330

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920123.09151.7848-1.3068 0.3905-3.3470.0086
last 20 years199920123.09151.7848-1.3068 0.3905-3.3470.0086

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 5.96 0.09-4.193 0.256-16.3721.0000
EAC 5.9644.70 2.015 0.256 7.869<0.0001

 


Related pages

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