Projects

CSEMP assessment of CB118 in biota at Camarthen Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean124.3826.95-9.1918.38
linear224.5929.92-8.2916.591.791 10.1808
smooth (df = 2)326.5836.58-8.2916.580.005 10.9427
smooth (df = 3)427.8145.81-7.9015.810.778 10.3778

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420182.08481.6604-0.4244 0.3036-1.3980.1996
last 20 years200420182.08481.6604-0.4244 0.3036-1.3980.1996

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC5.2610.100-3.963 0.196-20.2701.0000
EAC5.2614.900-0.071 0.196 -0.3640.6374

 


Related pages

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