Projects

CSEMP assessment of CB101 in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean176.6478.44-35.3270.64
linear267.0870.63-29.5459.0811.563 10.0007
smooth (df = 2)368.3274.57-29.1658.32 0.757 10.3842
smooth (df = 3)465.9776.25-26.9853.97 4.352 10.0370

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062018-1.2111-0.51380.69730.16764.1620.0016
last 20 years20062018-1.2111-0.51380.69730.16764.1620.0016

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.59820.1400-1.4523 0.0933-15.5631.0000
EAC0.59823.0000 1.6124 0.0933 17.279<0.0001

 


Related pages

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