Projects

CSEMP assessment of CB180 in sediment at inner (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 99.93101.43-46.9793.93
linear2100.38103.29-46.1992.381.554 10.2125
smooth (df = 2)3100.68105.68-45.3490.681.702 10.1921
smooth (df = 3)4 99.37107.37-43.6987.373.304 10.0691
smooth (df = 4)5 97.16109.41-41.5883.164.215 10.0401

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920180.10590.53950.43370.33861.2810.2226
last 20 years199920180.10590.53950.43370.33861.2810.2226

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.715 0.100-2.8421 0.1720-16.5231.0000
EAC 1.71512.000 1.9454 0.1720 11.309<0.0001

 


Related pages

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