Projects

CSEMP assessment of CB153 in biota at C1 buoy (Liverpool Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean115.1917.44-4.609.19
linear216.1820.75-4.098.181.009 10.3151
smooth (df = 2)318.0826.41-4.048.080.102 10.7489
smooth (df = 3)419.5133.91-3.757.510.572 10.4494

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.6584.542-0.11601 0.11102-1.0450.3233
last 20 years199920124.6584.542-0.11601 0.11102-1.0450.3233

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 93.9 0.1-6.845 0.063-108.5341.0000
EAC 93.9253.6 0.993 0.063 15.753<0.0001

 


Related pages

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