Projects

CSEMP assessment of chromium in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-17.80-13.3011.90-23.80
linear2-15.86 -5.2011.93-23.860.060 10.8063
smooth (df = 2)3-14.06 10.9412.03-24.060.200 10.6547

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620134.2714.244-0.02667 0.10876-0.2450.8160
last 20 years200620134.2714.244-0.02667 0.10876-0.2450.8160

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL69.7281.000.149990.077191.9430.0548

 


Related pages

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