Projects

CSEMP assessment of chromium in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-10.18-6.588.09-16.18
linear2 -8.58-0.588.29-16.580.399 10.5274
smooth (df = 2)3 -8.42 8.249.21-18.421.846 10.1742

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620134.2074.136-0.07083 0.10296-0.6880.5172
last 20 years200620134.2074.136-0.07083 0.10296-0.6880.5172

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL62.5681.000.258290.066233.9000.0040

 


Related pages

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