Projects

CSEMP assessment of nickel in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-6.71-3.116.35-12.71
linear2-4.96 3.046.48-12.960.246 10.6198
smooth (df = 2)3-3.2713.396.64-13.270.319 10.5722

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620133.3703.316-0.05355 0.10681-0.5010.6340
last 20 years200620133.3703.316-0.05355 0.10681-0.5010.6340

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC27.5636.000.267270.064864.1210.0031

 


Related pages

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