Projects

CSEMP assessment of dibenzothiophene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean133.7536.75-13.8827.75
linear235.6242.02-13.8127.620.136 10.7127
smooth (df = 2)337.1349.63-13.5627.130.489 10.4844

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052013-0.3880-0.5297-0.1417 0.3830-0.3700.7223
last 20 years20052013-0.3880-0.5297-0.1417 0.3830-0.3700.7223

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL 0.59190.005.7770.22925.195<0.0001

 


Related pages

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