Projects

CSEMP assessment of CB118 in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1101.14102.78-47.5795.14
linear2 99.31102.51-45.6591.313.836 10.0502
smooth (df = 2)3 93.59 99.15-41.8083.597.717 10.0055
smooth (df = 3)4 95.59104.59-41.7983.590.001 10.9696

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002018-1.4434-0.83260.61090.22082.7660.0184
last 20 years20002018-1.4434-0.83260.61090.22082.7660.0184

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.43490.1700-0.9394 0.1434-6.5491.0000
EAC0.43490.6000 0.3217 0.1434 2.2430.0232

 


Related pages

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