Projects

CSEMP assessment of benzo[g,h,i]perylene in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean145.1949.69-19.5939.19
linear246.9557.62-19.4838.950.234 10.6287
smooth (df = 2)346.7771.77-18.3836.772.185 10.1394

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620163.9253.714-0.2111 0.4294-0.4920.6438
last 20 years200620163.9253.714-0.2111 0.4294-0.4920.6438

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC41.0380.000.66770.27282.4470.0291

 


Related pages

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