HELCOM Hazardous substances Assessment Tool

As an example this markdown document has been produced using the code in the 2019 folder. In practice, an HTML document will be produced, and will be available via the link below:

https://ocean.ices.dk/HHAT/Home/GettrResult?seriesID=Denmark%20ARH170165%20CD%20Mytilus%20edulis%20SB&matrix=Biota&year=2019

The graphical map interface to all assessments will be found here: https://ocean.ices.dk/hhat/

Assessment plots and statistical analysis

Will put some introductory text here, including summary information about the time series, including:

• station name
• latitude and longitude
• region
• MSTAT
• compartment
• determinand
• units
• species (if biota)
• matrix
• extraction date

Assessment plot

Trend with data

Auxiliary data

Assessments (related compounds)

Data (related compounds)

Statistical analysis

Trend assessment

Analysis of variance

                Df       AIC       AICc  Log lik  Deviance     Chisq Chi df Pr(>Chisq)
mean             1 -29.53062 -25.030620 17.76531 -35.53062        NA     NA         NA
linear           2 -29.87462 -19.207955 18.93731 -37.87462 2.3440012      1  0.1257662
smooth (df = 2)  3 -28.45124  -3.451244 19.22562 -38.45124 0.5766226      1  0.4476392

Change in log concentration

              Year start Year end Fit start  Fit end   Change Std error         t Pr(>|t|)
overall             2010     2016  5.381037 5.226617 -0.15442 0.0926443 -1.666805  0.15643
last 20 years       2010     2016  5.381037 5.226617 -0.15442 0.0926443 -1.666805  0.15643

Status assessment

    Conc fitted Conc ref  Log ratio  Std error         t    Pr(>t)
HQS     186.162   137.28 -0.3045947 0.05604806 -5.434527 0.9985693

how to build this file

this file was created using

rmarkdown::render("README.Rmd")