R package with utilities for pesticide fate modelling
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The R package pfm provides some utilities for fate modelling, including dealing with FOCUS pesticide fate modelling tools, (currently only TOXSWA cwa and out files), made available under the GNU public license. This means:

This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>


The easiest way to install the package is probably to use drat:


Alternatively you can install the package using the devtools package. Using quick = TRUE skips docs, multiple-architecture builds, demos, and vignettes.

install_github("jranke/pfm", quick = TRUE)


Please refer to the reference.


One recent nice example of the usage of this package is the visualisation of a time weighted average for a sawtooth curve obtained from several overlays of mkinfit predictions as shown here.

Another, even more recent example shows how FOCUS PELMO can be run in parallel under Linux as shown here.