# pfm The R package **pfm** provides some utilities for dealing with FOCUS pesticide fate modelling tools, 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 version. 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 details. You should have received a copy of the GNU General Public License along with this program. If not, see ## Installation You can install the package from [github](http://github.com/jranke/pfm), e.g. using the `devtools` package. Using `quick = TRUE` skips docs, multiple-architecture builds, demos, and vignettes, to make installation as fast and painless as possible. ```s library(devtools) install_github("jranke/pfm", subdir = "pkg", quick = TRUE) ```