Tools for modeling and correcting biases in sea ice predictions obtained from dynamical models. This package depends on the 'ncdf4' and 'rgeos' R packages. These packages respectively require installing externally from R Unidata's 'NetCDF' library and Geometry Engine - Open Source ('GEOS'). (See the 'rgeos' and 'ncdf4' packages for details.) References, Bivand and Rundel (2017) < https://CRAN.R-project.org/package=rgeos>, Open Source Geospatial Foundation (2017) < https://trac.osgeo.org/geos>, Pierce (2017) < https://CRAN.R-project.org/package=ncdf4>, Unidata (2017) < https://www.unidata.ucar.edu/software/netcdf/>.