Turn numeric,data.frame,matrix into fraction form.
https://anaconda.org/r/r-fraction/badges/version.svg
https://anaconda.org/r/r-fraction/badges/latest_release_date.svg
https://anaconda.org/r/r-fraction/badges/latest_release_relative_date.svg
https://anaconda.org/r/r-fraction/badges/platforms.svg
https://anaconda.org/r/r-fraction/badges/license.svg
https://anaconda.org/r/r-fraction/badges/downloads.svg