shell.nix

```let
  pkgs = import <nixpkgs> {};
in
  pkgs.mkShell {
    buildInputs = with pkgs; [
      python37
       python37Packages.pandas
       python37Packages.numpy
       python37Packages.rpy2
       python37Packages.matplotlib
       #python37Packages.sqlite
       python37Packages.notebook
       python37Packages.ipython
       python37Packages.scikitlearn
       python37Packages.seaborn
       python37Packages.scipy
       python37Packages.plotly
       python37Packages.ipywidgets
       python37Packages.future
       python37Packages.scikitimage
       #Todo Package graphlab
       python37Packages.tzlocal
       python37Packages.simplegeneric
       R
       rPackages.mlbench
       rPackages.arules
       python37Packages.pprintpp
    ];
  }```