anchor.diff:      gcc && apt-get clean && \
       rm -rf /var/lib/apt/lists/*
   
  +
  +# Install conda dependencies for R kernel
   RUN conda config --add channels r && \
       conda install --quiet --yes \
       'r-base=3.3.1 1' \
  
positive.code: 
  FROM base-jupyter
  
  USER root
  
  RUN apt-get update && \
      apt-get install -y --no-install-recommends \
      fonts-dejavu \
  
negative.code:     'r-crayon=1.3*' \
      'r-randomforest=4.6*' && conda clean -tipsy
  
  
  # Install the ISLR library
  RUN cd /opt && \
      wget https://cran.r-project.org/src/contrib/ISLR_1.0.tar.gz && \
      tar zxvf ISLR_1.0.tar.gz && \
  