anchor.diff:      '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 && \
  
positive.code: 
  FROM base-jupyter
  
  USER root
  
  RUN apt-get update && \
      apt-get install -y --no-install-recommends \
      fonts-dejavu \
  
negative.code:     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' \
  