anchor.diff:  # R
   # http://irkernel.github.io/installation/
   RUN yum -y install czmq-devel
  -RUN R -e 'install.packages(c("rzmq","repr","IRkernel","IRdisplay"), repos = c("http://irkernel.github.io/", getOption("repos")),type = "source")'
  -# makes R kernel available for jupyter
  -RUN R -e 'IRkernel::installspec(user = FALSE)'
  +
  +RUN R -e 'install.packages(c("rzmq","repr","IRkernel","IRdisplay"), repos = c("http://irkernel.github.io/", getOption("repos")),type = "source")' \
  +	&& R -e 'IRkernel::installspec(user = FALSE)'
   
   #################
   ## LIBS
   #################
   
  -RUN pip2 install numpy pandas
  -RUN pip3 install numpy pandas
  +# Python 2
  +RUN pip2 install \
  +	numpy \
  +	pandas \
  +	bitarray \
  +	bokeh \
  +	bz2file \
  +	characteristic \
  +	colander \
  +	coverage \
  +	cryptography \
  +	csvkit \
  +	cymem \
  +	cython \
  +	cytoolz \
  +	sympy \
  +	names \
  +	rstr \
  +	sqlparse \
  +	jsonschema \
  +	simplejson \
  +	sphinx \
  +	spyder \
  +	sqlalchemy \
  +	scipy
  +
  +# Python 3
  +RUN pip3 install \
  +	numpy \
  +	pandas \
  +	bitarray \
  +	bokeh \
  +	bz2file \
  +	characteristic \
  +	colander \
  +	coverage \
  +	cryptography \
  +	csvkit \
  +	cymem \
  +	cython \
  +	cytoolz \
  +	sympy \
  +	names \
  +	rstr \
  +	sqlparse \
  +	jsonschema \
  +	simplejson \
  +	sphinx \
  +	spyder \
  +	sqlalchemy \
  +	scipy
  +
  +# R
  +RUN R -e 'install.packages("sqldf")' \
  +	&& R -e 'install.packages("plyr")' \
  +	&& R -e 'install.packages("gmp")' \
  +	&& R -e 'install.packages("Rmpfr")' \
  +	&& R -e 'install.packages("doParallel")' \
  +	&& R -e 'install.packages("foreach")' \
  +	&& R -e 'install.packages("DEoptim")' \
  +	&& R -e 'install.packages("pbivnorm")' \
  +	&& R -e 'install.packages("cubature")' \
  +	&& R -e 'install.packages("ggplot2")' \
  +	&& R -e 'install.packages("microbenchmark")' \
  +	&& R -e 'install.packages("Rcpp")' \
  +	&& R -e 'install.packages("RCurl")' \
  +	&& R -e 'install.packages("roxygen2")' \
  +	&& R -e 'install.packages("RQuantLib")' \
  +	&& R -e 'install.packages("RSQLite")' \
  +	&& R -e 'install.packages("devtools")' \
  +	&& R -e 'devtools::install_github("armgong/rjulia", ref="master")'
  +
  +# Julia
  +RUN julia -e 'Pkg.add("JuMP")' \
  +	&& julia -e 'Pkg.add("Cbc")' \
  +	&& julia -e 'Pkg.add("Gadfly")' \
  +	&& julia -e 'Pkg.add("SQLite")' \
  +	&& julia -e 'Pkg.add("BusinessDays")' \
  +	&& julia -e 'Pkg.add("InterestRates")' \
  +	&& julia -e 'Pkg.add("DataFrames")' \
  +	&& julia -e 'Pkg.add("JSON")' \
  +	&& julia -e 'Pkg.add("GZip")' \
  +	&& julia -e 'Pkg.add("TimeZones")' \
  +	&& julia -e 'Pkg.add("HttpParser")' \
  +	&& julia -e 'Pkg.add("Optim")' \
  +	&& julia -e 'Pkg.add("Calculus")' \
  +	&& julia -e 'Pkg.add("ForwardDiff")'
  +	#&& julia -e 'Pkg.add("RCall")'
   
   ####################
   ## Services
  
positive.code: 
  # Add Julia kernel
  # https://github.com/JuliaLang/IJulia.jl
  RUN julia -e 'Pkg.add("IJulia")'
  # https://github.com/JuliaLang/IJulia.jl/issues/341
  
  # precompilation
  RUN julia -e 'using IJulia'
  
  # registers global kernel
  RUN cp -r ~/.local/share/jupyter/kernels/julia-0.4 /usr/local/share/jupyter/kernels 
  
negative.code: # Upgrade pip
  # https://pip.pypa.io/en/stable/installing/#upgrading-pip
  RUN pip2 install -U pip
  
  RUN pip3 install -U pip
  
  # LLVM deps
  