add more kernels to python 3 jupyter notebooks with anaconda

dualpythonnotebook.md

this assumes you have installed Python 3 via Anaconda distribution.

Make Python 2 kernel available to Jupyter Notebook

1. open a terminal and create a new python 2 environment: conda create -n py27 python=2.7
2. activate the environment: linux source activate py27 or windows activate py27
3. install the kernel in the env: conda install notebook ipykernel
4. install the kernel for outside the env: ipython kernel install --user
5. close the env: source deactivate

Add R kernel to Jupyter Notebook

you can now manage R from anaconda which is kind of nice, and is automatically bundled with notebook kernel

1. install R-essetials: conda install -c r r-essentials