# Installation¶

20/20+ is designed to run on linux operating systems.

## Package requirements¶

Once you have downloaded the source code for 20/20+, please add the directory to your PATH variable.

We recommend that you install the dependencies for 20/20+ through conda. Once conda is installed, setting up the environment is done as follows:

$conda env create -f environment_python.yml # install dependencies for python$ source activate 2020plus  # activate the 20/20+ conda environment
$conda install r r-randomForest rpy2 # install the R related dependencies  Every time you wish to run 20/20+, you will then need to activate the “2020plus” conda environment. $ source activate 2020plus


The 20/20+ conda environment can also be deactivated.

$source deactivate 2020plus  ## Check your PATH variable¶ Make sure that you have add the 20/20+ directory to your PATH variable. We recommend you add this line to your bashrc file. export PATH=$PATH:/path/to/2020plus


Where “/path/to/2020plus” represents the path where you placed 20/20+. If you have done this correctly, the following command should print the location of the 2020plus.py script.

\$ which 2020plus.py