Create virtual environment:
pyvenv machine_learning_venv
Changing the path to Python, i.e. the virtual environment:
source machine_learning_venv/bin/activate
pip3 install numpy
pip3 install sklearn
pip3 install quandl
This was needed to fix „cryptography error“ 'x86_64-linux-gnu-gcc' :
sudo apt-get install python3 python-dev python3-dev \
build-essential libssl-dev libffi-dev \
libxml2-dev libxslt1-dev zlib1g-dev \
python-pip