Topic modelling NLP for mission 2

Example of how NLP could be used to inspect popular auction question topics. Data from Amazon review data. Uses scikit learn for latent dirichelet allocation topic modelling and LDAvis for visualisation. No optimisation has been attempted - this is just a prototype.

1. install requirements python3 -m venv env source ./env/bin/activate pip install -r reqs.txt
2. run example script runExample.sh