This project contains code supporting the blog at url => https://humansandai.wordpress.com/2017/12/26/recommendation-engine-overview-for-dummies/

• item_item_sim_recommender.py => This stand-alone python file contains the code to a recoomendation engine built using the Item-Item similarity technique
• user_user_sim_recommender.py => This stand-alone python file contains the code to a recoomendation engine built using the User-User similarity technique

• items.csv => This is a training data file which contains the unique item_id and the item_name of all items in the inventory.
• shopping_cart.csv => This is a training data file which contains the user_id and the list of items purchased by that user in a single transaction.

• Import the cloned project into PyCharm. PyCharm will automatically install the required dependencies from the requirements.txt file
• Right and click on 'Run' option on the item_item_sim_recommender.py file from the project window.

• Python 2.x and pip should already be installed on the machine.
• Install the requirements from the requirements.txt file, suing the command

pip install -r requirements.txt

You might have to use sudo, if the user does not have enough permissions to install packages.

• Execute the python file using the command

python item_item_sim_recommender.py