Hi motohagiography, thanks a lot for the kind feedback, much appreciated. I built profiles for each company based on their filing strategy and technology and th

Hi motohagiography, thanks a lot for the kind feedback, much appreciated. I built profiles for each company based on their filing strategy and technology and then in a second step computed their similarity using Pearson. If you are interested in the details, I put together some of the details here https://medium.com/goodip/ding-the-pearson-correlation-matrix-on-huge-datasets-in-python-bb9680245259 https://medium.com/goodip/ding-the-pearson-correlation-matri... Cheers Linus