Feature engineering without domain knowledge

Feature Engineering without the use of domain knowledge.

K-means, see how observations cluster! Those could be features to use without knowing much about the business.

Here’s an example in R:
http://www.statmethods.net/advstats/cluster.html
http://uc-r.github.io/kmeans_clustering

and how to k-means in MatLab:
https://www.mathworks.com/help/stats/examples/cluster-analysis.html?requestedDomain=www.mathworks.com