1. Bad data cost. https://www.entrepreneur.com/article/332238
2. Diabetes 130 us hospitals 1999–2008. https://www.kaggle.com/brandao/diabetes
3. e-handbook of statistical methods. http://www.itl.nist.gov/div898/handbook/
4. Heart disease data set. https://archive.ics.uci.edu/ml/datasets/heart+Disease
5. Inside airbnb. http://insideairbnb.com/new-york-city/