This dataset about "Health care: Data set on Heart attack possibility" Originally published at Kaggle: Heart Disease UCI
This database contains 76 attributes, but all published experiments refer to using a subset of 14 of them. In particular, the Cleveland database is the only one that has been used by ML researchers. you can find the full data with 76 features at machine learning repository: Heart Disease Data Set
this visualization try to focus on the number of heart attack cases in this data set