Fig. 21
From: Hyperparameter optimization for cardiovascular disease data-driven prognostic system
Hierarchical cluster scatter diagram that illustrates the correlation between cholesterol level, maximum HR, and resting blood pressure. a Hierarchical clustering scatter plot correlations between cholesterol level and maximum HR attributes; b Hierarchical clustering scatter plot correlations between cholesterol level and resting blood pressure attributes; c Hierarchical clustering scatter plot correlations between maximum HR and resting blood pressure attributes