Visibility Graph Analysis of Heartbeat Time Series: Comparison of Young vs. Old, Healthy vs. Diseased, Rest vs. Exercise, and Sedentary vs. Active

Mathematics

• Visibility Graph 100%
• Exercise 73%
• Time series 63%
• Congestive Heart Failure 39%
• Path Length 29%
• Complex Networks 27%
• Vertex of a graph 20%
• Regression line 16%
• Graph Algorithms 15%
• Cardiac 15%
• Slope 11%
• Connectivity 10%
• Classify 9%
• Calculate 9%
• Methodology 8%

Physics & Astronomy

• physical exercise 83%
• visibility 73%
• regression analysis 12%
• methodology 9%
• slopes 8%

Engineering & Materials Science

• Visibility 70%
• Time series 61%
• Complex networks 24%
• Graph algorithms 14%