Table 3. Experimental setup analysis of our dataset with Pearson's and Spearman correlation between our features and RPE. Only the top 10 with the highest absolute correlation are listed. Feature Pearson Correlation to RPE Spearman Correlation to RPE Heart rate, zone 8, abs. count 0.161 0.122 Heart rate, zone 7, abs. count 0.141 0.127 Heart rate, zone 8, relative share 0.135 0.112 Speed zone (10-13km/h), abs. count 0.132 0.107 Speed zone (10-13km/h), abs. distance 0.127 0.103 TRIMP (heart rate zone >4) 0.119 0.116 TRIMP (all heart rate zones) 0.116 0.109 Speed zone (0-9), abs. count 0.115 0.102 HIR (>14.4km/h), abs. count 0.109 0.099 Speed zone (14-19km/h), abs. count 0.108 0.101