3 57 MACHINE LEARNING SUPPORTING SUBSTITUTIONS IN SOCCER Table 1. Variable based constructed features. Variable: Distance Covered Feature Explanation Period The five-minute period indicator of the match (range: 1-18) Percentage average distance The percentage of distance covered versus the average percentage of distance covered in the specific five-minute period Percentage average percentage summed distance The percentage of the summed distance covered versus the average percentage summed distance covered up to and including the specific the five-minute period Variable: Distance in Speed Category Feature Explanation Period The five-minute period indicator of the match (range: 1-18) Percentage very low intensity running distance covered versus average percentage very low intensity running distance covered The percentage of the distance covered in the very low intensity running speed category versus the average percentage distance in the very low intensity running speed category in the specific five-minute period. Percentage summed very low intensity running distance covered versus average very low intensity running distance covered The percentage of the summed distance covered in the very low intensity running speed category versus the average percentage summed distance in the very low intensity running speed category in the specific fiveminute period. Percentage low intensity running distance covered versus average percentage low intensity running distance covered The percentage of the distance covered in the very low intensity running speed category versus the average percentage distance in the very low intensity running speed category in the specific five-minute period. Percentage summed low intensity running distance covered versus average percentage summed Low intensity running distance covered The percentage of the summed distance covered in the low intensity running speed category versus the average percentage summed distance covered in the low intensity running category up to and including the specific fiveminute period. Percentage medium intensity running distance covered versus average percentage medium intensity running distance covered The percentage of the distance covered in the medium intensity running speed category versus the average percentage distance covered in the medium intensity running speed category in the specific five-minute period Percentage summed medium intensity running distance covered versus average medium intensity running distance covered The percentage of the summed distance covered in the medium intensity running speed category versus the average percentage summed distance covered in the medium intensity running speed category up to and including the specific five-minute period. Percentage high intensity running distance covered versus average percentage high intensity running distance covered The percentage of the distance covered in the high intensity running speed category versus the average percentage distance covered in the high intensity running speed category in the specific five-minute period. Percentage summed high intensity running distance covered versus average percentage summed high intensity running distance covered The percentage of the summed distance covered in the high intensity running speed category versus the average percentage summed distance covered in the high intensity running speed category up to and including the specific five-minute period.
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