学ぶ Analyzing Attendance Patterns | Tracking Athlete Performance

Python for Coaches

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Tracking athlete attendance is one of the most valuable tools you have as a coach. Regular attendance often signals an athlete’s engagement and commitment, while irregular patterns can reveal underlying issues such as waning motivation, scheduling conflicts, or potential burnout. By carefully monitoring attendance, you can spot trends early, support athletes who may be struggling, and celebrate those who demonstrate consistent dedication. Attendance data is more than just a record—it’s a window into the health of your team and the experience of each individual athlete.


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# Example attendance records for each athlete (True = attended, False = absent)
athlete_attendance = {
    "Jordan":   [True, True, False, True, True, False, True],
    "Taylor":   [True, False, False, False, True, False, False],
    "Morgan":   [True, True, True, True, True, True, True],
    "Casey":    [False, False, False, True, False, False, False],
}

To make sense of attendance data, you need to calculate each athlete’s attendance rate. This is usually expressed as a percentage of sessions attended out of the total possible. By comparing these rates, you can quickly identify athletes who may need extra encouragement or support. Low attendance rates often highlight athletes who are at risk of falling behind or disengaging, while high rates can help you recognize and reward commitment. Understanding these patterns empowers you to take action before small problems become bigger ones.


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# Calculate and print attendance rate for each athlete
for name, records in athlete_attendance.items():
    total_sessions = len(records)
    attended = sum(records)  # True is counted as 1, False as 0
    attendance_rate = attended / total_sessions * 100
    print(f"{name}: attended {attended}/{total_sessions} sessions ({attendance_rate:.1f}%)")

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セクション 1. 章 4

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セクション 1. 章 4

Analyzing Attendance Patterns

1. Why is it important for coaches to monitor attendance patterns?

2. What does a low attendance rate typically indicate?

3. Which Python operation is most useful for counting True values in a list?