Prep挑战 2020/w18,--足球队员被替换次数表
https://preppindata.blogspot.com/2020/04/2020-week-18.html
本次数据规整挑战,使用了利物浦队在2019年的参赛表。
- Match Details, 比赛日期,对手,主客场,比分结果,双方的队形。
- Starting XI,开始上场的队员名单。Substitutes,替补队员名单。
- 三次替换的情况。换下队员号,换上队员号,替换时间。
问题,对每个队员的上场情况分析:
- How many times has each player been in the squad? 每名队员在队伍中的次数。
- How many appearances has each player made? 每名队员首次出场次数。 (即非替补出场)
- What is their minute per games ratio? (This only includes games that they made an appearance in) 平均下来,每名队员每场比赛的在场时间。只计算他首次出场的情况。