当我df.show()在 jupyter notebook 中查看 pyspark 数据框时
它告诉我：
+---+-------+-------+-------+------+-----------+-----+-------------+-----+---------+----------+-----+-----------+-----------+--------+---------+-------+------------+---------+------------+---------+---------------+------------+---------------+---------+------------+
| Id|groupId|matchId|assists|boosts|damageDealt|DBNOs|headshotKills|heals|killPlace|killPoints|kills|killStreaks|longestKill|maxPlace|numGroups|revives|rideDistance|roadKills|swimDistance|teamKills|vehicleDestroys|walkDistance|weaponsAcquired|winPoints|winPlacePerc|
+---+-------+-------+-------+------+-----------+-----+-------------+-----+---------+----------+-----+-----------+-----------+--------+---------+-------+------------+---------+------------+---------+---------------+------------+---------------+---------+------------+
| 0| 24| 0| 0| 5| 247.3000| 2| 0| 4| 17| 1050| 2| 1| 65.3200| 29| 28| 1| 591.3000| 0| 0.0000| 0| 0| 782.4000| 4| 1458| 0.8571|
| 1| 440875| 1| 1| 0| 37.6500| 1| 1| 0| 45| 1072| 1| 1| 13.5500| 26| 23| 0| 0.0000| 0| 0.0000| 0| 0| 119.6000| 3| 1511| 0.0400|
| 2| 878242| 2| 0| 1| 93.7300| 1| 0| 2| 54| 1404| 0| …