输入示例:
Artist Skill
1. Bono Vocals
2. Bono Vocals
3. Bono Vocals
4. Bono Guitar
5. Edge Vocals
6. Edge Guitar
7. Edge Guitar
8. Edge Guitar
9. Edge Bass
10. Larry Drum
11. Larry Drum
12. Larry Guitar
13. Clayton Bass
14. Clayton Bass
15. Clayton Guitar
相应的输出
艺术家最常用的技巧
1. Bono Vocals Edge Guitar Larry Drum Clayton Bass
我有一个dataframe,我想使用scala创建一个确定性代码来生成一个新的dataframe,其中每个不同的“艺术家”只有一行,而相应的艺术家则有最常见的“技能”。
1条答案
按热度按时间zbsbpyhn1#
你可以合并
groupBy
以及window
功能如下输出: