PYSPARK ACADEMY โข MODULE 14Window Functions
Define Window specifications with partitionBy and orderBy, generate unique row numbers, calculate dense ranks, and inspect lag/lead values.
Advanced๐ 8 Lessonsโญ 0 / 4770 XPโณ In Progress
0 / 8 Lessons Completed (0%) LESSON 105๐ Window Specification Foundations
โฑ 2 Mins โข โญ 550 XP โข Advanced
LESSON 106๐ Partitioning Data with partitionBy()
โฑ 2 Mins โข โญ 560 XP โข Advanced
LESSON 107๐ Chronological Ordering with orderBy()
โฑ 2 Mins โข โญ 570 XP โข Advanced
LESSON 108๐ Unique Row IDs with row_number()
โฑ 2 Mins โข โญ 590 XP โข Advanced
LESSON 109๐ Ranking with Gaps using rank()
โฑ 2 Mins โข โญ 600 XP โข Advanced
LESSON 110๐ Dense Ranking without Gaps with dense_rank()
โฑ 2 Mins โข โญ 610 XP โข Advanced
LESSON 111๐ Fetching Prior Row Values with lag()
โฑ 2 Mins โข โญ 630 XP โข Advanced
LESSON 112๐ Looking Ahead to Next Steps with lead()
โฑ 3 Mins โข โญ 660 XP โข Advanced