Financial Modeling
Window functions, rankings, moving averages and multi-metric aggregation.
start timed mock interview- 1Rank salaries within departmentAirbnb-style ranking within grouphard
- 2Second highest salary per departmentMeta-style nth-value per grouphard
- 3Multi-column aggregationFinance-style multi-metric rollupmedium
- 4Rank within groupsAirbnb-style rank within grouphard
- 5Moving averageFinance-style moving averagemedium
- 6Normalize a feature listpython ยท functions, mathmedium