Pandas
13 practice items · needed by 4 roles
Easy 6Medium 5Hard 2
Practice questions
- Rows after a merge on duplicate keysmedium
- Counting missing values in pandaseasy
- pandas mean with a missing valueeasy
- value_counts with normalizeeasy
- groupby with transformmedium
- Row count after a mergemedium
- groupby with a missing keymedium
- Rolling mean at the edgeshard
- Counting missing values in pandaseasy
- Total sales per city in pandaseasy
- Rows after a pandas left mergemedium
- Filtering NaN with == in pandashard
- A CSV bigger than memoryeasy