Stack
The stack operation pivots a wide-format dataset into a long-format dataset by converting column headers into row values in a new column.
Example
Dataset:
| Country | Population | GDP |
|---|---|---|
| USA | 330000000 | 21000000 |
| China | 1400000000 | 15000000 |
| India | 1350000000 | 3000000 |
Stack the dataset:
| Country | Attribute | Value |
|---|---|---|
| USA | Population | 330000000 |
| USA | GDP | 21000000 |
| China | Population | 1400000000 |
| China | GDP | 15000000 |
| India | Population | 1350000000 |
| India | GDP | 3000000 |
Updated 5 months ago