Fold multiple columns¶
Perform the opposite of a pivot and fold a list of columns, transforming a wide dataset into a narrow one. This is also sometimes called a melt. This processor outputs two columns: one containing column names and the other containing column values.
Example¶
student |
math |
science |
arts |
|---|---|---|---|
Marie |
85 |
83 |
81 |
Caroline |
74 |
91 |
86 |
Paul |
70 |
85 |
89 |
Applying “Fold multiple columns” with class for folded column names and grade for folded values generates the following table:
student |
class |
grade |
|---|---|---|
Marie |
math |
85 |
Marie |
science |
83 |
Marie |
arts |
81 |
Caroline |
math |
74 |
Caroline |
science |
91 |
Caroline |
arts |
86 |
Paul |
math |
70 |
Paul |
science |
85 |
Paul |
arts |
89 |
Options¶
Column for folded column names
Column containing the names of folded columns.
Column for folded values
Column containing the values of folded columns.
Remove folded columns
Remove the now empty folded columns.