You can delete the levels (or labels) from a single column, or from multiple columns by selecting each column before accessing the menu.
- To select multiple columns, hold down Ctrl while clicking the column headers.
Clearing Levels
- To delete the levels, from the menu select Spread | Factor | Clear Levels.
The column is still a factor but now just has ordinal values and perhaps labels.
Clearing Labels
- To delete the labels, from the menu select Spread | Factor | Clear Labels.
The column is still a factor but now just has ordinal values and perhaps levels.