| 摘要 |
Disclosed is a method of applying a function to a set of data. Initially a tabular representation ( 400 ) of the set of data is displayed, the representation comprising a plurality of columns ( 435, 410 etc.). The data in the representation is grouped ( 625 ) in each column based upon an order ( 615 ) of the at least one column ( 605, 610 ) in the tabular representation. The method also generates a new column ( 1915 ) of data comprising a transform of existing column data ( 1920 ) contained in the tabular representation, wherein transform data within the new column depends upon a grouping context of the existing column data. Desirably the method further repositions ( 2120, 2130 ) the new column of data in the tabular representation and updates the transform data in the new column in accordance with a destination grouping context of a destination position of the new column in the tabular representation.
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