You have imported the following racer data on heat times from a CSV file. When loaded in the Transformer page, it looks like the following:
|1||Racer||Heat 1||Heat 2||Heat 3|
In the above, the
(rowId) column references the row numbers displayed in the data grid; it is not part of the dataset. This information is available when you hover over the black dot on the left side of the screen.
You have examined the best performance in each heat according to the sample. You then notice that the data contains headers, but you forget how it was originally sorted. The data now looks like the following:
|2||Racer||Heat 1||Heat 2||Heat 3|
While you can undo your sort steps to return to the original sort order, this approach works best if you did not include other steps in between that are based on the sort order.
If you have steps that require retaining your sort steps, you can revert to the original sort order by adding this transform step:Then, you can create the header with the following simple step: If you need to retain the sort order and not revert to the original, you can do the following to the previous example data:
After you have applied the last
header transform, your data should look like the following:
You can sort by the
Racer column in ascending order to return to the original sort order.
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