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Tip: When cleaning up bad data, you should look to work from bigger problems to smaller problems. If a higher percentage of a column's values have been categorized as mismatched data, it may indicate a wider problem with the data. In affected rows, verify if other columns' values are also mismatched. These rows should be reviewed and fixed first. When fixed, other mismatches may be fixed in other rows, too. |
To locate data:
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NOTE: Remember that you are working on a sample of your data. For small datasets, the Initial Data sample includes all rows of the dataset and is unsampledIf the sample indicator at the top left corner of the Transformer page does not indicate Full Data, then some values in your full dataset may not be represented in the sample displayed in the grid. |
- From the Transformer page, click the mismatched values in a column's data quality bar to see their count, highlight them in the rows of the data grid, and trigger a set of suggestions for your review.
To refine the data grid view, click the Show Only Affected Rows checkbox in the status bar at the bottom of the screen. Only the rows that are affected by the previewed transform are displayed.
Tip Tip: This step highlights specific values that are mismatched. You can take note of individual values.
- To locate a specific value, click the Filters icon on the right side of the screen. In the Rows tab, enter the specific value to locate. Rows containing this value are highlighted. Back in the data grid, you can select one of these highlighted values to be prompted for suggestions.
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Tip: If possible, you should review and refer to an available schema of your dataset, as generated from the source system. If the data has also been mis-typed in the source system, you should fix it there as well, so any future exports from that system show the correct type. |
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NOTE: As needed, you can create custom data types for use in
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