You can apply various tools to remove columns of data and rows based on conditions you define. For more information on how to permanently remove rows and columns of data from the sample and the dataset, see Remove Data.
Filter Data Grid
You can make selections in the data grid interface to filter the sampled data that is displayed in the data grid.
Depending on your current tasks, you may want to hide columns or rows of the sample, so that you can focus on the task at hand.
- The displayed sample for smaller datasets may be the full dataset.
- Columns or filtered rows that are hidden from view are not removed from the dataset. They are included in any output. Please note that hidden columns can be affected by recipe steps. You should get in the habit of reviewing the Visible Columns panel and the Filters panel before running a job.
NOTE: Data grid filters do not remove any data. They can be used to hide data that is not important for the task at hand. The hidden data is still part of the sample and the full dataset.
Toggle display of columns
- To toggle display of a single column in the data grid, select the drop-down next to the column name. Then, select Edit column > Hide.
To show a hidden column, click the Eye icon in the status bar at the bottom of the page. In the Visible Columns panel, click the Eye icon next to the column name. The column is displayed again in the data grid or column browser.
Tip: You can use the Visible Columns panel to toggle the display of single columns or multiple columns at the same time.
- You can also hide one or more columns through the Column Browser:
- In the Transformer page, click the Columns icon in the toolbar.
- In the Column Browser, select the column or columns to hide. From the Actions drop-down, select Edit > Hide.
- Hidden columns must be resurfaced through the Visible Columns panel.
Filter the data grid
In the data grid panel, you can apply row- or column-based filters. At the top of the data grid, click Filters. In the Filter panel:
Columns: Search for individual columns or filter columns of a specific type. Filtered columns are displayed, and the rest are hidden.
- Rows: Highlight search term matches found in any column for a row.
Filter during previews
When you are constructing transforms, the expected results are previewed in the data grid. As needed, you can narrow the display to only the affected rows, columns, or both. Select the appropriate checkbox or checkboxes in the status bar at the bottom of the Transformer page.
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