1. Right-click the column and select Keyword extraction from the context menu.
2. Provide a name to the resultant column in the New column name section.
3. Provide the maximum number of keywords you wish to extract from the column data under the Maximum keywords to extract field.
4. Provide the maximum number of keywords available in a phrase under the Maximum keywords in key phrases field. This indicates the maximum number of words in a single keyword set. For example, for the sentence "Operating System", the key length value can only be up to 2.
5. Select the type of keywords you wish to extract. The different types of keywords that can be extracted are:
Only valid keywords
- extracts only the valid keywords from each cell.
Ranked keywords
- extracts and scores keywords from each cell.
Ranked keywords with index - extracts and ranks keywords along with index and frequency from each cell.
6. DataPrep shows a live preview of the column during the transform. You can click the
Preview
button at the bottom of the side panel to preview the output column.
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