Send feedback Cloud Dataprep by Trifacta Documentation Documentation Discovery Tasks Use the techniques in the following topics to identify patterns, inconsistencies, and issues in your datasets. Topics: Explore Suggestions Find Missing DataManage Null Values Find Bad Data Locate Outliers Analyze across Multiple Columns Calculate Metrics across Columns Import Excel Data Parse fixed-width file and infer columns Filter Data Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated June 6, 2018.