Effective in version 10.2, as a data analyst, you can cleanse, transform, combine, aggregate, and perform other operations on delimited HDFS files that are already in the lake. You can preview these files before adding them to a project. You can then configure the sampling settings of these assets and perform data preparation operations on them.

For more information, see the "Prepare Data" chapter in the

Informatica Intelligent Data Lake 10.2 User Guide

.