We are not able to view the P-Coords graph for the selected attributes. Please help us How this graph will be reflected in Test data visualizer.
Release : 4.8
Component : CA Test Data Manager
In general, P-Coords (Paraller coords) display data based on data where it flows through several joins. So, if you do not have multiple joins on the column you choose in the visualizer, you will not see any information in the graph.
You can refer Data Visualization video available at below documentation link.