Exploring the results of the nominal correlation analysis - Cloud - 7.3

Talend Studio User Guide

Talend Big Data
Talend Big Data Platform
Talend Cloud
Talend Data Fabric
Talend Data Integration
Talend Data Management Platform
Talend Data Services Platform
Talend ESB
Talend MDM Platform
Talend Real-Time Big Data Platform
Talend Studio
Design and Development
Last publication date
Available in...

Big Data Platform

Cloud API Services Platform

Cloud Big Data Platform

Cloud Data Fabric

Cloud Data Management Platform

Data Fabric

Data Management Platform

Data Services Platform

MDM Platform

Real-Time Big Data Platform

Before you begin

A nominal correlation analysis is defined and has been executed.

In the Analysis Results view of the analysis editor:


Click Graphics, Simple Statistics or Data to show the generated graphic, the number of the analyzed records or the actual data respectively.


The Graphics view shows the generated graphic for the analyzed columns.

To have a better view of the graphical result of the nominal correlation analysis, right-click the graphic in the Graphics panel and select Show in full screen.

In the above chart, each value in the country and marital-status columns is represented by a node that has a given color. Nominal correlation analysis is carried out to see the relationship between the number of married or single people and the country they live in. Correlations are represented by lines, the thicker the line is, the higher the association is - if the Inverse Edge Weight check box is selected.

The buttons below the chart help you manage the chart display. The following table describes these buttons and their usage:



Filter Edge Weight

Move the slider to the right to (filter out edges with small weight) visualize the more important edges.

plus and minus

Click the [+] or [-] buttons to respectively zoom in and zoom out the chart size.


Click to put the chart back to its initial state.

Inverse Edge Weight

By default, the thicker the line is, the weaker the correlation is.

Select this check box to inverse the current edge weight, that is give larger edge thickness to higher correlation.


Select this check box to be able to pick any node and drag it to anywhere in the chart.

Save Layout

Click this button to save the chart layout.

Restore Layout

Click this button to restore the chart to its previously saved layout.

The Simple Statistics view shows the number of the analyzed records falling in certain categories, including the number of rows, the number of distinct and unique values and the number of duplicates.

The Data view displays the actual analyzed data.

You can sort the data listed in the result table by simply clicking any column header in the table.