The Compare feature allows comparing a set of data objects against a base set of data objects to identify changes and data drift. For example, you may want to compare last week's data with the data from the last three months to see if the trends are similar or diverging. The Compare option is only available for Explore jobs. All the data from old datasets are displayed with round dots, and the data from new datasets are displayed with plus dots.
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Basic Compare
Prerequisites
A compare job can be specified with a base job on the same dataset, and the base job must be of Explore type.
The compare job and base job must be defined using the same catalog table.
The base job must not use KSEGMENT as the embedder.
Job submission
The job creation flow is similar to any other job
Navigate to the catalog, and click the 'Visualize' button.
In the job submission screen, select 'Compare' type of job and the base job from a drop-down list of eligible base jobs
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Compare job submission
Click Submit.
Navigate to Repo > Dataset.
Once the job is in the 'Ready' state, click Visualize.
A sample visualization is as follows.
You can choose to view only Delta or Base points by selecting them from the Point Set drop-down list.