4.Group Loop

<p><strong>Loop on Groups of Data</strong></p><p>This workflow implements an example of a loop over a list of unique data groups using the <em>Group Loop Start</em> node. The goal of this workflow is the same as in the previous workflow "3. Loop on a List of Values": Calculate some statistics on sold products for each of the countries present in the <em>sales.csv</em> dataset.</p><p>In this case, the <em>Group Loop Start</em> node works more efficient as it is able to identify the unique groups and filter it respectively.</p>