1. To explore it in a lens, click an Analytics dataset.By default, the initial measure is Count of Rows.
2. To open the Measures selection menu, click Count of Rows.
3. Click Sum, and click the measure you want to visualize. Note To count the number of unique occurrences of a measure or a dimension, click Unique, then select the measure or dimension you want to count.After you group the data, the chart displays the chosen measure by group value.