You can aggregate your data in a chart for the dataset using the granularity select in the filters above the charts. For example aggregating daily dataset by month.
To view related KPIs on the chart, select the KPI from the KPIs shown in the chart dropdown.
To filter the shown data in chart, select the filter using “include only” filter on the left side and then click on “add to chart” button.
You can merge visible charts into single chart using “absolute” option from the chart dropdown.