These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Aggregator deriving the column value from the other columns of the
same row, for example a Total column summing quarterly columns.
When provided as a string, that Formula processor function is applied to every row of the column. When provided as a callback, it is invoked per row and should return a registered function name, or a falsy value to skip aggregation and leave the column's own data in place.
The aggregated cells are derived, so they are never editable. Without
an explicit dataType, the column is assumed numeric. Its header and
body cells always carry the hcg-summary-column class, so no
className is needed to style them. By default the values are
resolved per rendered cell and therefore stay out of sorting,
filtering and exports - set materialize to change that.
Aggregating the rows of one column instead is what rowAggregator
and summaryRows do.