Function useAggregation

A hook for aggregating data from the FiftyOne backend.

Aggregation Classes

.. csv-table:: :header: "JavaScript", "Python"

:js:class:Values, :py:class:fiftyone.core.aggregations.Values :js:class:Bounds, :py:class:fiftyone.core.aggregations.Bounds :js:class:Count, :py:class:fiftyone.core.aggregations.Count :js:class:CountValues, :py:class:fiftyone.core.aggregations.CountValues :js:class:Distinct, :py:class:fiftyone.core.aggregations.Distinct :js:class:HistogramValues, :py:class:fiftyone.core.aggregations.HistogramValues :js:class:Mean, :py:class:fiftyone.core.aggregations.Mean :js:class:Std, :py:class:fiftyone.core.aggregations.Std :js:class:Sum, :py:class:fiftyone.core.aggregations.Sum :js:class:Values, :py:class:fiftyone.core.aggregations.Values

Example

const [aggregate, points, loading] = foa.useAggregation({
  dataset,
  filters,
  view,
});

React.useEffect(() => {
  aggregate(
    [
      new foa.aggregations.Values({
        fieldOrExpr: "id",
      }),
      new foa.aggregations.Values({
        fieldOrExpr: `${path}.point.coordinates`,
      }),
    ],
    dataset.name
  );
}, [dataset, filters, view, path]);

Returns