ee.FeatureCollection.aggregate_sum

Aggregates over a given property of the objects in a collection, calculating the sum of the values of the selected property.
UsageReturns
FeatureCollection.aggregate_sum(property)Number
ArgumentTypeDetails
this: collectionFeatureCollectionThe collection to aggregate over.
propertyStringThe property to use from each element of the collection.

Examples

Code Editor (JavaScript)

// FeatureCollection of power plants in Belgium.
var fc = ee.FeatureCollection('WRI/GPPD/power_plants')
             .filter('country_lg == "Belgium"');

print('Sum of power plant capacities (MW)',
      fc.aggregate_sum('capacitymw'));  // 13288.600000000002