ee.FeatureCollection.aggregate_product

  • Aggregates the product of values for a specified property in a collection.

  • Returns a single number as the result of the aggregation.

  • Requires a FeatureCollection and a string representing the property name as arguments.

  • Provides examples in both JavaScript and Python for calculating the product of power plant capacities.

 Aggregates over a given property of the objects in a collection, calculating the product of the values of the selected property.

UsageReturns
FeatureCollection.aggregate_product(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('Product of power plant capacities (MW)',
      fc.aggregate_product('capacitymw'));  // 2.149198109e+109

Python setup

See the Python Environment page for information on the Python API and using geemap for interactive development.

import ee
import geemap.core as geemap

Colab (Python)

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

print('Product of power plant capacities (MW):',
      fc.aggregate_product('capacitymw').getInfo())  # 2.149198109e+109