ee.FeatureCollection.aggregate_max

Page Summary

• The function aggregates over a collection to find the maximum value of a specified property.

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

• The function returns the maximum value found among the selected property across all elements in the collection.

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

Usage	Returns
FeatureCollection.aggregate_max(property)

Argument	Type	Details
this: collection	FeatureCollection	The collection to aggregate over.
property	String	The 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('Max of power plant capacities (MW)',
      fc.aggregate_max('capacitymw'));  // 2910

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"')

display('Max of power plant capacities (MW):',
        fc.aggregate_max('capacitymw'))  # 2910