Announcement: All noncommercial projects registered to use Earth Engine beforeApril 15, 2025 mustverify noncommercial eligibility to maintain access. If you have not verified by September 26, 2025, your access may be on hold.

ee.FeatureCollection.aggregate_histogram

  • Aggregates a collection of objects to calculate a histogram of a specified property.

  • Usage involves applyingaggregate_histogram(property) to aFeatureCollection.

  • The method takes aFeatureCollection and a String property name as arguments.

  • It returns a Dictionary representing the histogram of the specified property.

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

UsageReturns
FeatureCollection.aggregate_histogram(property)Dictionary
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.varfc=ee.FeatureCollection('WRI/GPPD/power_plants').filter('country_lg == "Belgium"');print('Histogram of power plant capacities (MW)',fc.aggregate_histogram('capacitymw'));// Dictionary

Python setup

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

importeeimportgeemap.coreasgeemap

Colab (Python)

# FeatureCollection of power plants in Belgium.fc=ee.FeatureCollection('WRI/GPPD/power_plants').filter('country_lg == "Belgium"')display('Histogram of power plant capacities (MW):',fc.aggregate_histogram('capacitymw'))# Dictionary

Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2023-10-06 UTC.