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ee.FeatureCollection.aggregate_count_distinct
Aggregates over a given property of the objects in a collection, calculating the number of distinct values for the selected property.
Usage Returns FeatureCollection. aggregate_count_distinct (property)
Number
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('Number of distinct power plant fuel sources',
fc.aggregate_count_distinct('fuel1')); // 7
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Last updated 2022-04-18 UTC.
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