ee.FeatureCollection.aggregate_sample_var

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

UsageReturns
FeatureCollection.aggregate_sample_var(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('Sample variance of power plant capacities (MW)',
      fc.aggregate_sample_var('capacitymw'));  // 217604.420018647