AI-generated Key Takeaways
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Aggregates the count of non-null values for a specified property within a FeatureCollection.
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It requires a FeatureCollection and the name of the property to count.
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The result is a single number representing the total count of non-null values for that property.
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Examples demonstrate its use in both JavaScript and Python environments.
| Usage | Returns |
|---|---|
FeatureCollection.
aggregate_count
(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 non-null values for the fuel1 property' , fc . aggregate_count ( 'fuel1' )); // 66
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 ( 'Number of non-null values for the fuel1 property:' , fc . aggregate_count ( 'fuel1' )) # 66
