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ee.FeatureCollection.aggregate_min
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
匯總集合中物件的指定屬性，並計算所選屬性的最小值。
| 用量 | 傳回 |
|---|
FeatureCollection.aggregate_min(property) | |
| 引數 | 類型 | 詳細資料 |
|---|
這個：collection | FeatureCollection | 要匯總的集合。 |
property | 字串 | 要從集合的每個元素使用的屬性。 |
範例
程式碼編輯器 (JavaScript)
// FeatureCollection of power plants in Belgium.
var fc = ee.FeatureCollection('WRI/GPPD/power_plants')
.filter('country_lg == "Belgium"');
print('Min of power plant capacities (MW)',
fc.aggregate_min('capacitymw')); // 1.8
Python 設定
請參閱
Python 環境頁面，瞭解 Python API 和如何使用 geemap 進行互動式開發。
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"')
print('Min of power plant capacities (MW):',
fc.aggregate_min('capacitymw').getInfo()) # 1.8
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上次更新時間：2025-07-26 (世界標準時間)。
[null,null,["上次更新時間：2025-07-26 (世界標準時間)。"],[[["\u003cp\u003e\u003ccode\u003eaggregate_min\u003c/code\u003e calculates the minimum value of a specified property within a FeatureCollection.\u003c/p\u003e\n"],["\u003cp\u003eIt takes the FeatureCollection and the property name as input.\u003c/p\u003e\n"],["\u003cp\u003eThe result is the minimum value of the specified property across all features in the collection.\u003c/p\u003e\n"],["\u003cp\u003eThis function is useful for finding the lowest value of a specific attribute within a dataset.\u003c/p\u003e\n"]]],[],null,["# ee.FeatureCollection.aggregate_min\n\nAggregates over a given property of the objects in a collection, calculating the minimum of the values of the selected property.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------------------------|---------|\n| FeatureCollection.aggregate_min`(property)` | |\n\n| Argument | Type | Details |\n|--------------------|-------------------|----------------------------------------------------------|\n| this: `collection` | FeatureCollection | The collection to aggregate over. |\n| `property` | String | The property to use from each element of the collection. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// FeatureCollection of power plants in Belgium.\nvar fc = ee.FeatureCollection('WRI/GPPD/power_plants')\n .filter('country_lg == \"Belgium\"');\n\nprint('Min of power plant capacities (MW)',\n fc.aggregate_min('capacitymw')); // 1.8\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# FeatureCollection of power plants in Belgium.\nfc = ee.FeatureCollection('WRI/GPPD/power_plants').filter(\n 'country_lg == \"Belgium\"')\n\nprint('Min of power plant capacities (MW):',\n fc.aggregate_min('capacitymw').getInfo()) # 1.8\n```"]]
