ee.List.frequency

Gibt die Anzahl der Elemente in der Liste zurück, die mit dem Element übereinstimmen.

NutzungAusgabe
List.frequency(element)Ganzzahl
ArgumentTypDetails
So gehts: listListe
elementObjekt

Beispiele

Code-Editor (JavaScript)

// An ee.Image list object.
var list = ee.List([0, 1, 2, 2, 3, 4]);
print('List of integers', list);

// The ee.List.frequency function is used to determine how many times a value is
// present in a list, e.g. what is the frequency of 0, 2, and 9 in the list.
print('Frequency of value 0', list.frequency(0));
print('Frequency of value 2', list.frequency(2));
print('Frequency of value 9', list.frequency(9));

Python einrichten

Informationen zur Python API und zur Verwendung von geemap für die interaktive Entwicklung finden Sie auf der Seite Python-Umgebung.

import ee
import geemap.core as geemap

Colab (Python)

# An ee.Image list object.
ee_list = ee.List([0, 1, 2, 2, 3, 4])
display('List of integer:', ee_list)

# The ee.List.frequency function is used to determine how many times a value is
# present in a list, e.g. what is the frequency of 0, 2, and 9 in the list.
display('Frequency of value 0:', ee_list.frequency(0))
display('Frequency of value 2:', ee_list.frequency(2))
display('Frequency of value 9:', ee_list.frequency(9))