ee.List.frequency

Retorna o número de elementos na lista igual ao elemento.

UsoRetorna
List.frequency(element)Número inteiro
ArgumentoTipoDetalhes
isso: listLista
elementObjeto

Exemplos

Editor de código (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));

Configuração do Python

Consulte a página Ambiente Python para informações sobre a API Python e como usar geemap para desenvolvimento interativo.

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))