ee.List.frequency

Returns the number of elements in list equal to element.

Usage	Returns
List.frequency(element)	Integer

Argument	Type	Details
this: list	List
element	Object

Examples

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 setup

See the Python Environment page for information on the Python API and using geemap for interactive development.

import ee
import geemap.core as geemap

Colab (Python)

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

# 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:', ee_list.frequency(0).getInfo())
print('Frequency of value 2:', ee_list.frequency(2).getInfo())
print('Frequency of value 9:', ee_list.frequency(9).getInfo())