Announcement: All noncommercial projects registered to use Earth Engine before April 15, 2025 must verify noncommercial eligibility to maintain access. If you have not verified by September 26, 2025, your access may be on hold.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-13 UTC."],[],["This documentation describes a reducer, `ee.Reducer.countDistinctNonNull()`, which calculates the number of unique, non-null input values. The reducer operates without any arguments and outputs a `Reducer` object. The key action is counting distinct values, excluding nulls. When provided, the default output name for the result of this calculation will be \"count\".\n"]]