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[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-13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."],[[["\u003cp\u003eThis reducer calculates the number of unique, non-null inputs.\u003c/p\u003e\n"],["\u003cp\u003eThe output is named "count" and represents the distinct input count.\u003c/p\u003e\n"],["\u003cp\u003eIt is used within the Earth Engine environment and has no input arguments.\u003c/p\u003e\n"]]],["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"],null,["# ee.Reducer.countDistinctNonNull\n\nReturns a Reducer that computes the number of distinct inputs, ignoring nulls. Where applicable, the output name is \"count\".\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-------------------------------------|---------|\n| `ee.Reducer.countDistinctNonNull()` | Reducer |\n\n**No arguments.**"]]