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Create a reducer that will compute a histogram of the inputs. The output is a Nx2 array of the lower bucket bounds and the counts (or cumulative counts) of each bucket, and is suitable for use per-pixel.

ee.Reducer.autoHistogram(maxBuckets, minBucketWidth, maxRaw, cumulative)Reducer
maxBucketsInteger, default: nullThe maximum number of buckets to use when building a histogram; will be rounded up to a power of 2.
minBucketWidthFloat, default: nullThe minimum histogram bucket width, or null to allow any power of 2.
maxRawInteger, default: nullThe number of values to accumulate before building the initial histogram.
cumulativeBoolean, default: false