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This section contains reference documentation for the PERCENTILERAWKLL function.
Raw variant of the
PERCENTILEKLLwhich returns a Base64 encoded string of the KLLSketch object. The response can be deserialized back to a KLLSketch using Apache Datasketches library and used to do further analysis. For example you can use this approach to calculate the CDF (Cumulative Density Function) or PMF (Probability Mass Function) of a dataset.
PercentileRawKLL(column, percentile, kValue) -> Double
column(required): Name of the column to aggregate on. If the column is a multi value column, use
percentile(required): Percentile value to be calculated [0..100]. For 'raw' versions of the function, this value is used for ordering (ORDER BY).
select percentileRawKll(ArrDelayMinutes, 90) as sketch