List of Aggregate Functions
Standard aggregate functions:
- count
 - min
 - max
 - sum
 - avg
 - any
 - stddevPop
 - stddevSamp
 - varPop
 - varSamp
 - corr
 - covarPop
 - covarSamp
 - entropy
 - exponentialMovingAverage
 - intervalLengthSum
 - kolmogorovSmirnovTest
 - mannwhitneyutest
 - median
 - rankCorr
 - sumKahan
 - studentTTest
 - welchTTest
 
ClickHouse-specific aggregate functions:
- anyHeavy
 - anyLast
 - boundingRatio
 - first_value
 - last_value
 - argMin
 - argMax
 - avgWeighted
 - topK
 - topKWeighted
 - deltaSum
 - deltaSumTimestamp
 - groupArray
 - groupArrayLast
 - groupUniqArray
 - groupArrayInsertAt
 - groupArrayMovingAvg
 - groupArrayMovingSum
 - groupArraySample
 - groupArraySorted
 - groupArrayIntersect
 - groupBitAnd
 - groupBitOr
 - groupBitXor
 - groupBitmap
 - groupBitmapAnd
 - groupBitmapOr
 - groupBitmapXor
 - sumWithOverflow
 - sumMap
 - minMap
 - maxMap
 - skewSamp
 - skewPop
 - kurtSamp
 - kurtPop
 - uniq
 - uniqExact
 - uniqCombined
 - uniqCombined64
 - uniqHLL12
 - uniqTheta
 - quantile
 - quantiles
 - quantileExact
 - quantileExactLow
 - quantileExactHigh
 - quantileExactWeighted
 - quantileTiming
 - quantileTimingWeighted
 - quantileDeterministic
 - quantileTDigest
 - quantileTDigestWeighted
 - quantileBFloat16
 - quantileBFloat16Weighted
 - quantileDD
 - simpleLinearRegression
 - stochasticLinearRegression
 - stochasticLogisticRegression
 - categoricalInformationValue
 - contingency
 - cramersV
 - cramersVBiasCorrected
 - theilsU
 - maxIntersections
 - maxIntersectionsPosition
 - meanZTest
 - quantileGK
 - quantileInterpolatedWeighted
 - sparkBar
 - sumCount
 - largestTriangleThreeBuckets