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/en/sql-reference/aggregate-functions/reference/kurtsamp | 154 |
kurtSamp
Computes the sample kurtosis of a sequence.
It represents an unbiased estimate of the kurtosis of a random variable if passed values form its sample.
kurtSamp(expr)
Arguments
expr
— Expression returning a number.
Returned value
The kurtosis of the given distribution. Type — Float64. If n <= 1
(n
is a size of the sample), then the function returns nan
.
Example
SELECT kurtSamp(value) FROM series_with_value_column;