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KURTOSIS

Aggregate function.

The KURTOSIS() function returns the excess kurtosis of all input values.

Syntax

KURTOSIS(<expr>)

Arguments

ArgumentsDescription
<expr>Any numerical expression

Return Type

Nullable Float64.

Example

Create a Table and Insert Sample Data

CREATE TABLE stock_prices (
id INT,
stock_symbol VARCHAR,
price FLOAT
);

INSERT INTO stock_prices (id, stock_symbol, price)
VALUES (1, 'AAPL', 150),
(2, 'AAPL', 152),
(3, 'AAPL', 148),
(4, 'AAPL', 160),
(5, 'AAPL', 155);

Query Demo: Calculate Excess Kurtosis for Apple Stock Prices

SELECT KURTOSIS(price) AS excess_kurtosis
FROM stock_prices
WHERE stock_symbol = 'AAPL';

Result

|     excess_kurtosis     |
|-------------------------|
| 0.06818181325581445 |