SKEWNESS (Lakehouse v1)

Aggregate function.

The SKEWNESS() function returns the skewness of all input values.

Analyze Syntax

func.skewness(<expr>)

Analyze Examples

func.skewness(table.temperature).alias('temperature_skewness')

| temperature_skewness |
|----------------------|
|      0.68            |

SQL Syntax

SKEWNESS(<expr>)

Arguments

Arguments	Description
<expr>	Any numerical expression

Return Type

Nullable Float64.

SQL Examples

Create a Table and Insert Sample Data

CREATE TABLE temperature_data (
                                  id INT,
                                  city_id INT,
                                  temperature FLOAT
);

INSERT INTO temperature_data (id, city_id, temperature)
VALUES (1, 1, 60),
       (2, 1, 65),
       (3, 1, 62),
       (4, 2, 70),
       (5, 2, 75);

Query Demo: Calculate Skewness of Temperature Data

SELECT SKEWNESS(temperature) AS temperature_skewness
FROM temperature_data;

Result

| temperature_skewness |
|----------------------|
|      0.68            |