ClickHouse/docs/en/sql-reference/aggregate-functions/reference/skewpop.md

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# skewPop {#skewpop}

Computes the [skewness](https://en.wikipedia.org/wiki/Skewness) of a sequence.

``` sql
skewPop(expr)
```

**Arguments**

`expr` — [Expression](../../../sql-reference/syntax.md#syntax-expressions) returning a number.

**Returned value**

The skewness of the given distribution. Type — [Float64](../../../sql-reference/data-types/float.md)

**Example**

``` sql
SELECT skewPop(value) FROM series_with_value_column;
```