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28 lines
520 B
Markdown
28 lines
520 B
Markdown
---
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slug: /zh/sql-reference/aggregate-functions/reference/kurtpop
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sidebar_position: 153
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---
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# kurtPop {#kurtpop}
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计算给定序列的 [峰度](https://en.wikipedia.org/wiki/Kurtosis)。
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**语法**
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``` sql
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kurtPop(expr)
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```
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**参数**
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`expr` — 结果为数字的 [表达式](../../../sql-reference/syntax.md#syntax-expressions)。
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**返回值**
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给定分布的峰度。 类型 — [Float64](../../../sql-reference/data-types/float.md)
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**示例**
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``` sql
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SELECT kurtPop(value) FROM series_with_value_column;
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