From 0f40a99a128981cc1345365b5aded24735d471eb Mon Sep 17 00:00:00 2001 From: benbiti Date: Sat, 27 Feb 2021 20:20:53 +0800 Subject: [PATCH] WIP update-aggregate-funcions-in-zh --- .../zh/sql-reference/aggregate-functions/reference.md | 11 ----------- .../aggregate-functions/reference/stddevpop.md | 6 +++--- .../aggregate-functions/reference/stddevsamp.md | 6 +++--- 3 files changed, 6 insertions(+), 17 deletions(-) diff --git a/docs/zh/sql-reference/aggregate-functions/reference.md b/docs/zh/sql-reference/aggregate-functions/reference.md index 294847ea207..256ad9f34f9 100644 --- a/docs/zh/sql-reference/aggregate-functions/reference.md +++ b/docs/zh/sql-reference/aggregate-functions/reference.md @@ -561,20 +561,9 @@ SELECT quantileTDigestWeighted(number, 1) FROM numbers(10) -## stddevSamp(x) {#stddevsampx} - -结果等于平方根 `varSamp(x)`。 - -!!! note "注" - 该函数使用数值不稳定的算法。 如果你需要 [数值稳定性](https://en.wikipedia.org/wiki/Numerical_stability) 在计算中，使用 `stddevSampStable` 功能。 它的工作速度较慢，但提供较低的计算错误。 ## stddevPop(x) {#stddevpopx} -结果等于平方根 `varPop(x)`。 - -!!! note "注" - 该函数使用数值不稳定的算法。 如果你需要 [数值稳定性](https://en.wikipedia.org/wiki/Numerical_stability) 在计算中，使用 `stddevPopStable` 功能。 它的工作速度较慢，但提供较低的计算错误。 - ## topK(N)(x) {#topknx} 返回指定列中近似最常见值的数组。 生成的数组按值的近似频率降序排序（而不是值本身）。 diff --git a/docs/zh/sql-reference/aggregate-functions/reference/stddevpop.md b/docs/zh/sql-reference/aggregate-functions/reference/stddevpop.md index 58f8c27cd72..378ef4ae7e4 100644 --- a/docs/zh/sql-reference/aggregate-functions/reference/stddevpop.md +++ b/docs/zh/sql-reference/aggregate-functions/reference/stddevpop.md @@ -4,7 +4,7 @@ toc_priority: 30 # stddevPop {#stddevpop} -The result is equal to the square root of [varPop](../../../sql-reference/aggregate-functions/reference/varpop.md). +结果等于 [varPop] (../../../sql-reference/aggregate-functions/reference/varpop.md)的平方根。 -!!! note "Note" - This function uses a numerically unstable algorithm. If you need [numerical stability](https://en.wikipedia.org/wiki/Numerical_stability) in calculations, use the `stddevPopStable` function. It works slower but provides a lower computational error. +!!! note "注" +该函数使用数值不稳定的算法。 如果你需要 [数值稳定性](https://en.wikipedia.org/wiki/Numerical_stability) 在计算中，使用 `stddevPopStable` 函数。 它的工作速度较慢，但提供较低的计算错误。 diff --git a/docs/zh/sql-reference/aggregate-functions/reference/stddevsamp.md b/docs/zh/sql-reference/aggregate-functions/reference/stddevsamp.md index 4ec72881ae5..68a348146a9 100644 --- a/docs/zh/sql-reference/aggregate-functions/reference/stddevsamp.md +++ b/docs/zh/sql-reference/aggregate-functions/reference/stddevsamp.md @@ -4,7 +4,7 @@ toc_priority: 31 # stddevSamp {#stddevsamp} -The result is equal to the square root of [varSamp](../../../sql-reference/aggregate-functions/reference/varsamp.md). +结果等于 [varSamp] (../../../sql-reference/aggregate-functions/reference/varsamp.md)的平方根。 -!!! note "Note" - This function uses a numerically unstable algorithm. If you need [numerical stability](https://en.wikipedia.org/wiki/Numerical_stability) in calculations, use the `stddevSampStable` function. It works slower but provides a lower computational error. +!!! note "注" +该函数使用数值不稳定的算法。 如果你需要 [数值稳定性](https://en.wikipedia.org/wiki/Numerical_stability) 在计算中，使用 `stddevSampStable` 函数。 它的工作速度较慢，但提供较低的计算错误。