支持聚合查询的函数会希望可以增加标准差std。另外希望支持对查询结果的二次过滤，类似mysql的having #4017

tkatt started this conversation in Ideas

tkatt
Sep 23, 2021

如题

Replies: 1 comment

HTHou
Sep 23, 2021
Collaborator

标准差目前可以通过加载 UDF 实现，可以参考参考这个
https://thulab.github.io/iotdb-quality/zh/InProgress/DataProfiling/Stddev.html

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