regr_slope

Computes the slope of the least-squares-fit linear equation determined by the (X, Y) pairs.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

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group: aggregate
group label: 聚合函数
lang: en
layout: table-new
pages: functions-aggregate.html
prose only: false

Definition PG 18

Computes the slope of the least-squares-fit linear equation determined by the (X, Y) pairs.

Signatures and overloads

regr_slope ( Y double precision, X double precision ) → double precision → double precision

Computes the slope of the least-squares-fit linear equation determined by the (X, Y) pairs.

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:2c0905d5a5bb094a897da9d5bfbfe6ef9a6811b074533a4755badb632927b8c8

Text language: en · wiki-repair-20261023:2c0905d5a5bb094a897da9d5bfbfe6ef9a6811b074533a4755badb632927b8c8