regr_sxy

Computes the “sum of products” of independent times dependent variables, sum(X*Y) - sum(X) * sum(Y)/N.

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

Reading PG 18·Select a recorded version

8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

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 “sum of products” of independent times dependent variables, sum(X*Y) - sum(X) * sum(Y)/N.

Signatures and overloads

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

Computes the “sum of products” of independent times dependent variables, sum(X*Y) - sum(X) * sum(Y)/N.

Compare versions

Complete source facts

documentation revision

{"inputs":[{"file":"functions-aggregate.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"31d3dcd36ef353484b4b3535f9f0d1cc239c3910146257fe5178f99b90b501e2","version":"18.7"},{"file":"functions-aggregate.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"0bf7506d27b71666fc74840a21a8f77c8a92735174f1d05033865961722e457c","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}

Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:666d619fb6d08ba2506219ea4afe654ba6c4a00a8ddf90101eb0abb19f17a60a

Text language: en · wiki-repair-20261023:666d619fb6d08ba2506219ea4afe654ba6c4a00a8ddf90101eb0abb19f17a60a