{"Entry":{"collection":"func","key":"regr-syy","name":"regr_syy","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.1","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.2"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"10"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"a6427b71bfd6618ef9f60e912542f96fd806b00e1ffcf675de29da91397fc09f","derived_content_hash":"91a4218b66052c06a4ba7f786e4100d006609fc4a0306515ab7da89d388ead02","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:d4f389b5f2ea61a00578d38718d5aeafb46f7216359cc16fa54ba41bd6432890","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"8.2","group":"aggregate","group_label":"Aggregate Functions","groups":["aggregate"],"imported_at":"2026-09-27T17:57:28.962114+08:00","last_version":"20","name":"regr_syy","name_key":"regr_syy","position":21047,"present_in":["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"],"repair_provenance":{"original_source_revision":"wiki-repair-20261023:59704721e7346d22835dc9c027e6c3383a9fa63b36e33ce4aaab81e0eea73a4a","receipt_sha256":"28a0f8d8e20732160730e89aa9d0eb35ea33fc0e1056e7d65047996ac2fb050e","repair":"wiki-repair-20261023"},"signature":"regr_syy ( Y double precision, X double precision ) → double precision","signature_count":1,"slug":"regr-syy","source_rev":"wiki-repair-20261023:d4f389b5f2ea61a00578d38718d5aeafb46f7216359cc16fa54ba41bd6432890","summary":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","summary_zh":""}},"Definition":{"Collection":"func","Key":"regr-syy","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"regr-syy","SourceRevision":"wiki-repair-20261023:d4f389b5f2ea61a00578d38718d5aeafb46f7216359cc16fa54ba41bd6432890","Facts":{"description":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","description_html":"Computes the \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","description_zh":"计算因变量的“平方和”，即 sum(Y^2) - sum(Y)^2/N。","description_zh_html":"计算因变量的\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即 \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e。","doc":{"anchor":"FUNCTIONS-AGGREGATE-STATISTICS-TABLE","file":"functions-aggregate.html","sha256":"31d3dcd36ef353484b4b3535f9f0d1cc239c3910146257fe5178f99b90b501e2","slug":"18"},"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"},"group":"aggregate","group_label":"聚合函数","lang":"en","layout":"table-new","pages":["functions-aggregate.html"],"prose_only":false,"signatures":[{"description":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","description_html":"Computes the \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","description_zh":"计算因变量的“平方和”，即 sum(Y^2) - sum(Y)^2/N。","description_zh_html":"计算因变量的\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即 \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e。","examples":[],"html":"\u003ccode class=\"function\"\u003eregr_syy\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eX\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"regr_syy ( Y double precision, X double precision ) → double precision","zh_from":"same-version-manual"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/functions-aggregate.html","sha256":"68da7af09e2749a855188bbbff99ae036fc7eece4e19b8e048baffd28aa3ca59"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-manual"},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-AGGREGATE-STATISTICS-TABLE","file":"functions-aggregate.html","sha256":"31d3dcd36ef353484b4b3535f9f0d1cc239c3910146257fe5178f99b90b501e2","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"regr-syy","SourceDatabase":"center","Version":"18","Locale":"en","Title":"regr_syy","Summary":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","BodyHTML":"Computes the \u003cspan\u003e“\u003cspan\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode\u003esum(\u003cem\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","SourceRevision":"wiki-repair-20261023:d4f389b5f2ea61a00578d38718d5aeafb46f7216359cc16fa54ba41bd6432890","ContentHash":"57a8b0854af36a3b3a8af086284c6b7de538d89abc833f795a6ed6f67d93087f","Payload":{"description":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","description_html":"Computes the \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","signatures":[{"description":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","description_html":"Computes the \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","description_zh":"计算因变量的“平方和”，即 sum(Y^2) - sum(Y)^2/N。","description_zh_html":"计算因变量的\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即 \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e。","examples":[],"html":"\u003ccode class=\"function\"\u003eregr_syy\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eX\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"regr_syy ( Y double precision, X double precision ) → double precision","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","8.2","8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"a658ea3d612f0b2cba330faf00896deecfeae51329bee418c45369f5d42ddad9","Text":"regr_syy ( Y double precision, X double precision ) → double precision","Returns":"double precision","Payload":{"description":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - sum(Y)^2/N.","description_html":"Computes the \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003esum of squares\u003c/span\u003e”\u003c/span\u003e of the dependent variable, \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e.","description_zh":"计算因变量的“平方和”，即 sum(Y^2) - sum(Y)^2/N。","description_zh_html":"计算因变量的\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即 \u003ccode class=\"literal\"\u003esum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e^2) - sum(\u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e)^2/\u003cem class=\"parameter\"\u003e\u003ccode\u003eN\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e。","examples":[],"html":"\u003ccode class=\"function\"\u003eregr_syy\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003eY\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eX\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"regr_syy ( Y double precision, X double precision ) → double precision","zh_from":"same-version-manual"}}],"Spellings":null,"SQLState":null,"Evidence":null}