{"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","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"],"signature":"regr_syy ( Y double precision, X double precision ) → double precision","signature_count":1,"slug":"regr-syy","source_rev":"b7bd9cda","summary":"Computes the “sum of squares” of the dependent variable, sum(Y^2) - 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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":"","description_zh_html":"","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":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-AGGREGATE-STATISTICS-TABLE","file":"functions-aggregate.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"regr-syy","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"regr_syy","Summary":"计算因变量的“平方和”，即sum(Y^2) - sum(Y)^2/N。","BodyHTML":"计算因变量的\u003cspan\u003e“\u003cspan\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即\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。\u003cpre\u003eregr_syy ( Y double precision, X double precision ) → double precision\u003c/pre\u003e计算因变量的\u003cspan\u003e“\u003cspan\u003e平方和\u003c/span\u003e”\u003c/span\u003e，即\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":"ca936764","ContentHash":"13dcbead8a551c065971f5d7c70aaba1d37488b54f2cddadf1aa6ec551adf36f","Payload":{"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。","signatures":[{"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。","returns":"double precision","text":"regr_syy ( Y double precision, X double precision ) → double precision","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","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":"","description_zh_html":"","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":""}}],"Spellings":null,"SQLState":null,"Evidence":null}