{"id":77,"date":"2023-08-05T17:04:07","date_gmt":"2023-08-05T17:04:07","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%8b%e1%85%a7%e1%86%a8%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%92%e1%85%a2%e1%86%bc%e1%84%85%e1%85%a7%e1%86%af\/"},"modified":"2023-08-05T17:04:07","modified_gmt":"2023-08-05T17:04:07","slug":"%e1%84%8b%e1%85%a7%e1%86%a8%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%92%e1%85%a2%e1%86%bc%e1%84%85%e1%85%a7%e1%86%af","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%8b%e1%85%a7%e1%86%a8%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%92%e1%85%a2%e1%86%bc%e1%84%85%e1%85%a7%e1%86%af\/","title":{"rendered":"\uacf5\ubd84\uc0b0 \ud589\ub82c"},"content":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8 \uacf5\uc2dd\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc778 \uc608\uc640 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uc18d\uc131\uc744 \ud1b5\ud574 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-matriz-de-covarianza\"><\/span> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\uacf5\ubd84\uc0b0 \ud589\ub82c\uc740<\/strong> \uc5f0\uad6c\ub41c \ubcc0\uc218\uc758 \ubd84\uc0b0\uacfc \uacf5\ubd84\uc0b0\uc744 \uc694\uc18c\ub85c \ud558\ub294 \uc815\uc0ac\uac01 \ud589\ub82c\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uc8fc\ub300\uac01\uc120\uc758 \uc694\uc18c\ub294 \uac01 \ubcc0\uc218\uc758 \ubd84\uc0b0\uc774\uace0 \ub098\uba38\uc9c0 \uc694\uc18c\ub294 \ubcc0\uc218 \uac04\uc758 \uacf5\ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/p>\n<p> \ud1b5\uacc4\uc5d0\uc11c \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ub450 \uac1c \uc774\uc0c1\uc758 \ud655\ub960 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ubd84\uc11d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ubcc0\uc218\uc758 \ubaa8\ub4e0 \uacf5\ubd84\uc0b0 \uac12\uc744 \ub3d9\uc2dc\uc5d0 \ubcfc \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \ubcc0\uc218 \uc0ac\uc774\uc758 \uc0c1\uad00\uad00\uacc4\ub97c \ube60\ub974\uac8c \ud574\uc11d\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uae30\ud638\ub294 \uadf8\ub9ac\uc2a4 \ub300\ubb38\uc790 \uc2dc\uadf8\ub9c8(\u03a3)\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-calcular-la-matriz-de-covarianza\"><\/span> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc5ec\ub7ec \ud1b5\uacc4\ubcc0\uc218\uc758 <strong>\uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \uacc4\uc0b0<\/strong> \ud558\ub824\uba74 \ub2e4\uc74c \ub2e8\uacc4\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:14px\"> <span style=\"color:#101010;font-weight: normal;\">\ubaa8\ub4e0 \ubcc0\uc218\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:14px\"> <span style=\"color:#101010;font-weight: normal;\">\uac01 \ubcc0\uc218 \uc30d\uc758 \uacf5\ubd84\uc0b0\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:8px\"> <span style=\"color:#101010;font-weight: normal;\">\uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4.<\/span><\/li>\n<ul style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:8px\"> <span style=\"color:#101010;font-weight: normal;\">\ubcc0\uc218 <em>i<\/em> \uc758 \ubd84\uc0b0\uc740 \ud589\ub82c\uc758 \uc8fc\ub300\uac01\uc120, \ubcf4\ub2e4 \uc815\ud655\ud558\uac8c\ub294 <em>i,i<\/em> \uc704\uce58\uc5d0 \ubc30\uce58\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:8px\"> <span style=\"color:#101010;font-weight: normal;\">\ubcc0\uc218 <em>i<\/em> \uc640 <em>j<\/em> \uc0ac\uc774\uc758 \uacf5\ubd84\uc0b0\uc740 \ud589\ub82c\uc758 <em>i,j<\/em> \uc704\uce58\uc5d0 \ubc30\uce58\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<\/ol>\n<p> \ub530\ub77c\uc11c <strong>\uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uacf5\uc2dd\uc740<\/strong> \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matrice-de-covariance.png\" alt=\"\uacf5\ubd84\uc0b0 \ud589\ub82c\" class=\"wp-image-1714\" width=\"602\" height=\"219\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-matriz-de-covarianza\"><\/span> \uacf5\ubd84\uc0b0 \ud589\ub82c \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uc815\uc758\ub97c \ubcf8 \ud6c4, \uc544\ub798\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ud589\ub82c\uc774 \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4\uc9c0\ub294\uc9c0 \ub2e8\uacc4\ubcc4\ub85c \uc5f0\uc2b5\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uac12\uc774 \ub2e4\uc74c\uacfc \uac19\uc740 \ubcc0\uc218 X, Y \ubc0f Z\uc758 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \uc5d1\uc2a4: 4, 7, 12, 5, 7<\/li>\n<li> \uadf8\ub9ac\uace0: 9, 15, 19, 6, 8<\/li>\n<li> Z: 7, 2, 4, 6, 3<\/li>\n<\/ul>\n<p> \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \ubaa8\ub4e0 \ubcc0\uc218\uc758 \ubd84\uc0b0\uc744 \ud655\uc778\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-246675afb851649ad3289cc9fdd86de8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=7,6\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"111\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-04c40f4402759ea0ba6b1507f0865564_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(Y)=23,44\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"127\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3b9aa0b6c1af85b98c41d6e91c2d42ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(Z)=3,44\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"118\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 20px; padding-left: 30px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\ucc38\uace0:<\/strong> <a href=\"https:\/\/statorials.org\/ko\/\u1107\u1167\u11ab\u1112\u116a\/\">\uac04\uaca9 \uacc4\uc0b0\uae30<\/a><\/div>\n<p> \ub458\uc9f8, \uac01 \ubcc0\uc218 \uc30d \uac04\uc758 \uacf5\ubd84\uc0b0\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-997ada9147a8e29f8e808795aebb7c90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Cov(X,Y)=11,2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"140\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-e7c4b2aa6cd24dabf9c4538030f30b1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Cov(X,Z)=-2,6\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"145\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3f9c1dab7f4691d9a35e56e3e166d919_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Cov(Y,Z)=-4,36\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"150\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 20px; padding-left: 30px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\ucc38\uace0:<\/strong> <a href=\"https:\/\/statorials.org\/ko\/\u1100\u1169\u11bc\u1107\u116e\u11ab\u1109\u1161\u11ab\/\">\uacf5\ubd84\uc0b0 \uacc4\uc0b0\uae30<\/a><\/div>\n<p> \uadf8\ub9ac\uace0 \ubaa8\ub4e0 \ubd84\uc0b0\uacfc \uacf5\ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\uace0 \ub098\uba74 \ub0a8\uc740 \uac83\uc740 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \ub9cc\ub4dc\ub294 \uac83\ubfd0\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ud589\ub82c\uc758 \uc8fc\ub300\uac01\uc120\uc5d0 \ubd84\uc0b0 \uac12\uc744 \ubc30\uce58\ud558\uace0 \ud574\ub2f9 \uc704\uce58\uc5d0 \uacf5\ubd84\uc0b0 \uac12\uc744 \ubc30\uce58\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3a423b40ad6d25b57327b1f3dccd5df4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\Sigma=\\begin{pmatrix}Var(X)&amp;Cov(X,Y)&amp;Cov(X,Z)\\\\[1.5ex]Cov(Y,X)&amp;Var(Y)&amp;Cov(Y,Z)\\\\[1.5ex]Cov(Z,X)&amp;Cov(Z,Y)&amp;Var(Z)\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"342\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-d90c58cc3c8ecef6a85c88196e1dd08d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\Sigma=\\begin{pmatrix}7,6&amp;11,2&amp;-2,6\\\\[1.5ex]11,2&amp;23,44&amp;-4,36\\\\[1.5ex]-2,6&amp;-4,36&amp;3,44\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"231\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c, \ubd84\uc0b0\uacfc \uacf5\ubd84\uc0b0\uc744 \ud589\ub82c\ub85c \ud45c\ud604\ud558\uba74 \ubcc0\uc218\ub97c \ud574\uc11d\ud558\uae30\uac00 \ub9e4\uc6b0 \uc27d\uc2b5\ub2c8\ub2e4. \ubd84\uc0b0\uc774 \uac00\uc7a5 \ud070 \ubcc0\uc218\ub294 Y(23.44)\uc785\ub2c8\ub2e4. \ubc18\uba74 \ubcc0\uc218 X\uc640 Y\ub294 \uc9c1\uc811\uc801\uc778 \uad00\uacc4\uac00 \uc788\ub294 \ubc18\uba74 \ubcc0\uc218 X\uc640 Z(\ub530\ub77c\uc11c Y\uc640 Z)\ub294 \uc5ed\uc758 \uad00\uacc4\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub450 \ubcc0\uc218 \uc0ac\uc774\uc758 \uacf5\ubd84\uc0b0\uc740 \ubcc0\uc218\uc758 \uc21c\uc11c\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ud56d\uc0c1 \ub300\uce6d\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4,<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-eba027bd1998d2c1dbe59f1b512ab953_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Cov(X,Y)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"82\" style=\"vertical-align: -5px;\"><\/p>\n<p> \ub3d9\uc77c\ud558\ub2e4<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-def16a63c06994394f83cdc040bea555_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Cov(Y,X).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"85\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub610\ud55c \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ud56d\uc0c1 \uc815\uc0ac\uac01 \ud589\ub82c\uc774\uba70 \ud574\ub2f9 \ucc28\uc6d0\uc740 \ubcc0\uc218 \uc218\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0\uc5d0\ub294 \uc138 \uac1c\uc758 \ubcc0\uc218\uac00 \uc788\uc73c\ubbc0\ub85c 3&#215;3 \ud589\ub82c\uc774 \ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubcc0\uc218\uac00 \ub450 \uac1c\ub9cc \uc788\uc73c\uba74 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 2&#215;2\uac00 \ub429\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-matriz-de-covarianza\"><\/span> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ubcc0\uc218 \uac1c\uc218 \ucc28\uc218\uc758 \uc815\uc0ac\uac01 \ud589\ub82c\uc785\ub2c8\ub2e4.<\/li>\n<li> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ub300\uce6d\ud615\uc785\ub2c8\ub2e4. \uc774\ub294 \ud589\ub82c\uc758 \uc8fc\ub300\uac01\uc120\uc774 \ub300\uce6d\ucd95\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<li> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc740 \ud56d\uc0c1 \uc591\uc758 \uc900\uc815\ubd80\ud638\uc785\ub2c8\ub2e4.<\/li>\n<li> \uacf5\ubd84\uc0b0 \ud589\ub82c\uc758 \ud589\ub82c\uc2dd\uc740 0\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uacf5\ubd84\uc0b0 \ud589\ub82c\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8 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