{"id":925,"date":"2023-07-28T07:07:38","date_gmt":"2023-07-28T07:07:38","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a9%e1%84%80%e1%85%ae%e1%84%8c%e1%85%a5%e1%86%a8-%e1%84%87%e1%85%a7%e1%86%ab%e1%84%89%e1%85%ae\/"},"modified":"2023-07-28T07:07:38","modified_gmt":"2023-07-28T07:07:38","slug":"%e1%84%83%e1%85%a9%e1%84%80%e1%85%ae%e1%84%8c%e1%85%a5%e1%86%a8-%e1%84%87%e1%85%a7%e1%86%ab%e1%84%89%e1%85%ae","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a9%e1%84%80%e1%85%ae%e1%84%8c%e1%85%a5%e1%86%a8-%e1%84%87%e1%85%a7%e1%86%ab%e1%84%89%e1%85%ae\/","title":{"rendered":"\ub3c4\uad6c\ubcc0\uc218: \uc815\uc758 \ubc0f \uc608"},"content":{"rendered":"<hr>\n<p><span style=\"color: #000000;\">\uc885\uc885 \ud1b5\uacc4\uc5d0\uc11c\ub294 \ud55c \ubcc0\uc218\uac00 \ub2e4\ub978 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd94\uc815\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc54c\uace0 \uc2f6\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uacf5\ubd80\ud558\ub294 \uc2dc\uac04\uc774 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/span><\/li>\n<li> <span style=\"color: #000000;\">\ud2b9\uc815 \uc57d\ubb3c\uc774 \ud608\uc555\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc2a4\ud2b8\ub808\uc2a4\ub294 \uc2ec\ubc15\uc218\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uac01 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc608\uce21 \ubcc0\uc218\uac00 <a href=\"https:\/\/statorials.org\/ko\/\u1107\u1167\u11ab\u1109\u116e-\u1109\u1165\u11af\u1106\u1167\u11bc-\u110b\u1173\u11bc\u1103\u1161\u11b8\/\" target=\"_blank\" rel=\"noopener noreferrer\">\ubc18\uc751 \ubcc0\uc218\uc5d0<\/a> \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc774\ud574\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub450 \ubcc0\uc218 \uc0ac\uc774\uc758 \uad00\uacc4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ub2e4\ub978 \ubcc0\uc218\uac00 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4 \ud2b9\uc815 \uc57d\ubb3c\uc744 \uc608\uce21 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uace0 \ud608\uc555\uc744 \ubc18\uc751 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ud608\uc555\uc5d0 \ub300\ud55c \uc57d\ubb3c\uc758 \ud6a8\uacfc\uc5d0\ub9cc \uad00\uc2ec\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9826 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variable-instrumentale1.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"396\" height=\"134\"><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub7ec\ub098 \uc6b4\ub3d9 \uc2dc\uac04, \uc77c\ubc18\uc801\uc778 \uc2dd\ub2e8, \uc2a4\ud2b8\ub808\uc2a4 \uc218\uc900\uacfc \uac19\uc740 \ub2e4\ub978 \ubcc0\uc218\ub3c4 \ud608\uc555\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9827 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variable-instrumentale2.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"378\" height=\"169\"><\/p>\n<p> <span style=\"color: #000000;\">\ub530\ub77c\uc11c \uc57d\ubb3c\uc744 \uc608\uce21 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uace0 \ud608\uc555\uc744 \ubc18\uc751 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uc5ec \ub2e8\uc21c <a href=\"https:\/\/statorials.org\/ko\/\u1112\u116c\u1100\u1171-\u1100\u1168\u1109\u116e\u1105\u1173\u11af-\u1112\u1162\u1109\u1165\u11a8\u1112\u1161\u1102\u1173\u11ab-\u1107\u1161\u11bc\u1107\u1165\u11b8\/\" target=\"_blank\" rel=\"noopener noreferrer\">\uc120\ud615<\/a> <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1165\u11ab\u1112\u1167\u11bc-\u1112\u116c\u1100\u1171-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">\ud68c\uadc0 \ubd84\uc11d\uc744<\/a> \uc218\ud589\ud558\uba74 \uc678\ubd80 \uc694\uc778(\uc6b4\ub3d9, \ub2e4\uc774\uc5b4\ud2b8, \uc2a4\ud2b8\ub808\uc2a4 \ub4f1)\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ud55c \uac00\uc9c0 \uc7a0\uc7ac\uc801\uc778 \ubc29\ubc95\uc740 <strong>\ub3c4\uad6c \ubcc0\uc218\ub97c<\/strong> \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ub3c4\uad6c\ubcc0\uc218\ub780 \ubb34\uc5c7\uc778\uac00?<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><strong>\ub3c4\uad6c \ubcc0\uc218\ub294<\/strong> \uc608\uce21 \ubcc0\uc218\uc640 \uc0c1\uad00 \uad00\uacc4\uac00 \uc788\uc9c0\ub9cc \ubc18\uc751 \ubcc0\uc218\uc640\ub294 \uc0c1\uad00 \uad00\uacc4\uac00 \uc5c6\ub294 \ud68c\uadc0 \ubd84\uc11d\uc5d0 \ub3c4\uc785\ub41c \uc138 \ubc88\uc9f8 \ubcc0\uc218\uc785\ub2c8\ub2e4. \uc774 \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\uba74 \uc608\uce21 \ubcc0\uc218\uac00 \ubc18\uc751 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc2e4\uc81c \uc778\uacfc \ud6a8\uacfc\ub97c \ucd94\uc815\ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4, \ud2b9\uc815 \uc57d\ubb3c\uc774 \ud608\uc555\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd94\uc815\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9826 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variable-instrumentale1.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"396\" height=\"134\"><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \ud68c\uadc0 \ubd84\uc11d\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ub3c4\uad6c \ubcc0\uc218\uc758 \uc608\ub85c\ub294 \uac1c\uc778\uc758 \uc57d\uad6d \uadfc\uc811\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 &#8220;\uadfc\uc811\uc131&#8221; \ubcc0\uc218\ub294 \uac1c\uc778\uc774 \ubb38\uc81c\uc758 \uc57d\ubb3c\uc744 \ubcf5\uc6a9\ud558\ub294\uc9c0 \uc5ec\ubd80\uc640 \ub192\uc740 \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uac1c\uc778\uc774 \uc57d\uad6d \uadfc\ucc98\uc5d0 \uc0b4\uc9c0 \uc54a\uc73c\uba74 \uc560\ucd08\uc5d0 \uc57d\uc744 \uad6c\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9831 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variable-instrumentale3.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"399\" height=\"149\"><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub7ec\ub098 &#8220;\uadfc\uc811\uc131&#8221; \ubcc0\uc218\ub294 \ud608\uc555\uacfc \uc5b4\ub5a0\ud55c \uc0c1\uad00\uad00\uacc4\ub3c4 \uac00\uc838\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ud608\uc555\uacfc\uc758 \uc720\uc77c\ud55c \uc5f0\uad00\uc131\uc740 \uc608\uce21 \ubcc0\uc218\ub97c \ud1b5\ud574\uc11c\uc785\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9832 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variable-instrumentale4.png\" sizes=\"auto, \" srcset=\"\" alt=\"\uac00\ubcc0 \uc545\uae30\" width=\"400\" height=\"206\"><\/p>\n<p> <span style=\"color: #000000;\">\uc2e4\uc81c\ub85c \ub3c4\uad6c \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc740 \ub3c4\uad6c \ubcc0\uc218 \ud68c\uadc0 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Instrumental_variables_estimation#Interpretation_as_two-stage_least_squares\" target=\"_blank\" rel=\"noopener noreferrer\">(2\ub2e8\uacc4 \ucd5c\uc18c \uc81c\uacf1 \ud68c\uadc0<\/a> \ub77c\uace0\ub3c4 \ud568)\ub97c \uc218\ud589\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ub3c4\uad6c \ubcc0\uc218 \ud68c\uadc0<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub3c4\uad6c \ubcc0\uc218 \ud68c\uadc0(\ub610\ub294 2\ub2e8\uacc4 \ucd5c\uc18c \uc81c\uacf1 \ud68c\uadc0)\uc5d0\uc11c\ub294 \ub2e4\uc74c \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uce21 \ubcc0\uc218\uac00 \ubc18\uc751 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd94\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1\ub2e8\uacc4: \ub3c4\uad6c \ubcc0\uc218\ub97c \uc608\uce21 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uc5ec \ud68c\uadc0 \ubaa8\ub378\uc744 \uc801\ud569\uc2dc\ud0b5\ub2c8\ub2e4.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud2b9\uc815 \uc608\uc5d0\uc11c\ub294 \uba3c\uc800 \ub2e4\uc74c \ud68c\uadc0 \ubaa8\ub378\uc744 \uc801\ud569\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud2b9\uc815 \uc57d\ubb3c = B <sub>0<\/sub> + B <sub>1<\/sub> (\uadfc\uc811)<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub7f0 \ub2e4\uc74c \ud2b9\uc815 \uc57d\ubb3c(cd)\uc5d0 \ub300\ud55c \uc608\uce21 \uac12\uc774 \ub0a8\uac8c \ub418\uba70 \uc774\ub97c cd <sub>hat<\/sub> \uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2\ub2e8\uacc4: cd <sub>hat<\/sub> \uc5d0 \ub300\ud55c \uc608\uce21 \uac12\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \ubc88\uc9f8 \ud68c\uadc0 \ubaa8\ub378\uc744 \ud53c\ud305\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c\uc73c\ub85c \ub2e4\uc74c \ud68c\uadc0 \ubaa8\ub378\uc744 \uc801\ud569\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud608\uc555 = B <sub>0<\/sub> + B <sub>1<\/sub> (cd <sub>\ubaa8\uc790<\/sub> )<\/span><\/p>\n<p> <span style=\"color: #000000;\">CD <sub>\ubaa8\uc790<\/sub> \uc758 \ud68c\uadc0\uacc4\uc218\uac00 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c \uac83\uc73c\ub85c \ud655\uc778\ub418\uba74, \ud608\uc555\uc5d0 \ub300\ud55c \uc57d\ubb3c\uc758 \uc778\uacfc\ud6a8\uacfc\uac00 \uc788\ub2e4\uace0 \ub9d0\ud560 \uc218 \uc788\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub807\uac8c \ub9d0\ud560 \uc218 \uc788\ub294 \uc774\uc720\ub294 CD <sub>Hat\uc744<\/sub> \ub9cc\ub4e4 \ub54c &#8220;\uadfc\uc811\uc131&#8221;\uc774\ub77c\ub294 \uc6a9\uc5b4\ub9cc \uc0ac\uc6a9\ud588\uace0 \uadfc\uc811\uc131\uc774 \ud608\uc555\uacfc \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc5b4\uc11c\ub294 \uc548 \ub41c\ub2e4\ub294 \uac83\uc744 \uc54c\uace0 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \ub2e8\uacc4 \ud68c\uadc0\uc5d0\uc11c \uc911\uc694\ud55c \uc0c1\uad00\uad00\uacc4\ub294 \ud2b9\uc815 \uc57d\ubb3c\uc5d0 \uae30\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ub3c4\uad6c\ubcc0\uc218 \uc0ac\uc6a9 \uc2dc \uc8fc\uc758\uc0ac\ud56d<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub3c4\uad6c\ubcc0\uc218\ub294 \ub2e4\uc74c \uae30\uc900\uc744 \ucda9\uc871\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uc774\ub294 \uc608\uce21\ubcc0\uc218\uc640 \ubc00\uc811\ud55c \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\ubc18\uc751 \ubcc0\uc218\uc640 \uc0c1\uad00 \uad00\uacc4\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc774\ub294 \ubaa8\ub378\uc5d0\uc11c \uc81c\uc678\ub41c \ub2e4\ub978 \ubcc0\uc218\uc640 \uc0c1\uad00\uad00\uacc4\uac00 \uc5c6\uc2b5\ub2c8\ub2e4(\uc608: \uadfc\uc811\uc131\uc740 \uc6b4\ub3d9, \ub2e4\uc774\uc5b4\ud2b8 \ub610\ub294 \uc2a4\ud2b8\ub808\uc2a4\uc640 \uc0c1\uad00\uad00\uacc4\uac00 \uc5c6\uc2b5\ub2c8\ub2e4).<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\ub3c4\uad6c \ubcc0\uc218\uac00 \uc774 \uae30\uc900\uc744 \ucda9\uc871\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uace0 \ud3b8\ud5a5\ub41c \uacb0\uacfc\ub97c \uc0dd\uc131\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc73c\ubbc0\ub85c \ud68c\uadc0 \ubaa8\ub378\uc5d0 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc885\uc885 \ud1b5\uacc4\uc5d0\uc11c\ub294 \ud55c \ubcc0\uc218\uac00 \ub2e4\ub978 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd94\uc815\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc54c\uace0 \uc2f6\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\ubd80\ud558\ub294 \uc2dc\uac04\uc774 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694? \ud2b9\uc815 \uc57d\ubb3c\uc774 \ud608\uc555\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694? \uc2a4\ud2b8\ub808\uc2a4\ub294 \uc2ec\ubc15\uc218\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694? \uac01 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc608\uce21 \ubcc0\uc218\uac00 \ubc18\uc751 \ubcc0\uc218\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc774\ud574\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub450 \ubcc0\uc218 \uc0ac\uc774\uc758 \uad00\uacc4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ub2e4\ub978 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-925","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ub3c4\uad6c\ubcc0\uc218: \uc815\uc758 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