\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/28680\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"1. \uc11c\ub860 \ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735\uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uc18d\ub3c4\ub85c \ubc1c\uc804\ud574\uc654\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8 \uc911 \ud558\ub098\uc778 \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(Linear Discriminant Analysis, LDA)\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. LDA\ub294 \ub370\uc774\ud130\ub97c \ubd84\ub958\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc778 \uae30\ubc95\uc73c\ub85c, \uc8fc\uc2dd \uac70\ub798\uc5d0 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 2. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uac1c\uc694 2.1 \uba38\uc2e0\ub7ec\ub2dd\uc774\ub780? \uba38\uc2e0\ub7ec\ub2dd\uc740 \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud559\uc2b5\ud558\uc5ec \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c … \ub354 \ubcf4\uae30 "\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/28680\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T16:14:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:59:20+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA\",\"datePublished\":\"2024-10-27T16:14:31+00:00\",\"dateModified\":\"2024-11-26T06:59:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\"},\"wordCount\":36,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\",\"url\":\"https:\/\/atmokpo.com\/w\/28680\/\",\"name\":\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - 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\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/atmokpo.com\/w\/28680\/","og_locale":"ko_KR","og_type":"article","og_title":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"1. \uc11c\ub860 \ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735\uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uc18d\ub3c4\ub85c \ubc1c\uc804\ud574\uc654\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8 \uc911 \ud558\ub098\uc778 \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(Linear Discriminant Analysis, LDA)\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. 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{"id":28680,"date":"2024-10-27T16:14:31","date_gmt":"2024-10-27T16:14:31","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=28680"},"modified":"2024-11-26T06:59:20","modified_gmt":"2024-11-26T06:59:20","slug":"%eb%a8%b8%ec%8b%a0%eb%9f%ac%eb%8b%9d-%eb%b0%8f-%eb%94%a5%eb%9f%ac%eb%8b%9d-%ec%95%8c%ea%b3%a0%eb%a6%ac%ec%a6%98-%ed%8a%b8%eb%a0%88%ec%9d%b4%eb%94%a9-lda","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/28680\/","title":{"rendered":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA"},"content":{"rendered":"

<\/p>\n

1. \uc11c\ub860<\/h2>\n
\ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735\uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uc18d\ub3c4\ub85c \ubc1c\uc804\ud574\uc654\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8 \uc911 \ud558\ub098\uc778 \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(Linear Discriminant Analysis, LDA)<\/strong>\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. LDA\ub294 \ub370\uc774\ud130\ub97c \ubd84\ub958\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc778 \uae30\ubc95\uc73c\ub85c, \uc8fc\uc2dd \uac70\ub798\uc5d0 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

2. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uac1c\uc694<\/h2>\n
2.1 \uba38\uc2e0\ub7ec\ub2dd\uc774\ub780?<\/h3>\n
\uba38\uc2e0\ub7ec\ub2dd\uc740 \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud559\uc2b5\ud558\uc5ec \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \ubaa8\ub378\uc744 \ud559\uc2b5\ud55c \ud6c4, \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \ub300\ud574 \uc608\uce21\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4. \uc774\ub294 \uc778\uacf5\uc9c0\ub2a5\uc758 \ud55c \ubd84\uc57c\ub85c, \ubc18\ubc1c\uc801\uc73c\ub85c \ub370\uc774\ud130\uc5d0\uc11c \ud328\ud134\uc744 \uc778\uc2dd\ud558\uace0 \uc77c\ubc18\ud654\ud558\ub294 \ub2a5\ub825\uc744 \ud0a4\uc6c1\ub2c8\ub2e4.<\/p>\n
2.2 \ub525\ub7ec\ub2dd\uc774\ub780?<\/h3>\n
\ub525\ub7ec\ub2dd\uc740 \uba38\uc2e0\ub7ec\ub2dd\uc758 \ud55c \ubd84\uc57c\ub85c, \uc778\uacf5\uc2e0\uacbd\ub9dd\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uad6c\uc870\ub97c \ub2e4\ub8e8\ub294 \ub2a5\ub825\uc774 \ub6f0\uc5b4\ub098\uba70, \ud2b9\ud788 \uc774\ubbf8\uc9c0, \uc74c\uc131 \uc778\uc2dd \ubc0f \uc790\uc5f0\uc5b4 \ucc98\ub9ac \ubd84\uc57c\uc5d0\uc11c \ud0c1\uc6d4\ud55c \uc131\ub2a5\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c\ub3c4 \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud558\uc5ec \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\uc5d0\uc11c \uc758\ubbf8 \uc788\ub294 \uc815\ubcf4\ub97c \ucd94\ucd9c\ud558\uace0 \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n
2.3 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc758 \ucc28\uc774<\/h3>\n
\ub450 \uae30\uc220\uc740 \ub9ce\uc740 \uc720\uc0ac\uc810\uc744 \uac00\uc9c0\uc9c0\ub9cc, \uc8fc\ub85c \ucc98\ub9ac\ud558\ub294 \ub370\uc774\ud130\uc758 \ud06c\uae30\uc640 \ubcf5\uc7a1\uc131\uc5d0\uc11c \ucc28\uc774\ub97c \ubcf4\uc785\ub2c8\ub2e4. \uba38\uc2e0\ub7ec\ub2dd\uc740 \uc0c1\ub300\uc801\uc73c\ub85c \uc791\uc740 \ub370\uc774\ud130\uc14b\uc5d0\uc11c \ud6a8\uacfc\uc801\uc774\uba70, \ub525\ub7ec\ub2dd\uc740 \ub300\uaddc\ubaa8 \ub370\uc774\ud130\uc14b\uc5d0\uc11c \uadf8 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud569\ub2c8\ub2e4.<\/p>\n
3. \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n
3.1 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529 \uac1c\uc694<\/h3>\n
\uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc740 \ucef4\ud4e8\ud130 \ud504\ub85c\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae08\uc735 \uc790\uc0b0\uc758 \uac70\ub798\ub97c \uc790\ub3d9\ud654\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uac70\ub798\ub97c \uc2e4\ud589\ud558\uae30 \uc704\ud55c \uaddc\uce59\uc740 \ub370\uc774\ud130 \ubd84\uc11d\uacfc \ud328\ud134 \uc778\uc2dd \ub4f1\uc744 \uae30\ubc18\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n
3.2 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uc7a5\uc810<\/h3>\n
\n
\uac10\uc815\uc801 \uc694\uc18c\uc758 \uc81c\uac70: \uc54c\uace0\ub9ac\uc998\uc740 \uac10\uc815\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\uc73c\ubbc0\ub85c \uc77c\uad00\ub41c \uac70\ub798\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n
\uc18d\ub3c4: \uac70\ub798\ub97c \ucd08\uace0\uc18d\uc73c\ub85c \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
\ub2e4\uc591\ud55c \uc804\ub7b5 \uad6c\ud604: \ub2e4\uc591\ud55c \uac70\ub798 \uc804\ub7b5\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
\ubc31\ud14c\uc2a4\ud2b8: \uacfc\uac70 \ub370\uc774\ud130\ub97c \ud1b5\ud574 \uc804\ub7b5\uc744 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n
4. \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(LDA)<\/h2>\n
4.1 LDA \uac1c\uc694<\/h3>\n
\uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(LDA)\uc740 \ub370\uc774\ud130\ub97c \uc8fc\uc5b4\uc9c4 \ud074\ub798\uc2a4\uc5d0 \ub530\ub77c \ubd84\ub958\ud558\uae30 \uc704\ud55c \ud1b5\uacc4\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4. LDA\ub294 \ud074\ub798\uc2a4 \uac04\uc758 \ubcc0\ub3d9\uc131\uacfc \ud074\ub798\uc2a4 \ub0b4\uc758 \ubcc0\ub3d9\uc131\uc744 \ube44\uad50\ud558\uc5ec \ub370\uc774\ud130\ub97c \uac00\uc7a5 \uc798 \uad6c\ubd84\ud558\ub294 \uc120\ud615 \uacbd\uacc4\uc120\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc8fc\ub85c \ucc28\uc6d0 \ucd95\uc18c\uc640 \ubd84\ub958\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n
4.2 LDA\uc758 \uc218\ud559\uc801 \ubc30\uacbd<\/h3>\n
LDA\ub294 \ub450 \uac1c \uc774\uc0c1\uc758 \ud074\ub798\uc2a4\uc5d0\uc11c \ubd84\uc0b0\uc744 \uace0\ub824\ud558\uc5ec \uac01 \ud074\ub798\uc2a4\uac00 \uc720\uc0ac\ud558\uac8c \ubd84\ud3ec\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uacf5\uc2dd\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n
J(w) = (w^T S_B w) \/ (w^T S_W w)<\/code><\/pre>\n\uc5ec\uae30\uc11c S_B\ub294 \ud074\ub798\uc2a4 \uac04 \ubd84\uc0b0 \ud589\ub82c, S_W\ub294 \ud074\ub798\uc2a4 \ub0b4 \ubd84\uc0b0 \ud589\ub82c\uc785\ub2c8\ub2e4. LDA\ub294 \uc774 \ube44\uc728\uc744 \ucd5c\ub300\ud654\ud558\ub294 \ubc29\ud5a5 w\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n 4.3 LDA\uc758 \uc808\ucc28<\/h3>\n\n\ub370\uc774\ud130 \uc218\uc9d1 \ubc0f \uc804\ucc98\ub9ac: \uac70\ub798\ud560 \uc790\uc0b0\uc758 \uacfc\uac70 \uac00\uaca9 \ubc0f \uac70\ub798\ub7c9 \ub370\uc774\ud130 \uc218\uc9d1.<\/li>\n \ud2b9\uc131\uacfc \ub808\uc774\ube14 \uc815\uc758: \uac00\uaca9 \ubcc0\ub3d9 \ub0b4\uc5ed\uc744 \uae30\ubc18\uc73c\ub85c \ud074\ub798\uc2a4(\uc608: \uc0c1\uc2b9, \ud558\ub77d)\ub97c \uc815\uc758.<\/li>\n \ubaa8\ub378 \ud559\uc2b5: LDA \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud559\uc2b5.<\/li>\n \ubd84\ub958 \ubc0f \uc608\uce21: \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \ub300\ud574 \ud074\ub798\uc2a4\ub97c \uc608\uce21.<\/li>\n \uacb0\uacfc \ud3c9\uac00: \uc608\uce21 \uacb0\uacfc\uc640 \uc2e4\uc81c \uacb0\uacfc \ube44\uad50.<\/li>\n<\/ol>\n5. LDA\ub97c \ud65c\uc6a9\ud55c \ud2b8\ub808\uc774\ub529 \uc804\ub7b5 \uac1c\ubc1c<\/h2>\n 5.1 \ub370\uc774\ud130 \uc900\ube44<\/h3>\nLDA\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \uc6b0\uc120 \uacfc\uac70\uc758 \uc8fc\uc2dd \ubc0f \uc2dc\uc7a5 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\uc5d0\ub294 \uc8fc\uc2dd \uac00\uaca9, \uac70\ub798\ub7c9, \uae30\uc220\uc801 \uc9c0\ud45c \ub4f1\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub2e4\ub978 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130(\uc608: \uc774\ub3d9 \ud3c9\uade0, RSI \ub4f1)\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n 5.2 \ud2b9\uc131 \uc120\ud0dd<\/h3>\n\ud2b9\uc131 \uc120\ud0dd\uc740 \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \uacb0\uc815\uc9d3\ub294 \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. LDA\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \ubd84\ub958\uc5d0 \uac00\uc7a5 \uc720\uc6a9\ud55c \ubcc0\uc218\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uacfc\uac70\uc758 \uc8fc\uac00 \ubcc0\ub3d9\ub960, \uac70\ub798\ub7c9, \uc678\ubd80 \uacbd\uc81c \uc9c0\ud45c \ub4f1\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n 5.3 LDA \ubaa8\ub378 \uad6c\ud604<\/h3>\nPython\uc744 \uc0ac\uc6a9\ud558\uc5ec LDA \ubaa8\ub378\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294 scikit-learn<\/code>\uc785\ub2c8\ub2e4. \uc544\ub798\ub294 LDA \ubaa8\ub378\uc744 \uad6c\ucd95\ud558\ub294 \uae30\ubcf8\uc801\uc778 \ucf54\ub4dc\uc785\ub2c8\ub2e4:<\/p>\n from sklearn.discriminant_analysis import LinearDiscriminantAnalysis\nfrom sklearn.model_selection import train_test_split\nfrom sklearn import metrics\n\n# \ub370\uc774\ud130 \ub85c\ub4dc\nX = ... # \ud2b9\uc131 \ub370\uc774\ud130\uc14b\ny = ... # \ub808\uc774\ube14 (\uc0c1\uc2b9\/\ud558\ub77d)\n\n# \ub370\uc774\ud130 \ubd84\ud560\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)\n\n# LDA \ubaa8\ub378 \ud559\uc2b5\nlda = LinearDiscriminantAnalysis()\nlda.fit(X_train, y_train)\n\n# \uc608\uce21\ny_pred = lda.predict(X_test)\n\n# \uc131\ub2a5 \ud3c9\uac00\naccuracy = metrics.accuracy_score(y_test, y_pred)\nprint(f'\uc815\ud655\ub3c4: {accuracy:.2f}')<\/code><\/pre>\n5.4 \ub9ac\uc2a4\ud06c \uad00\ub9ac<\/h3>\n\ub9ac\uc2a4\ud06c \uad00\ub9ac\ub294 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. LDA \ubaa8\ub378\uc758 \uc2e0\ub8b0\uc131\uc744 \ud3c9\uac00\ud558\uace0 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \ub9ac\uc2a4\ud06c \uad00\ub9ac \uae30\ubc95(\uc608: \uc190\uc808\ub9e4 \uc124\uc815, \ud3ec\uc9c0\uc158 \uc0ac\uc774\uc9d5 \ub4f1)\uc744 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n 5.5 \uc131\uacfc \ubd84\uc11d<\/h3>\n\ubaa8\ub378\uc758 \uc131\uacfc\ub97c \ud3c9\uac00\ud558\ub824\uba74 \uc5ec\ub7ec \uc9c0\ud45c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/p>\n \n\uc5f0\ud658\uc0b0 \uc218\uc775\ub960: (1 + \ud558\ub8e8 \uc218\uc775\ub960)^{252} - 1<\/code>.<\/li>\n \uc0e4\ud504 \ube44\uc728: (\ud3c9\uade0 \uc218\uc775\ub960 - \ubb34\uc704\ud5d8 \uc218\uc775\ub960) \/ \ud45c\uc900\ud3b8\ucc28<\/code>.<\/li>\n \ucd5c\ub300 \uc190\uc2e4(MDD): \uc790\uc0b0\uc758 \ucd5c\ub313\uac12\uc5d0\uc11c \ucd5c\uc800\uac12\uc73c\ub85c\uc758 \ud558\ub77d\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n6. \uacb0\ub860<\/h2>\n\uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc740 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c \ube60\ub974\uac8c \ubcc0\ud654\ud558\ub294 \ud658\uacbd\uc5d0 \ud6a8\uacfc\uc801\uc73c\ub85c \ub300\ucc98\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ud2b9\ud788 LDA\ub97c \ud1b5\ud574 \uae08\uc735 \ub370\uc774\ud130\uc758 \ubd84\ub958 \ubc0f \uc608\uce21 \ubaa8\ub378\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud2b8\ub808\uc774\ub529 \uc804\ub7b5\uc758 \ubc1c\uc804\uc5d0 \ud070 \uae30\uc5ec\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubaa8\ub4e0 \ud22c\uc790\uc5d0\ub294 \ub9ac\uc2a4\ud06c\uac00 \ub530\ub974\ubbc0\ub85c, \ud56d\uc0c1 \uc2e0\uc911\ud55c \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n 7. \ucd94\uac00 \uc790\ub8cc<\/h2>\n\ub2e4\uc74c\uc758 \uc790\ub8cc\ub97c \ud1b5\ud574 LDA\uc640 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc744 \ub354 \uae4a\uc774 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n \nLDA \uc54c\uace0\ub9ac\uc998 – scikit-learn<\/a><\/li>\n LDA\uc758 \uc18c\uac1c<\/a><\/li>\n \ud000\ud2b8 \uc2a4\ud0dd\uc775\uc2a4\uccb4\uc778\uc9c0<\/a><\/li>\n<\/ul>\n<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"1. \uc11c\ub860 \ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735\uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uc18d\ub3c4\ub85c \ubc1c\uc804\ud574\uc654\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8 \uc911 \ud558\ub098\uc778 \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(Linear Discriminant Analysis, LDA)\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. LDA\ub294 \ub370\uc774\ud130\ub97c \ubd84\ub958\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc778 \uae30\ubc95\uc73c\ub85c, \uc8fc\uc2dd \uac70\ub798\uc5d0 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 2. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uac1c\uc694 2.1 \uba38\uc2e0\ub7ec\ub2dd\uc774\ub780? \uba38\uc2e0\ub7ec\ub2dd\uc740 \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud559\uc2b5\ud558\uc5ec \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c … \ub354 \ubcf4\uae30 “\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[],"class_list":["post-28680","post","type-post","status-publish","format-standard","hentry","category-29"],"yoast_head":"\n\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/28680\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"1. \uc11c\ub860 \ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735\uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uc18d\ub3c4\ub85c \ubc1c\uc804\ud574\uc654\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8 \uc911 \ud558\ub098\uc778 \uc120\ud615 \ud310\ubcc4 \ubd84\uc11d(Linear Discriminant Analysis, LDA)\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. LDA\ub294 \ub370\uc774\ud130\ub97c \ubd84\ub958\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc778 \uae30\ubc95\uc73c\ub85c, \uc8fc\uc2dd \uac70\ub798\uc5d0 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 2. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uac1c\uc694 2.1 \uba38\uc2e0\ub7ec\ub2dd\uc774\ub780? \uba38\uc2e0\ub7ec\ub2dd\uc740 \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud559\uc2b5\ud558\uc5ec \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c … \ub354 \ubcf4\uae30 "\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/28680\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T16:14:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:59:20+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA\",\"datePublished\":\"2024-10-27T16:14:31+00:00\",\"dateModified\":\"2024-11-26T06:59:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\"},\"wordCount\":36,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/28680\/\",\"url\":\"https:\/\/atmokpo.com\/w\/28680\/\",\"name\":\"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, LDA - 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