{"id":692,"date":"2021-04-04T23:15:20","date_gmt":"2021-04-04T14:15:20","guid":{"rendered":"http:\/\/mukgee.com\/?p=692"},"modified":"2021-04-04T23:23:55","modified_gmt":"2021-04-04T14:23:55","slug":"autoencoder-%eb%aa%a8%eb%8d%b8-%ec%82%ac%ec%9a%a9%ed%95%9c-%ed%83%80%ec%9d%b4%ed%83%80%eb%8b%89-%eb%ac%b8%ec%a0%9c-%ec%a0%91%ea%b7%bc2","status":"publish","type":"post","link":"http:\/\/mukgee.com\/?p=692","title":{"rendered":"AutoEncoder \ubaa8\ub378 \uc0ac\uc6a9\ud55c \ud0c0\uc774\ud0c0\ub2c9 \ubb38\uc81c \uc811\uadfc[2]"},"content":{"rendered":"

\uc774\uc804 \uae00<\/a>\uc5d0 \uc774\uc5b4 AutoEncoder\ub97c \uc774\uc6a9\ud55c \ud0c0\uc774\ud0c0\ub2c9 \ubb38\uc81c \uc811\uadfc\uc758 \ucd5c\uc885 \ud3b8\uc785\ub2c8\ub2e4.<\/p>\n

\uc774\uc804 \ud3b8\uc5d0\uc11c AutoEncoder\ub97c \ud1b5\ud574 \ucf00\uae00\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub97c \ucc28\uc6d0 \ucd95\uc18c\ud574\ubcf4\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n

Bytenet\uc758 AutoEncoder\uc758 encoder \ub97c \ud1b5\uacfc\ud558\uba74 10\ucc28\uc6d0\uc758 feature\uac00 1\ucc28\uc6d0\uc758 value\ub85c \ucd95\uc18c\ub429\ub2c8\ub2e4. (batchsize,1)<\/p>\n

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\uc900\ube44\ub41c Encoder \ub97c \ud1b5\uacfc\ud558\uba74 \ube44\uc2b7\ud55c value\ub97c \uac00\uc9c0\ub294 data\ub294 \ube44\uc2b7\ud55c \uac12\uc744 \uac00\uc9c0\ub3c4\ub85d Encoder\ub97c \ud559\uc2b5\ub429\ub2c8\ub2e4.<\/p>\n

(\uc190\uae00\uc528 \ub370\uc774\ud130\ub97c autoencoder\ub85c \ud559\uc2b5\ud558\uace0 encoder\ub9cc \ud1b5\uacfc\uc2dc\ud0a4\uba74 \ube44\uc2b7\ud558\uac8c \uc0dd\uae34 \uc22b\uc790\ub07c\ub9ac clustering \ub418\ub294 \uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.)<\/p>\n

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train dataset \uc5d0\uc11c pclass \ub97c \ube80 10\uac1c\uc758 feature\ub9cc \uc0ac\uc6a9\ud574\uc11c \ud559\uc2b5\uc744 \uc9c4\ud589\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uadf8\ub7fc 10\uac1c\uc758 feature\ub97c 1 \ucc28\uc6d0\uc73c\ub85c \ucd95\uc18c\ud558\ub294 encoder\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774 encoder\ub97c \uc0ac\uc6a9\ud574\uc11c trainset\uc758 feature\uc640 \ub3d9\uc77c\ud55c \uac2f\uc218\uc758 testset\uc73c\ub85c \ud1b5\uacfc\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n

\uadf8\ub7fc \ub3d9\uc77c\ud55c 1\ucc28\uc6d0\uc758 \uac12\uc774 \ub098\uc624\uaca0\uc8e0.<\/p>\n

testset\uc5d0\uc11c \ub098\uc628 1\ucc28\uc6d0\uc758 \uac12\uc73c\ub85c trainset\uc5d0\uc11c \uac00\uc7a5 \uac00\uae4c\uc6b4 row\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n

\uadf8\ub9ac\uace0 \uadf8 row\uac00 \uac00\uc9c4 pclass\ub97c return \ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uc5b4\ubd05\ub2c8\ub2e4.<\/p>\n

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\uc2e4\uc81c testset\uc758 plcass \uc640 \ube44\uad50\ud574\ubcf4\ub2c8 69%\uc758 \uc815\ud655\ub3c4\uac00 \ub098\uc654\ub124\uc694. pclass\uac00 3\uac1c\uc774\ub2c8 3\uac1c\uc911 \ud558\ub098\ub97c \uc784\uc758\ub85c \uc120\ud0dd\ud560 \ub54c \ubcf4\ub2e4\ub294 \ub192\ub124\uc694.<\/p>\n

\uc774 \uacb0\uacfc\uac00 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud560\uae4c\uc694?<\/p>\n

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\uce5c\uad6c \ub530\ub77c \uac15\ub0a8\uac04\ub2e4 \ub77c\ub294 \uc18d\ub2f4\uc744 \ud55c\ubc88 \uc0dd\uac01\ud574\ubcf4\uc8e0.<\/p>\n

\uc18d\ub2f4\uc744 \uc2e4\uc81c data\uc5d0 \uc801\uc6a9\ud558\uae30\uc704\ud55c \uadfc\uac70\uac00 \uc788\ub294\uc9c0 \ubaa8\ub974\uaca0\uc9c0\ub9cc \uadf8\uc800 \uc7ac\ubbf8\ub85c \ud574\ubcf4\ub294 \uacfc\uc81c\ub2c8 \ud55c\ubc88 \uc801\uc6a9\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

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Mrs. Catherine \uc528\uac00 \ud0c0\uc774\ud0c0\ub2c9\uc5d0 \ud0d1\uc2b9\ud558\uae30 \uc704\ud574 \ud45c\ub97c \uc0ac\ub824\uace0 \ud560\ub54c \uc5b4\ub5a4 plcass\uc758 \ud45c\ub97c \uc0ac\uc57c\ud560\uc9c0 \uace0\ubbfc\ud558\uace0 \uc788\ub2e4\uace0 \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uadf8\ub7fc Mrs. Catherine \uc528\uc640 \uac00\uc7a5 \ube44\uc2b7\ud55c \ud658\uacbd\uc758 \uc0ac\ub78c\ub4e4\uc774 \uad6c\ub9e4\ud55c pclass\ub97c \uae30\ubc18\uc73c\ub85c Mrs. Catherine\uc528\uc5d0\uac8c \ud2f0\uac9f\uad6c\ub9e4\ub97c \ucd94\ucc9c\ud574\uc904 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

Mrs. Catherine \uc758 \ub370\uc774\ud130\ub97c Encoder\uc5d0 \ud1b5\uacfc\uc2dc\ud0a8 \ud6c4 trainSet\uc758 \ub370\uc774\ud130\uc640 \ube44\uad50\ud574\uc11c \uac00\uc7a5 \uac00\uae4c\uc6b4 \uac12\uc744 \uac00\uc9c4 data\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n

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\ud559\uc2b5\ub41c Encoder\ub294 Master Michael \uc528\uc640 \uac00\uc7a5 \ube44\uc2b7\ud558\ub2e4\uace0 \ud310\ub2e8\ud588\ub124\uc694.<\/p>\n

Deep Learning \ubaa8\ub378\ub4e4\uc758 \ud55c\uacc4\uc9c0\ub9cc \uc5b4\ub5a4 \uadfc\uac70\uc5d0\uc11c \ub450\uba85\uc758 \ub370\uc774\ud130\uac00 \ube44\uc2b7\ud558\ub2e4\uace0 \ud310\ub2e8\ud588\ub294\uc9c0 \uc815\ud655\ud55c \uc774\uc720\ub97c \uc54c \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc \ub450\uac1c\uc758 \ub370\uc774\ud130\ub97c \ube44\uad50\ud574\ubcf4\uba74 ticket\uacfc fare\uac00 \uac19\uace0 \uac19\uc740 Port\uc5d0\uc11c \ud0d1\uc2b9\ud558\ub824\uace0 \ud588\ub2e4\ub294\uac78 \uc54c \uc218 \uc788\ub124\uc694.<\/p>\n

\uacb0\uacfc\uac12\uc744 \ube44\uad50\ud574\ubcf4\uba74 \ub450\uac1c\uc758 \uac12\uc774 \ube44\uc2b7\ud558\ub2e4\uace0 \uc0dd\uac01\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \ucd94\ucc9c\ud558\ub824\uace0 \ud558\ub294 pclass\ub3c4 \ub3d9\uc77c\ud558\uace0\uc694<\/p>\n

\ub450\uba85\uc758 \ub370\uc774\ud130\ub9cc \ubcf4\uba74 ‘\uce5c\uad6c\ub530\ub77c \uac15\ub0a8 \uac04\ub2e4’ \ub294 \uc61b \uc18d\ub2f4\uc774 \ud2c0\ub9ac\uc9c0 \uc54a\uc558\ub124\uc694.<\/p>\n

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\uadf8\ub7fc \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud0c0\uc774\ud0c0\ub2c9 compete\uc758 \uc2e4\uc81c \ubb38\uc81c\uc778 \uc0dd\uc874 \uc608\uce21\uc744 ‘\uce5c\uad6c \ub530\ub77c \uac15\ub0a8 \uac04\ub2e4’ AutoEncoder \ubaa8\ub378\uc744 \ud1b5\ud574 \uc608\uce21\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

pclass \ub3c4 \uc911\uc694\ud55c feature \uc774\ub2c8 \ub2e4\uc2dc input feature \ub85c \ud3ec\ud568\ud574\uc11c \ud559\uc2b5\uc2dc\ucf1c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

pclass \ubaa8\ub378\uc744 \ud3ec\ud568\ud574\uc11c encoder\ub97c \ud559\uc2b5\uc2dc\ud0a8 \uc774\ud6c4 \ub3d9\uc77c\ud558\uac8c encoder\uc5d0 testset\uc744 \ud1b5\uacfc\uc2dc\ucf1c \ub098\uc628 \uacb0\uacfc\ub97c train result\uc5d0\uc11c \uac00\uc7a5 \uac00\uae4c\uc6b4 \uac12\uc758 survival \uacb0\uacfc\ub85c \uc608\uce21\ud574\ubcf4\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774\ud6c4 csv \ud30c\uc77c\ub85c \uc0dd\uc131\ud558\uc5ec kaggle API \ub97c \uc0ac\uc6a9\ud574 \uc81c\ucd9c\uae4c\uc9c0 \uc644\ub8cc\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n

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\ucd5c\uc885 \uacb0\uacfc\ub294 0.70 ( \uc815\ud655\ub3c4 70%) \uc785\ub2c8\ub2e4.<\/p>\n

\uc880 \ub354 \uc815\ud655\ub3c4\ub97c \ub192\uc774\ub824\uba74 AutoEncoder\uc758 Reconstruction Loss\ub97c \ub0ae\ucd94\uae30 \uc704\ud55c epoch\ub97c \ub298\ub824\ubcf4\uac70\ub098(\ud604\uc7ac 100 epoch \uc815\ub3c4) learning rate \uac19\uc740 Hyper Para\ub97c \ubc14\uafd4\uac00\uba70 \ud14c\uc2a4\ud2b8 \ud574\ubcfc \uc218 \uc788\uaca0\uc9c0\ub9cc \uc774 \ubb38\uc81c\ub294 \uc774\ubbf8 score\uac00 1\uc778 \ubb38\uc81c\ub85c score\ub97c \ub354 \ub192\uc774\ub294\uac74 \ud070 \uc758\ubbf8 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc5ec\uae30\uc11c \ucd94\uac00 \uc9c4\ud589\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n

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\uadf8\ub798\ub3c4 ‘\uce5c\uad6c \ub530\ub77c \uac15\ub0a8 \uac04\ub2e4’ \ub77c\ub294 \ub9d0\uc774 ML \uc138\uacc4\uc5d0\uc11c\ub3c4 \ub9d0\ub3c4 \uc548\ub418\ub294\uac74 \uc544\ub2c8\ub124\uc694.<\/p>\n

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\ucc98\uc74c \uc774 \uacfc\uc81c\ub97c \uc2dc\uc791\ud560\ub54c\ub3c4 \uc5b8\uae09<\/a>\ud588\uc9c0\ub9cc \uc774 \uacfc\uc81c\uc758 \ubaa9\uc801\uc740 \uc81c\uac00 \uc9c0\uae08 \ud558\uace0 \uc788\ub294 ML \uacfc\uc81c\uc758 \ubc29\ud5a5\uacfc \uc0ac\uc6a9\uc911\uc778 \ubaa8\ub378\uc774 \uc81c\ub300\ub85c \ub418\uace0 \uc788\ub294\uc9c0 \ub2e4\ub978 \ub370\uc774\ud130\ub85c \uac80\uc99d\ud558\uae30 \uc704\ud568\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

\uacb0\uacfc\uc801\uc73c\ub85c \uc9c0\uae08 \ud558\uace0 \uc788\ub294 \ubc29\ud5a5\uacfc \ubaa8\ub378\uc774 \uc798\ubabb\ub41c\uac74 \uc544\ub2cc\uac70 \uac19\uc544 \uc548\ub3c4\uac10\uacfc \ud55c\ud3b8\uc73c\ub85c\ub294 \ubfcc\ub4ef\ud568\ub3c4 \uc788\ub124\uc694.<\/p>\n

\uc880 \ub354 \uc911\uc694\ud55c feature\ub97c \ucd94\ucd9c\ud558\uace0 Loss function \ub4f1\uc5d0 \ub300\ud55c \ucd94\uac00 \uace0\ubbfc\uc73c\ub85c \ubaa8\ub378\uc744 \uc880\ub354 \ud5a5\uc0c1 \uc2dc\ud0a8\ub2e4\uba74 \uc5f0\ub9d0\uc5d0\ub294 \uae30\ub300\ud588\ub358 \uacb0\uacfc\ub97c \ubcfc \uc218 \uc788\uc744\uac83 \uac19\uc740 \ud76c\ub9dd\uc774 \uc0dd\uae30\ub124\uc694<\/p>\n

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AutoEncoder\ub97c \uc774\uc6a9\ud55c \ud0c0\uc774\ud0c0\ub2c9 \ubb38\uc81c \ud574\uacb0\uc744 \ub9c8\uce69\ub2c8\ub2e4.<\/p>\n

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\uc18c\uc2a4\ub294 github\uc5d0\uc11c https:\/\/github.com\/sok891111\/ML\/blob\/main\/titanic_autoencoder.py<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc774\uc804 \uae00\uc5d0 \uc774\uc5b4 AutoEncoder\ub97c \uc774\uc6a9\ud55c \ud0c0\uc774\ud0c0\ub2c9 \ubb38\uc81c \uc811\uadfc\uc758 \ucd5c\uc885 \ud3b8\uc785\ub2c8\ub2e4. \uc774\uc804 \ud3b8\uc5d0\uc11c AutoEncoder\ub97c \ud1b5\ud574 \ucf00\uae00\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub97c \ucc28\uc6d0 \ucd95\uc18c\ud574\ubcf4\uc558\uc2b5\ub2c8\ub2e4. Bytenet\uc758 AutoEncoder\uc758 encoder \ub97c \ud1b5\uacfc\ud558\uba74…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[3],"tags":[72,73,24],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/posts\/692"}],"collection":[{"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mukgee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=692"}],"version-history":[{"count":5,"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/posts\/692\/revisions"}],"predecessor-version":[{"id":707,"href":"http:\/\/mukgee.com\/index.php?rest_route=\/wp\/v2\/posts\/692\/revisions\/707"}],"wp:attachment":[{"href":"http:\/\/mukgee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mukgee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=692"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mukgee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}