{"id":2765,"date":"2024-10-05T13:31:13","date_gmt":"2024-10-05T04:31:13","guid":{"rendered":"https:\/\/secondlife.lol\/?p=2765"},"modified":"2024-10-01T14:31:49","modified_gmt":"2024-10-01T05:31:49","slug":"data-analysis-example-titanic-survivor-prediction","status":"publish","type":"post","link":"https:\/\/secondlife.lol\/en\/data-analysis-example-titanic-survivor-prediction\/","title":{"rendered":"R data analysis example: Learn data analysis fundamentals with Titanic survivor prediction"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">1912\ub144\uc758 \ud0c0\uc774\ud0c0\ub2c9\ud638 \ucc38\uc0ac\ub294 \uc5ed\uc0ac\uc0c1 \uac00\uc7a5 \uc720\uba85\ud55c \ud574\uc591 \uc0ac\uace0 \uc911 \ud558\ub098\ub85c, \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc758 \uae30\uc5b5 \uc18d\uc5d0 \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \ud0c0\uc774\ud0c0\ub2c9\ud638\uc5d0 \ud0d1\uc2b9\ud588\ub358 \uc2b9\uac1d\ub4e4\uc774 \ub204\uad6c\uc600\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc5b4\ub5a4 \uc694\uc778\uc774 \uadf8\ub4e4\uc758 \uc0dd\uc0ac\ub97c \uacb0\uc815\ud588\ub294\uc9c0 \ubd84\uc11d\ud560 \uc218 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\uace0 \uacc4\uc2e0\uac00\uc694? <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 <strong>R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c\ub85c \ud0c0\uc774\ud0c0\ub2c9 \uc0dd\uc874\uc790 \ub370\uc774\ud130\ub97c \ud65c\uc6a9\ud558\uc5ec, \uc5b4\ub5a4 \ud2b9\uc9d5\uc774 \uc0dd\uc874 \ud655\ub960\uc5d0 \uc601\ud5a5\uc744 \ubbf8\ucce4\ub294\uc9c0 \uc608\uce21\ud558\ub294 \ubc29\ubc95<\/strong>\uc744 \ubc30\uc6cc\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ud3ec\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ub85c\ub4dc\ubd80\ud130 \ubd84\uc11d, \uc2dc\uac01\ud654, \uadf8\ub9ac\uace0 \uc608\uce21 \ubaa8\ub378\ub9c1\uae4c\uc9c0 \ucc28\uadfc\ucc28\uadfc \ubc30\uc6cc\ubcfc \uc218 \uc788\uc73c\ub2c8 \ub05d\uae4c\uc9c0 \uc9d1\uc911\ud574 \uc8fc\uc138\uc694!<\/p>\n\n\n<style>.kb-image2765_0d1ca1-28 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_0d1ca1-28\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"600\" height=\"464\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-6-600x464.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c-\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \uc2dc\uac01\ud654\" class=\"kb-img wp-image-2769\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-6-600x464.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-6-300x232.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-6-768x594.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-6.jpg 1200w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<style>.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{color:var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{color:var(--global-palette2, #2B6CB0);font-size:28px;font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list{color:var(--global-palette1, #3182CE);line-height:2em;font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list .kb-table-of-contents__entry:hover{color:var(--global-palette6, #718096);}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}<\/style>\n\n\n<h2 class=\"wp-block-heading\">\ud0c0\uc774\ud0c0\ub2c9 \uc0dd\uc874\uc790 \uc608\uce21\uc758 \uc911\uc694\uc131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub294 \ub370\uc774\ud130 \ubd84\uc11d \ud559\uc2b5\uc5d0 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc608\uc81c\ub85c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\uc14b\uc740 \uc2b9\uac1d\ub4e4\uc758 \uc131\ubcc4, \ub098\uc774, \ud0d1\uc2b9 \ud074\ub798\uc2a4, \uc6b4\uc784 \ub4f1 \ub2e4\uc591\ud55c \uc815\ubcf4\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uc5b4, \uc774\ub7ec\ud55c \ud2b9\uc9d5\ub4e4\uc774 \uc2b9\uac1d\uc758 \uc0dd\uc874 \uc5ec\ubd80\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\ucce4\ub294\uc9c0 \ubd84\uc11d\ud558\uae30\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774\ubc88 \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c\uc5d0\uc11c\ub294 \uc774 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \uc0dd\uc874 \uc5ec\ubd80\ub97c \uc608\uce21\ud558\ub294 \uac04\ub2e8\ud55c \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378\uc744 \uad6c\ucd95\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacfc\uc815\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac, \ud0d0\uc0c9\uc801 \ub370\uc774\ud130 \ubd84\uc11d(EDA), \uc2dc\uac01\ud654, \uadf8\ub9ac\uace0 \uc608\uce21 \ubaa8\ub378\ub9c1\uc5d0 \uc774\ub974\ub294 \ub370\uc774\ud130 \ubd84\uc11d \uc804 \uacfc\uc815\uc744 \uc2e4\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub370\uc774\ud130 \ub85c\ub4dc \ubc0f \ud0d0\uc0c9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc120 \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub97c R\uc5d0\uc11c \ubd88\ub7ec\uc624\uace0 \ud0d0\uc0c9\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub294 <a href=\"https:\/\/www.kaggle.com\/competitions\/titanic\" target=\"_blank\" rel=\"noopener\">Kaggle<\/a>\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ub300\ud45c\uc801\uc778 \ud559\uc2b5\uc6a9 \ub370\uc774\ud130\uc14b\uc73c\ub85c, \uc2b9\uac1d\ub4e4\uc758 \ub2e4\uc591\ud55c \ud2b9\uc131\uc774 \uae30\ub85d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\uc5d0\uc11c \ub370\uc774\ud130 \ub85c\ub4dc<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \ub370\uc774\ud130\uc14b \ubd88\ub7ec\uc624\uae30\ninstall.packages(\"titanic\")\nlibrary(titanic)\n\n# \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \ubd88\ub7ec\uc624\uae30\ndata(\"titanic_train\")\ntitanic &lt;- titanic_train\n\n# \ub370\uc774\ud130 \ud0d0\uc0c9\nstr(titanic)\nsummary(titanic)\nhead(titanic)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\ub97c \ud1b5\ud574 <code>titanic_train<\/code> \ub370\uc774\ud130\ub97c R\ub85c \ubd88\ub7ec\uc624\uace0, \ub370\uc774\ud130\uc758 \uad6c\uc870\uc640 \uae30\ucd08 \ud1b5\uacc4\ub7c9\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\ub294 <code>Survived<\/code>, <code>Pclass<\/code>, <code>Sex<\/code>, <code>Age<\/code>, <code>Fare<\/code>, <code>Embarked<\/code> \ub4f1\uc758 \ubcc0\uc218\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image2765_abe668-02 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_abe668-02\"><figure class=\"aligncenter size-medium_large\"><img decoding=\"async\" width=\"768\" height=\"225\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-8-768x225.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c-\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \ud0d0\uc0c91\" class=\"kb-img wp-image-2771\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-8-768x225.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-8-300x88.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-8-600x176.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-8.jpg 814w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption>[ str(titanic) \uc2e4\ud589\uacb0\uacfc \ud654\uba74 ]<\/figcaption><\/figure><\/div>\n\n\n<style>.kb-image2765_773296-54 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_773296-54\"><figure class=\"aligncenter size-medium_large\"><img decoding=\"async\" width=\"768\" height=\"314\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-9-768x314.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c-\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \ud0d0\uc0c92\" class=\"kb-img wp-image-2772\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-9-768x314.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-9-300x123.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-9-600x245.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-9.jpg 825w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption>[ summary(titanic) \uc2e4\ud589\uacb0\uacfc \ud654\uba74 ]<\/figcaption><\/figure><\/div>\n\n\n<style>.kb-image2765_0171eb-3b .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_0171eb-3b\"><figure class=\"aligncenter size-medium_large\"><img decoding=\"async\" width=\"768\" height=\"222\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-10-768x222.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c-\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \ud0d0\uc0c93\" class=\"kb-img wp-image-2773\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-10-768x222.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-10-300x87.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-10-600x174.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-10.jpg 850w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption>[ head(titanic) \uc2e4\ud589\uacb0\uacfc \ud654\uba74 ]<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130 \uad6c\uc870 \uc124\uba85<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Survived<\/code>: \uc0dd\uc874 \uc5ec\ubd80 (0 = \uc0ac\ub9dd, 1 = \uc0dd\uc874)<\/li>\n\n\n\n<li><code>Pclass<\/code>: \ud0d1\uc2b9 \ud074\ub798\uc2a4 (1 = 1\ub4f1\uc11d, 2 = 2\ub4f1\uc11d, 3 = 3\ub4f1\uc11d)<\/li>\n\n\n\n<li><code>Sex<\/code>: \uc131\ubcc4 (male, female)<\/li>\n\n\n\n<li><code>Age<\/code>: \ub098\uc774<\/li>\n\n\n\n<li><code>Fare<\/code>: \uc6b4\uc784<\/li>\n\n\n\n<li><code>Embarked<\/code>: \uc2b9\uc120\ud55c \ud56d\uad6c (C = Cherbourg, Q = Queenstown, S = Southampton)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub370\uc774\ud130\ub97c \ud1b5\ud574 \uac01 \uc2b9\uac1d\uc774 \uac00\uc9c4 \ud2b9\uc131\ub4e4\uc774 \uc0dd\uc874\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\ucce4\ub294\uc9c0 \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc804\ucc98\ub9ac \ubc0f \uc2dc\uac01\ud654<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub294 \uc77c\ubd80 \uacb0\uce21\uac12(missing value)\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 <code>Age<\/code> \uc5f4\uc5d0 \uacb0\uce21\uac12\uc774 \ub9ce\uc73c\ubbc0\ub85c, \uc774\ub97c \ucc98\ub9ac\ud574 \uc918\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \uc804\ucc98\ub9ac \uc791\uc5c5\uc744 \uc218\ud589\ud55c \ud6c4, \uc2b9\uac1d\uc758 \ub098\uc774\uc640 \uc131\ubcc4, \ud0d1\uc2b9 \ud074\ub798\uc2a4\ubcc4 \uc0dd\uc874\uc728\uc744 \uc2dc\uac01\ud654\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc804\ucc98\ub9ac<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \uacb0\uce21\uce58 \ucc98\ub9ac (\uacb0\uce21\uac12\uc744 \uc911\uc559\uac12\uc73c\ub85c \ub300\uccb4)\ntitanic$Age&#91;is.na(titanic$Age)] &lt;- median(titanic$Age, na.rm = TRUE)\n\n# \ub370\uc774\ud130 \uad6c\uc870 \ud655\uc778\nsummary(titanic$Age)\n\n# \uc704 \ucf54\ub4dc \uc2e4\ud589\uacb0\uacfc #\n   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. \n   0.42   22.00   28.00   29.36   35.00   80.00 <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\uc5d0\uc11c\ub294 \ub098\uc774\uc758 <strong>\uacb0\uce21\uac12\uc744 \uc911\uc559\uac12\uc73c\ub85c \ub300\uccb4<\/strong>\ud588\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\ucc98\ub9ac\ud558\uace0 \ub098\uc774\uc5d0 \ub300\ud574\uc11c \ub370\uc774\ud130 \uad6c\uc870\ub97c \ud655\uc778\ud574 \ubcf4\ub2c8 \ud3c9\uade0\uc774 29.36\uc138\uc774\uace0 \uc911\uac04 \ub098\uc774\ub294 28\uc138\uc774\ub124\uc694. \ucd5c\ub300 \ucd5c\uc18c \ub098\uc774\ub97c \ubcf4\ub2c8 \uadf8 \uac04\uaca9\uc774 80\ub144\uc774\ub098 \ub418\ub124\uc694. \uc774\uc81c \ub098\uc774\uc640 \uc131\ubcc4, \ud0d1\uc2b9 \ud074\ub798\uc2a4\uc5d0 \ub530\ub978 \uc0dd\uc874\uc728\uc744 \uc2dc\uac01\ud654\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\uc5d0\uc11c \uc0dd\uc874\uc728 \uc2dc\uac01\ud654<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># ggplot2 \uc124\uce58 \ubc0f \ub85c\ub4dc\ninstall.packages(\"ggplot2\") # \uc124\uce58\ub41c \uacbd\uc6b0\ub294 \uc0ad\uc81c\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4.\nlibrary(ggplot2)\n\n# \uc131\ubcc4\uacfc \ud0d1\uc2b9 \ud074\ub798\uc2a4\uc5d0 \ub530\ub978 \uc0dd\uc874\uc728 \uc2dc\uac01\ud654\nggplot(titanic, aes(x=Pclass, fill=as.factor(Survived))) +\n  geom_bar(position=\"fill\") +\n  facet_wrap(~Sex) +\n  labs(title=\"\uc131\ubcc4 \ubc0f \ud0d1\uc2b9 \ud074\ub798\uc2a4\uc5d0 \ub530\ub978 \uc0dd\uc874\uc728\", x=\"\ud0d1\uc2b9 \ud074\ub798\uc2a4\", y=\"\ube44\uc728\", fill=\"\uc0dd\uc874 \uc5ec\ubd80\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c\ub97c \ud1b5\ud574 \uc131\ubcc4\uacfc \ud0d1\uc2b9 \ud074\ub798\uc2a4\ubcc4 \uc0dd\uc874\uc728\uc744 \uc9c1\uad00\uc801\uc73c\ub85c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 1\ub4f1\uc11d\uc5d0 \ud0c4 \uc5ec\uc131 \uc2b9\uac1d\uc758 \uc0dd\uc874\uc728\uc774 \ub9e4\uc6b0 \ub192\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ud655\uc778\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uc0dd\uc874 \uc5ec\ubd80\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce5c \uc694\uc778 \uc911 \ud558\ub098\uc784\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub0a8\uc131\uc758 \uacbd\uc6b0\ub294 \ud074\ub798\uc2a4\uc5d0 \ub530\ub978 \uc0dd\uc874 \uc5ec\ubd80\uac00 \uadf8\ub807\uac8c \ud06c\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc74c\uc744 \uc54c \uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image2765_687bc3-b6 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-image2765_687bc3-b6 img.kb-img, .kb-image2765_687bc3-b6 .kb-img img{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_687bc3-b6\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11.jpg\" class=\"kb-advanced-image-link\"><img decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c-\ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130 \uc2dc\uac01\ud6541\" class=\"kb-img wp-image-2774\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11.jpg 1200w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11-300x200.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11-600x400.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-11-768x512.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\ub97c \uc774\uc6a9\ud55c \uc0dd\uc874 \uc608\uce21 \ubaa8\ub378<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc81c \ubcf8\uaca9\uc801\uc73c\ub85c \uc608\uce21 \ubaa8\ub378\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ubc88\uc5d0\ub294 <strong>\ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0dd\uc874 \uc5ec\ubd80\ub97c \uc608\uce21\ud558\ub294 \uac04\ub2e8\ud55c \ubaa8\ub378\uc744 \uad6c\ucd95\ud558\uaca0\uc2b5\ub2c8\ub2e4. \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\ub294 \uc774\uc9c4 \ubd84\ub958 \ubb38\uc81c\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \uae30\ubc95\uc73c\ub85c, \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc2b9\uac1d\uc758 \uc0dd\uc874 \uc5ec\ubd80\ub97c \uc608\uce21\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\uc5d0\uc11c \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378 \uad6c\ucd95<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378 \uad6c\ucd95\nmodel &lt;- glm(Survived ~ Pclass + Sex + Age + Fare, data=titanic, family=binomial)\n\n# \ubaa8\ub378 \uc694\uc57d\nsummary(model)\n\n# \ucf54\ub4dc \uc2e4\ud589\uacb0\uacfc #\nCall:\nglm(formula = Survived ~ Pclass + Sex + Age + Fare, family = binomial, \n    data = titanic)\n\nCoefficients:\n              Estimate Std. Error z value Pr(>|z|)    \n(Intercept)  4.6553374  0.5085945   9.153  &lt; 2e-16 ***\nPclass      -1.1529180  0.1355637  -8.505  &lt; 2e-16 ***\nSexmale     -2.6072959  0.1872514 -13.924  &lt; 2e-16 ***\nAge         -0.0331244  0.0073991  -4.477 7.58e-06 ***\nFare         0.0005922  0.0020347   0.291    0.771    \n---\nSignif. codes:  0 \u2018***\u2019 0.001 \u2018**\u2019 0.01 \u2018*\u2019 0.05 \u2018.\u2019 0.1 \u2018 \u2019 1\n\n(Dispersion parameter for binomial family taken to be 1)\n\n    Null deviance: 1186.7  on 890  degrees of freedom\nResidual deviance:  805.5  on 886  degrees of freedom\nAIC: 815.5\n\nNumber of Fisher Scoring iterations: 5<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ucf54\ub4dc\ub97c \ud1b5\ud574 \ud0d1\uc2b9 \ud074\ub798\uc2a4, \uc131\ubcc4, \ub098\uc774, \uc6b4\uc784\uc744 \ub3c5\ub9bd \ubcc0\uc218\ub85c \uc124\uc815\ud558\uc5ec \uc0dd\uc874 \uc5ec\ubd80\ub97c \uc608\uce21\ud558\ub294 \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>summary()<\/code> \ud568\uc218\ub294 \ubaa8\ub378\uc758 \uacc4\uc218\ub97c \ubcf4\uc5ec\uc8fc\uba70, \uc5b4\ub5a4 \ubcc0\uc218\uac00 \uc0dd\uc874\uc5d0 \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.wp-block-kadence-column.kb-section-dir-horizontal > .kt-inside-inner-col > .kt-info-box2765_e742fb-d8 .kt-blocks-info-box-link-wrap{max-width:unset;}.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-link-wrap{border-top:5px solid var(--global-palette7, #eeeeee);border-right:5px solid var(--global-palette7, #eeeeee);border-bottom:5px solid var(--global-palette7, #eeeeee);border-left:5px solid var(--global-palette7, #eeeeee);background:#ffffff;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-info-box2765_e742fb-d8 .kadence-info-box-icon-container .kt-info-svg-icon, .kt-info-box2765_e742fb-d8 .kt-info-svg-icon-flip, .kt-info-box2765_e742fb-d8 .kt-blocks-info-box-number{font-size:50px;}.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-media{background:var(--global-palette7, #eeeeee);border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;}.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-media-container{margin-top:0px;margin-right:0px;margin-bottom:16px;margin-left:0px;}.kt-info-box2765_e742fb-d8 .kt-infobox-textcontent h5.kt-blocks-info-box-title{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-learnmore{background:transparent;border-width:0px 0px 0px 0px;padding-top:4px;padding-right:8px;padding-bottom:4px;padding-left:8px;margin-top:10px;margin-right:0px;margin-bottom:10px;margin-left:0px;}@media all and (max-width: 1024px){.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-link-wrap{border-top:5px solid var(--global-palette7, #eeeeee);border-right:5px solid var(--global-palette7, #eeeeee);border-bottom:5px solid var(--global-palette7, #eeeeee);border-left:5px solid var(--global-palette7, #eeeeee);}}@media all and (max-width: 767px){.kt-info-box2765_e742fb-d8 .kt-blocks-info-box-link-wrap{border-top:5px solid var(--global-palette7, #eeeeee);border-right:5px solid var(--global-palette7, #eeeeee);border-bottom:5px solid var(--global-palette7, #eeeeee);border-left:5px solid var(--global-palette7, #eeeeee);}}<\/style>\n<div class=\"wp-block-kadence-infobox kt-info-box2765_e742fb-d8\"><span class=\"kt-blocks-info-box-link-wrap info-box-link kt-blocks-info-box-media-align-top kt-info-halign-left\"><div class=\"kt-blocks-info-box-media-container\"><div class=\"kt-blocks-info-box-media kt-info-media-animate-none\"><div class=\"kadence-info-box-icon-container kt-info-icon-animate-none\"><div class=\"kadence-info-box-icon-inner-container\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_alertCircle kt-info-svg-icon\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"8\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"16\"\/><\/svg><\/span><\/div><\/div><\/div><\/div><div class=\"kt-infobox-textcontent\"><h5 class=\"kt-blocks-info-box-title\">\ud1b5\uacc4\uc218\uce58 \uc124\uba85 <\/h5><p class=\"kt-blocks-info-box-text\"><strong>(\ubaa8\ub378 \uc124\uba85)<br><\/strong>glm(formula = Survived ~ Pclass + Sex + Age + Fare, family = binomial, data = titanic)<br>Survived (\uc0dd\uc874 \uc5ec\ubd80)\ub97c <strong>\uc885\uc18d \ubcc0\uc218<\/strong>\ub85c \ub450\uace0, Pclass(\ud0d1\uc2b9 \ud074\ub798\uc2a4), Sex(\uc131\ubcc4), Age(\ub098\uc774), Fare(\uc6b4\uc784)\ub97c <strong>\ub3c5\ub9bd \ubcc0\uc218<\/strong>\ub85c \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. family = binomial\uc740 \uc774 \ubaa8\ub378\uc774 <strong>\uc774\uc9c4 \ubd84\ub958<\/strong> \ubb38\uc81c\ub97c \ub2e4\ub8ec\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc989, \uc0dd\uc874 \uc5ec\ubd80\uac00 0(\uc0ac\ub9dd) \ub610\ub294 1(\uc0dd\uc874)\uc73c\ub85c \ubd84\ub958\ub429\ub2c8\ub2e4.<br><strong>(Coefficients \uacc4\uc218 \uc124\uba85)<br>&#8211; Intercept(y\uc808\ud3b8)<br><\/strong>Estimate (\ucd94\uc815\uce58): 4.655<br>\uc758\ubbf8: \uc774 \uac12\uc740 \ubaa8\ub4e0 \ub3c5\ub9bd \ubcc0\uc218\uac00 0\uc77c \ub54c\uc758 \uc0dd\uc874 \ud655\ub960\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc5d0\uc11c\ub294 \uc774 \uac12\uc744 \ud574\uc11d\ud558\ub294 \uac83\uc774 \ub2e4\uc18c \ubcf5\uc7a1\ud560 \uc218 \uc788\uc9c0\ub9cc, \uae30\ubcf8\uc801\uc73c\ub85c \uc774\ub294 \ud2b9\uc815 \ubcc0\uc218\uac00 \uc5c6\uc744 \ub54c\uc758 \uc0dd\uc874 \uac00\ub2a5\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<br><strong>&#8211; Pclass (\ud0d1\uc2b9 \ud074\ub798\uc2a4)<br><\/strong>Estimate (\ucd94\uc815\uce58): -1.153<br>\uc758\ubbf8: \ud074\ub798\uc2a4\uac00 1\ub4f1\uc11d\uc5d0\uc11c 3\ub4f1\uc11d\uc73c\ub85c \uac08\uc218\ub85d \uc0dd\uc874 \ud655\ub960\uc774 \uac10\uc18c\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uacc4\uc218\uac00 \uc74c\uc218\uc774\uae30 \ub54c\ubb38\uc5d0, \ud0d1\uc2b9 \ud074\ub798\uc2a4\uac00 \ub192\uc744\uc218\ub85d(1\ub4f1\uc11d) \uc0dd\uc874 \ud655\ub960\uc774 \ub192\uace0, \ub0ae\uc744\uc218\ub85d(3\ub4f1\uc11d) \uc0dd\uc874 \ud655\ub960\uc774 \ub0ae\uc544\uc9d1\ub2c8\ub2e4.<br><strong>&#8211; Sex (\uc131\ubcc4: \ub0a8\uc131)<br><\/strong>Estimate (\ucd94\uc815\uce58): -2.607<br>\uc758\ubbf8: \uc131\ubcc4\uc774 \ub0a8\uc131\uc77c \uacbd\uc6b0, \uc0dd\uc874 \ud655\ub960\uc774 \ub0ae\uc544\uc9c4\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub0a8\uc131\uc774 \uc5ec\uc131\ubcf4\ub2e4 \uc0dd\uc874\ud560 \ud655\ub960\uc774 \ub354 \ub0ae\uc74c\uc744 \ub098\ud0c0\ub0b4\uba70, \uc774\ub294 \ud0c0\uc774\ud0c0\ub2c9 \uc0ac\uace0 \ub2f9\uc2dc &#8220;\uc5ec\uc131 \uc6b0\uc120&#8221; \uad6c\uc870 \uc6d0\uce59\uacfc \uc77c\uce58\ud558\ub294 \uacb0\uacfc\uc785\ub2c8\ub2e4.<br><strong>&#8211; Age (\ub098\uc774)<br><\/strong>Estimate (\ucd94\uc815\uce58): -0.033<br>\uc758\ubbf8: \ub098\uc774\uac00 \ub9ce\uc744\uc218\ub85d \uc0dd\uc874 \ud655\ub960\uc774 \uc57d\uac04 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \ub098\uc774\uc758 \uacc4\uc218\ub294 \uc74c\uc218\uc774\ubbc0\ub85c, \ub098\uc774\uac00 \ub9ce\uc544\uc9c8\uc218\ub85d \uc0dd\uc874 \ud655\ub960\uc774 \uc57d\uac04 \uac10\uc18c\ud569\ub2c8\ub2e4.<br><strong>&#8211; Fare (\uc6b4\uc784)<br><\/strong>Estimate (\ucd94\uc815\uce58): 0.000592<br>\uc758\ubbf8: \uc6b4\uc784\uc774 \ub192\uc744\uc218\ub85d \uc0dd\uc874 \ud655\ub960\uc774 \uc99d\uac00\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc9c0\ub9cc, \uc774 \uac12\uc740 \ub9e4\uc6b0 \uc791\uace0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\uc9c0 \uc54a\ub2e4\uace0 \ud310\ub2e8\ub429\ub2c8\ub2e4. \uc2e4\uc81c\ub85c p-value(Pr(>|z|))\uac00 0.771\ub85c, \uc6b4\uc784\uc774 \uc0dd\uc874 \uc5ec\ubd80\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 \uac70\uc758 \uc5c6\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<br><strong>&#8211; p-\uac12(Pr(>|z|))<br><\/strong>p-value\ub294 \uac01 \ubcc0\uc218\uc758 \ud1b5\uacc4\uc801 \uc720\uc758\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uac12\uc774 0.05\ubcf4\ub2e4 \uc791\uc73c\uba74 \ud574\ub2f9 \ubcc0\uc218\ub294 \uc0dd\uc874 \uc5ec\ubd80\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4\uace0 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\uc5d0\uc11c \uc138 \uac1c\uc758 \ubcc0\uc218\ub294 \ub9e4\uc6b0 \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \uac01\uac01\uc758 p-value\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<br>Pclass: &lt; 2e-16 (\ub9e4\uc6b0 \uc720\uc758\ubbf8) | Sex: &lt; 2e-16 (\ub9e4\uc6b0 \uc720\uc758\ubbf8) | Age: 7.58e-06 (\ub9e4\uc6b0 \uc720\uc758\ubbf8)<br>\ubc18\uba74, Fare\ub294 p-value\uac00 0.771\ub85c \uc0dd\uc874 \uc5ec\ubd80\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br><strong>&#8211; \ubb34\uc774\ud0c8\ub3c4 \ubc0f \uc794\uc5ec \uc774\ud0c8\ub3c4<br><\/strong>Null deviance: 1186.7<br>\ubaa8\ub378\uc744 \uc801\uc6a9\ud558\uc9c0 \uc54a\uace0 \ud3c9\uade0\uac12\uc73c\ub85c\ub9cc \uc608\uce21\ud588\uc744 \ub54c\uc758 \uc624\ucc28\uc785\ub2c8\ub2e4.<br>Residual deviance: 805.5<br>\ubaa8\ub378\uc744 \uc801\uc6a9\ud55c \ud6c4 \ub0a8\uc740 \uc624\ucc28\uc785\ub2c8\ub2e4. \uc774 \ub450 \uac12\uc744 \ube44\uad50\ud558\uba74 \ubaa8\ub378\uc774 \uc5bc\ub9c8\ub098 \uc798 \uc791\ub3d9\ud588\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc624\ucc28\uac00 \uc904\uc5b4\ub4e4\uc5c8\uae30 \ub54c\ubb38\uc5d0 \uc774 \ubaa8\ub378\uc774 \uc720\uc758\ubbf8\ud55c \uc131\ub2a5\uc744 \ubcf4\uc600\ub2e4\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br><strong>-AIC(\uc544\uce74\uc774\ucf00 \uc815\ubcf4 \uae30\uc900): 815.5<br><\/strong>AIC\ub294 \ubaa8\ub378\uc758 \uc801\ud569\ub3c4\ub97c \ub098\ud0c0\ub0b4\uba70, \uac12\uc774 \ub0ae\uc744\uc218\ub85d \ub354 \uc88b\uc740 \ubaa8\ub378\uc785\ub2c8\ub2e4. AIC\ub294 \ub2e4\ub978 \ubaa8\ub378\uacfc \ube44\uad50\ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<br><strong>(\uc885\ud569 \uc815\ub9ac)<br><\/strong>\ud0d1\uc2b9 \ud074\ub798\uc2a4, \uc131\ubcc4, \ub098\uc774 \ubaa8\ub450 \uc0dd\uc874 \ud655\ub960\uc5d0 \ub9e4\uc6b0 \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\ucce4\uc73c\uba70, \ud2b9\ud788 \ud0d1\uc2b9 \ud074\ub798\uc2a4\uc640 \uc131\ubcc4\uc740 \uac00\uc7a5 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce5c \uc694\uc778\uc785\ub2c8\ub2e4. \uc6b4\uc784\uc740 \uc0dd\uc874\uc5d0 \uc720\uc758\ubbf8\ud55c \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \uc804\uccb4\uc801\uc73c\ub85c \uc774 \ubaa8\ub378\uc740 \ud0c0\uc774\ud0c0\ub2c9 \uc0dd\uc874\uc790\ub97c \uc608\uce21\ud558\ub294 \ub370\uc5d0 \uc801\ud569\ud55c \ubaa8\ub378\uc774\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/div><\/span><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\uc608\uce21 \uacb0\uacfc \ud3c9\uac00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub378\uc744 \uad6c\ucd95\ud55c \ud6c4\uc5d0\ub294 \uc774\ub97c \ud3c9\uac00\ud558\ub294 \uacfc\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uc774 \ubaa8\ub378\uc774 \uc5bc\ub9c8\ub098 \uc815\ud655\ud558\uac8c \uc0dd\uc874 \uc5ec\ubd80\ub97c \uc608\uce21\ud558\ub294\uc9c0 \ud3c9\uac00\ud558\uae30 \uc704\ud574 \uc608\uce21 \uac12\uc744 \uc0dd\uc131\ud558\uace0, \ud63c\ub3d9 \ud589\ub82c(confusion matrix)\uc744 \ud1b5\ud574 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \uc608\uce21 \uac12 \uc0dd\uc131\npred &lt;- predict(model, type=\"response\")\n\n# 0.5 \uc774\uc0c1\uc77c \uacbd\uc6b0 \uc0dd\uc874\uc73c\ub85c \uac04\uc8fc\npred_class &lt;- ifelse(pred > 0.5, 1, 0)\n\n# \uc2e4\uc81c \uac12\uacfc \ube44\uad50\ud558\uc5ec \ud63c\ub3d9 \ud589\ub82c \uc0dd\uc131\ntable(pred_class, titanic$Survived)\n\n# \ucf54\ub4dc \uc2e4\ud589\uacb0\uacfc #\npred_class   0   1\n         0 469  98\n         1  80 244<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 <strong>\ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c<\/strong>\uc5d0\uc11c\ub294 \uc608\uce21 \uac12\uc774 0.5 \uc774\uc0c1\uc774\uba74 \uc0dd\uc874(1), \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uc0ac\ub9dd(0)\uc73c\ub85c \ubd84\ub958\ud558\uc5ec \uc2e4\uc81c \uac12\uacfc \ube44\uad50\ud569\ub2c8\ub2e4. \ud63c\ub3d9 \ud589\ub82c\uc744 \ud1b5\ud574 \ubaa8\ub378\uc758 \uc815\ud655\ub3c4\uc640 \uc608\uce21 \uc131\ub2a5\uc744 \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ub378\uc740 \uc0c1\ub2f9\ud788 \uc815\ud655(80%)\ud558\uc5ec \ub300\ubd80\ubd84\uc758 \uc2b9\uac1d\uc758 \uc0dd\uc874 \uc0c1\ud0dc\ub97c \uc815\ud655\ud558\uac8c \uc608\uce21\ud569\ub2c8\ub2e4. \uc815\ubc00\ub3c4(75.3%)\uac00 \ub192\uc544\uc11c \uc989, \ub204\uad70\uac00\uac00 \uc0b4\uc544\ub0a8\uc744 \uac83\uc774\ub77c\uace0 \uc608\uce21\ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \ub9de\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 <a href=\"https:\/\/ailib.secondlife.lol\/understanding-precision-vs-recall\/\" data-type=\"link\" data-id=\"https:\/\/ailib.secondlife.lol\/understanding-precision-vs-recall\/\">\uc7ac\ud604\uc728<\/a>(71.4%)\uc5d0\uc11c\ub294 \uc77c\ubd80 \uc0dd\uc874\uc790\ub97c \ub9de\ucd94\uc9c0 \ubabb\ud558\uace0 \ube44\uc0dd\uc874\uc790\ub85c \uc608\uce21\ud558\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc2b9\uac1d\uc774 \uc0dd\uc874\ud558\uc9c0 \uc54a\uc558\ub294\ub370 \uc0dd\uc874\ud588\ub2e4\uace0 \uc798\ubabb \uc608\uce21\ud558\ub294 \uac70\uc9d3\uc591\uc131\ub960(14.6%)\ub3c4 \uc77c\ubd80 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><style>.kb-image2765_352169-ae .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_352169-ae\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"470\" height=\"67\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-12.jpg\" alt=\"\" class=\"kb-img wp-image-2775\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-12.jpg 470w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-12-300x43.jpg 300w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><style>.kb-image2765_69486e-43 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_69486e-43\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"470\" height=\"67\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-13.jpg\" alt=\"\" class=\"kb-img wp-image-2776\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-13.jpg 470w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-13-300x43.jpg 300w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><style>.kb-image2765_276bd6-f9 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_276bd6-f9\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"470\" height=\"67\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-14.jpg\" alt=\"\" class=\"kb-img wp-image-2777\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-14.jpg 470w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-14-300x43.jpg 300w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><style>.kb-image2765_cd1660-dc .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_cd1660-dc\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"470\" height=\"67\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-15.jpg\" alt=\"\" class=\"kb-img wp-image-2778\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-15.jpg 470w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-15-300x43.jpg 300w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\ub370\uc774\ud130 \ubd84\uc11d\uc5d0\uc11c \ud754\ud788 \ud558\ub294 \uc2e4\uc218\uc640 \ud574\uacb0 \ubc29\ubc95<\/h2>\n\n\n<style>.kb-image2765_2a6a45-e4 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-image2765_2a6a45-e4 img.kb-img, .kb-image2765_2a6a45-e4 .kb-img img{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}<\/style>\n<div class=\"wp-block-kadence-image kb-image2765_2a6a45-e4\"><figure class=\"aligncenter size-medium_large\"><img decoding=\"async\" width=\"768\" height=\"229\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-16-768x229.jpg\" alt=\"R \ub370\uc774\ud130\ubd84\uc11d \uc608\uc815 - \uc8fc\uc694 \uc2e4\uc218 \uadf8\ub9bc\" class=\"kb-img wp-image-2780\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-16-768x229.jpg 768w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-16-300x90.jpg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-16-600x179.jpg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/10\/image-16.jpg 1200w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130 \ubd84\uc11d\uc744 \uc9c4\ud589\ud558\ub2e4 \ubcf4\uba74 \ub2e4\uc591\ud55c \uc2e4\uc218\ub97c \uc800\uc9c0\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc8fc\uc694 \uc2e4\uc218\uc640 \uadf8 \ud574\uacb0 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\uacb0\uce21\uce58 \ucc98\ub9ac\uc758 \uc2e4\uc218<\/strong>: \uacb0\uce21\uce58\ub97c \ub2e8\uc21c\ud788 \uc81c\uac70\ud558\uac70\ub098 \uc798\ubabb \ucc98\ub9ac\ud558\uba74 \ubd84\uc11d \uacb0\uacfc\uac00 \uc65c\uace1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uce21\uce58\ub97c \ucc98\ub9ac\ud560 \ub54c\ub294 \uc911\uc559\uac12\uc774\ub098 \ud3c9\uade0\uac12, \ub610\ub294 \ubaa8\ub378\ub9c1 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub300\uccb4\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub370\uc774\ud130 \uc2a4\ucf00\uc77c\ub9c1 \ubd80\uc871<\/strong>: \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uc758 \uc2a4\ucf00\uc77c \ucc28\uc774\uac00 \ud06c\uba74 \ubaa8\ub378 \uc131\ub2a5\uc774 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \uc6b4\uc784(Fare)\uacfc \uac19\uc740 \ubcc0\uc218\ub294 \uc2a4\ucf00\uc77c\ub9c1 \ucc98\ub9ac\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uacfc\uc801\ud569 \ubb38\uc81c<\/strong>: \ud559\uc2b5 \ub370\uc774\ud130\uc5d0\ub9cc \ub108\ubb34 \uc801\ud569\ub41c \ubaa8\ub378\uc744 \ub9cc\ub4e4\uba74, \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc608\uce21 \uc131\ub2a5\uc774 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7f4 \ub54c\ub294 \uad50\ucc28 \uac80\uc99d(Cross-validation)\uc744 \ud1b5\ud574 \ubaa8\ub378 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1: \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub294 \uc5b4\ub514\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\ub098\uc694?<\/strong><br>A: \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\uc14b\uc740 Kaggle\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ub370\uc774\ud130\uc14b\uacfc \ud568\uaed8 \uc81c\uacf5\ub418\uba70, \ubaa8\ub378\ub9c1 \uc2e4\uc2b5\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2: \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378\uc740 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098\uc694?<\/strong><br>A: \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\ub294 \uc5f0\uc18d \ubcc0\uc218\uac00 \uc544\ub2cc \uc774\uc9c4 \ubcc0\uc218\ub97c \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud655\ub960 \uac12\uc744 \ucd9c\ub825\ud558\uba70, \uc774\ub97c \uae30\uc900\uc73c\ub85c \ud2b9\uc815 \uc0ac\uac74\uc758 \ubc1c\uc0dd \uac00\ub2a5\uc131\uc744 \uc608\uce21\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3: \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc5d0\uc11c \uacb0\uce21\uac12\uc744 \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud574\uc57c \ud558\ub098\uc694?<\/strong><br>A: \uacb0\uce21\uac12\uc744 \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc740 \uc0c1\ud669\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc911\uc559\uac12\uc774\ub098 \ud3c9\uade0\uac12\uc73c\ub85c \ub300\uccb4\ud558\uac70\ub098, \uacb0\uce21\uce58\ub97c \ud3ec\ud568\ud55c \ubaa8\ub378\ub9c1 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc815\ub9ac\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubd84\uc11d \uc608\uc81c\ub85c \ud0c0\uc774\ud0c0\ub2c9 \uc0dd\uc874\uc790 \ub370\uc774\ud130\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0dd\uc874 \uc608\uce21 \ubaa8\ub378\uc744 \uad6c\ucd95\ud574 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc804\ucc98\ub9ac\ud558\uace0, \ub2e4\uc591\ud55c \uc2dc\uac01\ud654\ub97c \ud1b5\ud574 \uc778\uc0ac\uc774\ud2b8\ub97c \uc5bb\uc5c8\uc73c\uba70, \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uce21 \ubd84\uc11d\uc744 \uc9c4\ud589\ud588\uc2b5\ub2c8\ub2e4. \ud0c0\uc774\ud0c0\ub2c9 \ub370\uc774\ud130\ub294 \ub370\uc774\ud130 \ubd84\uc11d\uc758 \uae30\ucd08\ubd80\ud130 \uc2e4\uc804 \uc751\uc6a9\uae4c\uc9c0 \ud3ed\ub113\uac8c \ud65c\uc6a9\ub420 \uc218 \uc788\ub294 \ud6cc\ub96d\ud55c \ud559\uc2b5 \uc790\ub8cc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p 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