{"id":4027,"date":"2023-07-14T02:03:32","date_gmt":"2023-07-14T02:03:32","guid":{"rendered":"https:\/\/statorials.org\/ko\/r-%e1%84%86%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8f%e1%85%b3%e1%84%85%e1%85%a9%e1%84%87%e1%85%a6%e1%86%ab%e1%84%8e%e1%85%b5%e1%84%86%e1%85%a1%e1%84%8f%e1%85%b3\/"},"modified":"2023-07-14T02:03:32","modified_gmt":"2023-07-14T02:03:32","slug":"r-%e1%84%86%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8f%e1%85%b3%e1%84%85%e1%85%a9%e1%84%87%e1%85%a6%e1%86%ab%e1%84%8e%e1%85%b5%e1%84%86%e1%85%a1%e1%84%8f%e1%85%b3","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/r-%e1%84%86%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8f%e1%85%b3%e1%84%85%e1%85%a9%e1%84%87%e1%85%a6%e1%86%ab%e1%84%8e%e1%85%b5%e1%84%86%e1%85%a1%e1%84%8f%e1%85%b3\/","title":{"rendered":"A: microbenchmark \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e4\ud589 \uc2dc\uac04\uc744 \uce21\uc815\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R\uc758 <strong>microbenchmark<\/strong> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud45c\ud604\uc2dd\uc758 \uc2e4\ud589 \uc2dc\uac04\uc744 \ube44\uad50\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub97c \uc218\ud589\ud558\ub824\uba74 \ub2e4\uc74c \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (microbenchmark)\n\n<span style=\"color: #008080;\">#compare execution time of two different expressions\n<\/span>microbenchmark(\n  expression1,\n  expression2)\n)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uc2e4\uc81c\ub85c \uc774 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uc608: R\uc5d0\uc11c microbenchmark() \uc0ac\uc6a9<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc591\ud55c \ub18d\uad6c\ud300\uc758 \uc120\uc218\ub4e4\uc774 \ub4dd\uc810\ud55c \uc810\uc218\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ud3ec\ud568\ud558\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130 \ud504\ub808\uc784\uc774 R\uc5d0 \uc788\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#make this example reproducible\n<\/span>set. <span style=\"color: #3366ff;\">seed<\/span> ( <span style=\"color: #008000;\">1<\/span> )\n\n<span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> '), each= <span style=\"color: #008000;\">500<\/span> ),\n                 points=rnorm( <span style=\"color: #008000;\">1000<\/span> , mean= <span style=\"color: #008000;\">20<\/span> ))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>head(df)\n\n  team points\n1 A 19.37355\n2 A 20.18364\n3 A 19.16437\n4 A 21.59528\n5 A 20.32951\n6 A 19.17953\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\uc774\uc81c \ub450 \uac00\uc9c0 \ub2e4\ub978 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac01 \ud300\uc758 \ud50c\ub808\uc774\uc5b4\uac00 \ub4dd\uc810\ud55c \ud3c9\uade0 \uc810\uc218\ub97c \uacc4\uc0b0\ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\ubc29\ubc95 1<\/strong> : Base R\uc5d0\uc11c <strong>Aggregate()<\/strong> \uc0ac\uc6a9<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\ubc29\ubc95 2<\/strong> : dplyr\uc758 <strong>group_by()<\/strong> \ubc0f <strong>summarise_at()<\/strong> \uc0ac\uc6a9<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>microbenchmark()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ub7ec\ud55c \uac01 \ud45c\ud604\uc2dd\uc744 \uc2e4\ud589\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (microbenchmark)\n<span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#time how long it takes to calculate mean value of points by team\n<\/span>microbenchmark(\n  aggregate(df$points, list(df$team), FUN=mean),\n  df %&gt;% group_by(team) %&gt;% summarise_at(vars(points), list(name = mean))\n)\n\nUnit: milliseconds\n                                                                    express\n                         aggregate(df$points, list(df$team), FUN = mean)\n df %&gt;% group_by(team) %&gt;% summarise_at(vars(points), list(name = mean))\n      min lq mean median uq max neval cld\n 1.307908 1.524078 1.852167 1.743568 2.093813 4.67408 100 a \n 6.788584 7.810932 9.946286 8.914692 10.239904 56.20928 100 b\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>microbenchmark()<\/strong> \ud568\uc218\ub294 \uac01 \ud45c\ud604\uc2dd\uc744 100\ubc88 \uc2e4\ud589\ud558\uace0 \ub2e4\uc74c \uce21\uc815\ud56d\ubaa9\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>min<\/strong> : \uc2e4\ud589\uc5d0 \ud544\uc694\ud55c \ucd5c\uc18c \uc2dc\uac04<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>lq<\/strong> : \uc644\ub8cc\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc2dc\uac04\uc758 \ud558\uc704 \uc0ac\ubd84\uc704\uc218(25\ubc88\uc9f8 \ubc31\ubd84\uc704\uc218)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\ud3c9\uade0<\/strong> : \uc2e4\ud589\uc5d0 \uc18c\uc694\ub418\ub294 \ud3c9\uade0 \uc2dc\uac04<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>median<\/strong> : \uc911\uc559\uac12 \uc2e4\ud589 \uc2dc\uac04<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>uq<\/strong> : \uc2e4\ud589\uc5d0 \ud544\uc694\ud55c \uc2dc\uac04\uc758 \uc0c1\uc704 \uc0ac\ubd84\uc704\uc218(75\ubc88\uc9f8 \ubc31\ubd84\uc704\uc218)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>max<\/strong> : \uc2e4\ud589\uc5d0 \ud544\uc694\ud55c \ucd5c\ub300 \uc2dc\uac04<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>neval<\/strong> : \uac01 \ud45c\ud604\uc2dd\uc774 \ud3c9\uac00\ub41c \ud69f\uc218<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc77c\ubc18\uc801\uc73c\ub85c \uac01 \ud45c\ud604\uc2dd\uc744 \uc2e4\ud589\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \ud3c9\uade0 \ub610\ub294 \uc911\uc559\uac12 \uc2dc\uac04\ub9cc \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uacb0\uacfc\uc5d0\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uc74c\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">R \uae30\ubc18 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud300 \ud3ec\uc778\ud2b8 \ud3c9\uade0\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \ud3c9\uade0 <strong>1,852ms<\/strong> \uc758 \uc2dc\uac04\uc774 \uac78\ub838\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">dplyr \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud300\ub2f9 \ud3c9\uade0 \ud3ec\uc778\ud2b8\ub97c \uacc4\uc0b0\ud558\ub294 \ub370 \ud3c9\uade0 <strong>9.946ms<\/strong> \uc758 \uc2dc\uac04\uc774 \uac78\ub838\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc774\ub7ec\ud55c \uacb0\uacfc\ub97c \ubc14\ud0d5\uc73c\ub85c \uae30\ubcf8 R \ubc29\ubc95\uc774 \ud6e8\uc52c \ub354 \ube60\ub974\ub2e4\ub294 \uacb0\ub860\uc744 \ub0b4\ub838\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c <strong>boxplot()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac01 \ud45c\ud604\uc2dd\uc744 \uc2e4\ud589\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc2dc\uac04 \ubd84\ud3ec\ub97c \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (microbenchmark)\n<span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#time how long it takes to calculate mean value of points by team\n<\/span>results &lt;- microbenchmark(\n  aggregate(df$points, list(df$team), FUN=mean),\n  df %&gt;% group_by(team) %&gt;% summarise_at(vars(points), list(name = mean))\n)\n\n<span style=\"color: #008080;\">#create boxplot to visualize results\n<\/span>boxplot(results, names=c(' <span style=\"color: #ff0000;\">Base R<\/span> ', ' <span style=\"color: #ff0000;\">dplyr<\/span> '))\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-32184\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/micro1.jpg\" alt=\"microbenchmark \ud328\ud0a4\uc9c0 boxplot\uc740 R\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.\" width=\"492\" height=\"448\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\uc0c1\uc790 \uadf8\ub9bc\uc5d0\uc11c dplyr \ubc29\ubc95\uc774 \ud300\ub2f9 \ud3c9\uade0 \uc810\uc218\ub97c \uacc4\uc0b0\ud558\ub294 \ub370 \ud3c9\uade0\uc801\uc73c\ub85c \ub354 \uc624\ub79c \uc2dc\uac04\uc774 \uac78\ub9ac\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ucc38\uace0<\/strong> : \uc774 \uc608\uc5d0\uc11c\ub294 <strong>microbenchmark()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc11c\ub85c \ub2e4\ub978 \ub450 \ud45c\ud604\uc2dd\uc758 \uc2e4\ud589 \uc2dc\uac04\uc744 \ube44\uad50\ud588\uc9c0\ub9cc \uc2e4\uc81c\ub85c\ub294 \uc6d0\ud558\ub294 \ub9cc\ud07c \ub9ce\uc740 \ud45c\ud604\uc2dd\uc744 \ube44\uad50\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc5d0\uc11c \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ko\/r\u110b\u1174-\u1106\u1167\u11bc\u1112\u116a\u11a8\u1112\u1161\u11ab-\u1112\u116a\u11ab\u1100\u1167\u11bc\/\" target=\"_blank\" rel=\"noopener\">R\uc5d0\uc11c \ud658\uacbd\uc744 \uc9c0\uc6b0\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/r\u110b\u1166\u1109\u1165-\u1112\u1173\u11ab\u110c\u1165\u11a8-\u110c\u1175\u110b\u116e\u1100\u1175\/\" target=\"_blank\" rel=\"noopener\">RStudio\uc5d0\uc11c \ubaa8\ub4e0 \ud50c\ub86f\uc744 \uc9c0\uc6b0\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u110b\u1167\u1105\u1165-\u1111\u1162\u110f\u1175\u110c\u1175\u1105\u1173\u11af-r\u110b\u1166-\u1105\u1169\u1103\u1173\/\" target=\"_blank\" rel=\"noopener\">R\uc5d0\uc11c \uc5ec\ub7ec \ud328\ud0a4\uc9c0\ub97c \ub85c\ub4dc\ud558\ub294 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\uc758 microbenchmark \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud45c\ud604\uc2dd\uc758 \uc2e4\ud589 \uc2dc\uac04\uc744 \ube44\uad50\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc218\ud589\ud558\ub824\uba74 \ub2e4\uc74c \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. library (microbenchmark) #compare execution time of two different expressions microbenchmark( expression1, expression2) ) \ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uc2e4\uc81c\ub85c \uc774 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc608: R\uc5d0\uc11c microbenchmark() \uc0ac\uc6a9 \ub2e4\uc591\ud55c \ub18d\uad6c\ud300\uc758 \uc120\uc218\ub4e4\uc774 \ub4dd\uc810\ud55c \uc810\uc218\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ud3ec\ud568\ud558\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130 \ud504\ub808\uc784\uc774 [&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-4027","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>A: \uc2e4\ud589 \uc2dc\uac04\uc744 \uce21\uc815\ud558\uae30 \uc704\ud574 microbenchmark \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95 - Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc5d0\uc11c microbenchmark \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc608\uc81c\ub97c \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc2e4\ud589\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/ko\/r-\u1106\u1161\u110b\u1175\u110f\u1173\u1105\u1169\u1107\u1166\u11ab\u110e\u1175\u1106\u1161\u110f\u1173\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A: \uc2e4\ud589 \uc2dc\uac04\uc744 \uce21\uc815\ud558\uae30 \uc704\ud574 microbenchmark \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95 - Statorials\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc5d0\uc11c 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