{"id":1777,"date":"2019-05-29T13:45:54","date_gmt":"2019-05-29T04:45:54","guid":{"rendered":"http:\/\/141.164.34.82\/?p=1777"},"modified":"2019-05-29T14:50:09","modified_gmt":"2019-05-29T05:50:09","slug":"%eb%8b%a4%ec%b0%a8%ec%9b%90-%eb%b0%b0%ec%97%b4-%eb%b3%80%ed%99%98%ed%95%98%ea%b3%a0-%ec%9a%94%ec%95%bd%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/ds.sumeun.org\/?p=1777","title":{"rendered":"\ub2e4\ucc28\uc6d0 \ubc30\uc5f4 : \ubcc0\ud658\ud558\uace0 \uc694\uc57d\ud558\uae30"},"content":{"rendered":"<h1>\ub2e4\ucc28\uc6d0 \ubc30\uc5f4 : \ubcc0\ud658\ud558\uace0 \uc694\uc57d\ud558\uae30<\/h1>\n<p>\ub2e4\uc74c\uc758 <code>height<\/code>\uc740 \ud559\uc0dd\ub4e4\uc758 \ud559\uad50(<code>school<\/code>), \uc131\ubcc4(<code>gender<\/code>), \uadf8\ub9ac\uace0 \ud0a4(<code>height<\/code>) \uc815\ubcf4\ub97c <strong>3\ucc28\uc6d0 \ubc30\uc5f4<\/strong>\uc5d0 \ub2f4\uace0 \uc788\ub2e4. <\/p>\n<pre><code class=\"r\">height &lt;-\n  structure(c(170, 180, 175, 169, 165, 173, 173, 181, 175, 166, \n              164, 155, 172, 184, 176, 167, 162, 164), \n            .Dim = c(3L, 2L, 3L), \n            .Dimnames = \n              list(c(&quot;A&quot;, &quot;B&quot;, &quot;C&quot;), c(&quot;M&quot;, &quot;F&quot;), c(&quot;1&quot;, &quot;2&quot;, &quot;3&quot;)))\nheight\n<\/code><\/pre>\n<pre>## , , 1\n## \n##     M   F\n## A 170 169\n## B 180 165\n## C 175 173\n## \n## , , 2\n## \n##     M   F\n## A 173 166\n## B 181 164\n## C 175 155\n## \n## , , 3\n## \n##     M   F\n## A 172 167\n## B 184 162\n## C 176 164\n<\/pre>\n<p>\ucc28\uc6d0\uc774 \ub298\uc5b4\ub0a0 \uc218\ub85d \uc6b0\ub9ac\ub294 \uc804\uccb4 \uc815\ubcf4\ub97c \uc801\uc808\ud558\uac8c \ucc98\ub9ac\ud558\uae30 \ud798\ub4e4\uc5b4 \uc9c4\ub2e4. \uc774\ub54c\uc5d0\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uccab \ubc88\uc9f8, \uc790\ub8cc\ub97c \uc6d0\ud558\ub294 \ud615\uc2dd\uc73c\ub85c <strong>\ubcc0\ud615<\/strong>\ud558\ub294 \uac83\uc774\uace0, \ub450 \ubc88\uc9f8, \uc790\ub8cc\ub97c \uc694\uc57d\ud558\uc5ec <strong>\ucc28\uc6d0\uc758 \uc218\ub97c \uc904\uc774\ub294 \uac83<\/strong>\uc774\ub2e4.<\/p>\n<h2>\ubc30\uc5f4 \ucc28\uc6d0\uc5d0 \uc774\ub984 \ubd99\uc5ec\uc8fc\uae30<\/h2>\n<p>\ubcf8\uaca9\uc801\uc73c\ub85c \ub4e4\uc5b4\uac00\uae30\uc5d0 \uc55e\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \ucc28\uc6d0\uc5d0 \uc774\ub984\uc744 \ubd99\uc5ec\uc8fc\uba74 \ub370\uc774\ud130\ub97c \ubcf4\uae30 \ud3b8\ud558\ub2e4.<\/p>\n<pre><code class=\"r\">names(dimnames(height)) = c(&quot;school&quot;, &quot;gender&quot;, &quot;number&quot;)\nheight\n<\/code><\/pre>\n<pre>## , , number = 1\n## \n##       gender\n## school   M   F\n##      A 170 169\n##      B 180 165\n##      C 175 173\n## \n## , , number = 2\n## \n##       gender\n## school   M   F\n##      A 173 166\n##      B 181 164\n##      C 175 155\n## \n## , , number = 3\n## \n##       gender\n## school   M   F\n##      A 172 167\n##      B 184 162\n##      C 176 164\n<\/pre>\n<h2>\ucc28\uc6d0 \uc7ac\ubc30\uc5f4\ud558\uae30<\/h2>\n<p>\uc704\uc758 \ucd9c\ub825 \uacb0\uacfc\ub97c \ubcf4\uba74 \ub3d9\uc77c\ud55c \ubc88\ud638(ex. 1,2,3)\uc758 \ud559\uc0dd \ud0a4\ub97c \uc11c\ub85c \ube44\uad50\ud558\uae30 \uc27d\uac8c \ub418\uc5b4 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ubc88\ud638 1\uc778 A\ud559\uad50\uc758 \ub0a8\uc790, \uc5ec\uc790 \ud559\uc0dd\uc758 \ud0a4\ub294 170, 169\uc774\uba74, B \ud559\uad50\uc758 \ub0a8\uc790, \uc5ec\uc790 \ud559\uc0dd\uc758 \ud0a4\ub294 180, 165\uc774\ub2e4. <\/p>\n<p>\ud558\uc9c0\ub9cc \uc11c\ub85c \ub2e4\ub978 \ubc88\ud638\uc758 \ud559\uc0dd \ud0a4\ub97c \ube44\uad50\ud558\uae30\ub294 \uc0c1\ub300\uc801\uc73c\ub85c \uc5b4\ub835\ub2e4. \uc608\ub97c \ub4e4\uc5b4 A\ud559\uad50\uc758 1\ubc88 \ub0a8\uc790, \uc5ec\uc790 \ud559\uc0dd\uacfc A\ud559\uad50\uc758 2\ubc88 \ub0a8\uc790, \uc5ec\uc790 \ud559\uc0dd\uc758 \ud0a4\ub97c \ube44\uad50\ud558\uace0 \uc2f6\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c? \ub450 \ud14c\uc774\ube14 \uc0ac\uc774\ub97c \uc654\ub2e4 \uac14\ub2e4 \ud558\ub294 \uc218 \ubc16\uc5d0 \uc5c6\ub2e4.<\/p>\n<p>\ud55c \uac00\uc9c0 \ub300\uc548\uc740 \uc790\ub8cc\ub97c \ubcc0\ud615\ud558\ub294 \uac83\uc774\ub2e4. \ud589\ub82c\uc744 \ucd9c\ub825\ud560 \ub54c \ucc98\uc74c \ub450 \ucc28\uc6d0\uc774 \ud558\ub098\uc758 \ud14c\uc774\ube14 \ud615\ud0dc\ub85c \ub098\ud0c0\ub098\uae30 \ub54c\ubb38\uc5d0 \uc11c\ub85c \ub2e4\ub978 \ubc88\ud638\ub07c\ub9ac \ube44\uad50\ud558\ub824\uba74 \ubc88\ud638\ub97c \ucc98\uc74c \ub450 \ucc28\uc6d0\uc758 \ud558\ub098\ub85c \uc774\ub3d9\uc2dc\ud0a4\ub294 \uac83\uc774\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ubc88\ud638\ub97c \uccab \ubc88\uc9f8 \ucc28\uc6d0\uc73c\ub85c \uc62e\uae34\ub2e4\uba74,<\/p>\n<pre><code class=\"r\">aperm(height, c(3,2,1))\n<\/code><\/pre>\n<pre>## , , school = A\n## \n##       gender\n## number   M   F\n##      1 170 169\n##      2 173 166\n##      3 172 167\n## \n## , , school = B\n## \n##       gender\n## number   M   F\n##      1 180 165\n##      2 181 164\n##      3 184 162\n## \n## , , school = C\n## \n##       gender\n## number   M   F\n##      1 175 173\n##      2 175 155\n##      3 176 164\n<\/pre>\n<p><code>aperm<\/code> \ud568\uc218\ub97c \uac04\ub2e8\ud558\uac8c \uc774\ud574\ud574\ubcf4\uc790. 3\ucc28\uc6d0 \ubc30\uc5f4\uc778 <code>height<\/code>\uc5d0\uc11c <code>aperm(height, c(1,2,3))<\/code>\uc740 <code>height<\/code>\uc640 \ub3d9\uc77c\ud558\ub2e4. \uc5ec\uae30\uc11c \ub9cc\uc57d \uccab \ubc88\uc9f8 \ucc28\uc6d0\uacfc \uc138 \ubc88\uc9f8 \ucc28\uc6d0\uc744 \ubc14\uafb8\ub824\uba74 \uc55e\uc5d0\uc11c\uc640 \uac19\uc774 <code>aperm(height, c(3,2,1))<\/code>\ub85c \ud55c\ub2e4. <code>c(1,2,3)<\/code>\uc5d0\uc11c \uccab \ubc88\uc9f8\uc640 \uc138 \ubc88\uc9f8 \uc6d0\uc18c\ub97c \ub9de\ubc14\uafbc \uac83\uc774\ub2e4.<\/p>\n<p>\ub9cc\uc57d \ub450 \ubc88\uc9f8 \ucc28\uc6d0\uacfc \uc138 \ubc88\uc9f8 \ucc28\uc6d0\uc744 \ub9de\ubc14\uafb8\ub824\uba74 <code>c(1,3,2)<\/code>\ub85c \uac00\ub2a5\ud558\ub2e4.<\/p>\n<pre><code class=\"r\">aperm(height, c(1,3,2))\n<\/code><\/pre>\n<pre>## , , gender = M\n## \n##       number\n## school   1   2   3\n##      A 170 173 172\n##      B 180 181 184\n##      C 175 175 176\n## \n## , , gender = F\n## \n##       number\n## school   1   2   3\n##      A 169 166 167\n##      B 165 164 162\n##      C 173 155 164\n<\/pre>\n<p>\uc5ec\ub7ec \ucc28\uc6d0\uc744 \ub3d9\uc2dc\uc5d0 \uc7ac\ubc30\uc5f4\ud558\uace0\uc790 \ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n<pre><code class=\"r\">h2 &lt;- aperm(height, c(2,3,1))\nh2\n<\/code><\/pre>\n<pre>## , , school = A\n## \n##       number\n## gender   1   2   3\n##      M 170 173 172\n##      F 169 166 167\n## \n## , , school = B\n## \n##       number\n## gender   1   2   3\n##      M 180 181 184\n##      F 165 164 162\n## \n## , , school = C\n## \n##       number\n## gender   1   2   3\n##      M 175 175 176\n##      F 173 155 164\n<\/pre>\n<p>\uc5ec\uae30\uc11c <code>h2<\/code>\uc758 \uccab \ubc88\uc9f8 \ucc28\uc6d0\uc740 <code>height<\/code>\uc758 2\ubc88\uc9f8 \ucc28\uc6d0\uc774\uace0, <code>h2<\/code>\uc758 \ub450 \ubc88\uc9f8 \ucc28\uc6d0\uc740 <code>height<\/code>\uc758 3\ubc88\uc9f8 \ucc28\uc6d0, <code>h2<\/code>\uc758 \uc138 \ubc88\uc9f8 \ucc28\uc6d0\uc740 <code>height<\/code>\uc758 1\ubc88\uc9f8 \ucc28\uc6d0\uc774 \ub41c\ub2e4.<\/p>\n<h2>\ud070 \ud45c\ub85c \ub9cc\ub4e4\uae30<\/h2>\n<p>\ubc30\uc5f4 \ucd9c\ub825\uc740 \uc138 \ubc88\uc9f8 \uc774\ud6c4\uc758 \ucc28\uc6d0\uc5d0 \ub300\ud574\uc11c\ub294 \ub3c5\ub9bd\ub41c \ud45c\ub85c \ucd9c\ub825\uc774 \ub418\uae30 \ub54c\ubb38\uc5d0 \ubcf4\uae30 \ud798\ub4e4\ub2e4. \ub2e4 \ucc28\uc6d0\uc758 \ubc30\uc5f4\uc744 \ud558\ub098\uc758 \ud070 \ud14c\uc774\ube14\ub85c \ucd9c\ub825\ud560 \uc21c \uc5c6\uc744\uae4c? <\/p>\n<pre><code class=\"r\">ftable(height, row.vars=c(&quot;school&quot;, &quot;number&quot;))\n<\/code><\/pre>\n<pre>##               gender   M   F\n## school number               \n## A      1             170 169\n##        2             173 166\n##        3             172 167\n## B      1             180 165\n##        2             181 164\n##        3             184 162\n## C      1             175 173\n##        2             175 155\n##        3             176 164\n<\/pre>\n<p><code>ftable()<\/code> \ud568\uc218\ub97c \ud65c\uc6a9\ud558\uba74 \ub41c\ub2e4. \ub9cc\uc57d \ucc28\uc6d0\uc5d0 \uc774\ub984\uc774 \ubd99\uc5ec\uc838 \uc788\uc9c0 \uc54a\ub2e4\uba74, <code>row.vars=<\/code>\uc5d0 \ucc28\uc6d0\uc758 \uc21c\ubc88\uc744 \uc801\ub294\ub2e4. <code>row.vars=<\/code>\ub294 \ud589\uc5d0 \ub098\uc5f4\ub418\ub294 \ucc28\uc6d0\uc744 \ub098\ud0c0\ub0b8\ub2e4. \ub9cc\uc57d \ud55c \ud589\uc5d0 \uac19\uc740 \ubc88\ud638\uc758 \ud559\uc0dd\uc744 \ub098\uc5f4\ud558\uace0 \uc2f6\ub2e4\uba74,<\/p>\n<pre><code class=\"r\">ftable(height, row.vars=3) # \ubc88\ud638\ub294 \uc138 \ubc88\uc9f8 \ucc28\uc6d0\n<\/code><\/pre>\n<pre>##        school   A       B       C    \n##        gender   M   F   M   F   M   F\n## number                               \n## 1             170 169 180 165 175 173\n## 2             173 166 181 164 175 155\n## 3             172 167 184 162 176 164\n<\/pre>\n<h2>\uc694\uc57d\ud558\uc5ec \ucc28\uc6d0 \uc904\uc774\uae30<\/h2>\n<p>\ud070 \ud45c\ub85c \ub9cc\ub4e4\uba74 \uc11c\ub85c \ubd84\ub9ac\ub41c \ud45c\ubcf4\ub2e4 \uc804\uccb4 \ub370\uc774\ud130\ub97c \uc798 \uc774\ud574\ud560 \uc218 \uc788\uc74c\uc774 \ubd84\uba85\ud558\ub2e4. \ud558\uc9c0\ub9cc \ub54c\ub54c\ub85c \ud45c\uac00 \ub108\ubb34 \ucee4\uc9c8 \uc218 \uc788\uace0, \uc54c\uace0\uc790 \ud558\ub294 \ub0b4\uc6a9\uacfc\ub294 \uc0c1\uad00\uc5c6\ub294 \ucc28\uc6d0\uc774 \uc874\uc7ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4 \ub2e8\uc9c0 \ud559\uad50 \uac04\uc758 \ucc28\uc774\ub97c \uc54c\uace0 \uc2f6\ub2e4\uace0 \ud574\ubcf4\uc790. <code>height<\/code>\uc758 \uc138 \ucc28\uc6d0(\ud559\uad50, \uc131\ubcc4, \ubc88\ud638)\uc5d0\uc11c \ud559\uad50\ub9cc\uc744 \ub0a8\uae30\uace0 \uc131\ubcc4, \ubc88\ud638\ub294 \ubaa8\ub450 \uc0dd\ub7b5\ud560 \uc218 \uc788\ub2e4\uba74 \uc88b\uc744 \uac83\uc774\ub2e4. <\/p>\n<pre><code class=\"r\">apply(height, MARGIN=c(1), FUN=mean, na.rm=TRUE)\n<\/code><\/pre>\n<pre>##        A        B        C \n## 169.5000 172.6667 169.6667\n<\/pre>\n<pre><code class=\"r\">apply(height, MARGIN=&quot;school&quot;, FUN=mean, na.rm=TRUE)\n<\/code><\/pre>\n<pre>##        A        B        C \n## 169.5000 172.6667 169.6667\n<\/pre>\n<p><code>apply()<\/code> \ud568\uc218\ub97c \ud65c\uc6a9\ud558\uba74 \uac04\ub2e8\ud558\ub2e4. <code>apply()<\/code>\uc5d0\uc11c <code>MARGIN=<\/code>\uc740 \ub0a8\uae38 \ucc28\uc6d0\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc704\uc5d0\uc11c \uccab \ubc88\uc9f8 \ub610\ub294 <code>school<\/code>\uc744 \uc801\uc5c8\ub2e4. <\/p>\n<p>\ub9cc\uc57d \ud559\uad50\uc640 \uc131\ubcc4\ub9cc\uc744 \ub0a8\uae30\uace0 \uc2f6\ub2e4\uba74,<\/p>\n<pre><code class=\"r\">apply(height, MARGIN=c(1,2), FUN=mean)\n<\/code><\/pre>\n<pre>##       gender\n## school        M        F\n##      A 171.6667 167.3333\n##      B 181.6667 163.6667\n##      C 175.3333 164.0000\n<\/pre>\n<p><code>height<\/code>\uc5d0\uc11c \ud559\uad50\uc640 \uc131\ubcc4\ub9cc\uc744 \ub0a8\uae30\uace0 \uc2f6\ub2e4\uba74 \uadf8 \uc678\uc758 \ucc28\uc6d0\uc744 \uc5b4\ub5bb\uac8c \ud558\ub098\uc758 \uc22b\uc790\ub85c \uc694\uc57d\ud560\uc9c0\uc5d0 \ub300\ud574 \uc54c\ub824\uc918\uc57c \ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc704\uc758 \ud45c\uc5d0\uc11c \ud559\uad50 <code>A<\/code>, \uc131\ubcc4 <code>M<\/code>\uc5d0 \ud574\ub2f9\ud558\ub294 \uc790\ub8cc\ub294 \ubc88\ud638 <code>1<\/code>, <code>2<\/code>, <code>3<\/code>\uc788\ub2e4.<\/p>\n<pre><code class=\"r\">height[&#39;A&#39;, &#39;M&#39;, &#39;1&#39;]\n<\/code><\/pre>\n<pre>## [1] 170\n<\/pre>\n<pre><code class=\"r\">height[&#39;A&#39;, &#39;M&#39;, &#39;2&#39;]\n<\/code><\/pre>\n<pre>## [1] 173\n<\/pre>\n<pre><code class=\"r\">height[&#39;A&#39;, &#39;M&#39;, &#39;3&#39;]\n<\/code><\/pre>\n<pre>## [1] 172\n<\/pre>\n<p><code>170<\/code>, <code>173<\/code>, <code>172<\/code>\uac00 \uc704\uc758 \ud45c\uc5d0\uc11c\ub294 <code>171.6667<\/code>\ub85c \uc694\uc57d\ub41c \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc694\uc57d \ubc29\ubc95\uc740 <code>FUN=<\/code>\uc73c\ub85c \uba85\uc2dc\ub41c\ub2e4. <code>171.6667<\/code>\uc740 <code>mean(c(170, 1732, 172))<\/code>\uc758 \uacb0\uacfc\uc778 \uac83\uc774\ub2e4.<\/p>\n<p>\uc5ec\ub7ec \ucc28\uc6d0\uc744 \ud558\ub098\uc758 \uc22b\uc790\ub85c \uc694\uc57d\ud560 \ub54c\uc5d0\ub3c4 \ub3d9\uc77c\ud55c \ubc29\uc2dd\uc73c\ub85c \uc791\ub3d9\ud55c\ub2e4. <\/p>\n<h2>\ub370\uc774\ud130 \ud504\ub808\uc784\uc73c\ub85c \ubcc0\ud658\ud558\uae30<\/h2>\n<pre><code class=\"r\">dfHeight &lt;- as.data.frame.table(height, responseName = &#39;height&#39;)\ndfHeight\n<\/code><\/pre>\n<pre>##    school gender number height\n## 1       A      M      1    170\n## 2       B      M      1    180\n## 3       C      M      1    175\n## 4       A      F      1    169\n## 5       B      F      1    165\n## 6       C      F      1    173\n## 7       A      M      2    173\n## 8       B      M      2    181\n## 9       C      M      2    175\n## 10      A      F      2    166\n## 11      B      F      2    164\n## 12      C      F      2    155\n## 13      A      M      3    172\n## 14      B      M      3    184\n## 15      C      M      3    176\n## 16      A      F      3    167\n## 17      B      F      3    162\n## 18      C      F      3    164\n<\/pre>\n<h2>\ub2e4\uc2dc \ubc30\uc5f4\ub85c \ubcc0\ud658\ud558\uae30<\/h2>\n<pre><code class=\"r\">library(reshape2)\n<\/code><\/pre>\n<pre>## \n## Attaching package: &#39;reshape2&#39;\n<\/pre>\n<pre>## The following objects are masked from &#39;package:data.table&#39;:\n## \n##     dcast, melt\n<\/pre>\n<pre><code class=\"r\">acast(dfHeight, school ~ gender ~ number, value.var = &#39;height&#39;)\n<\/code><\/pre>\n<pre>## , , 1\n## \n##     M   F\n## A 170 169\n## B 180 165\n## C 175 173\n## \n## , , 2\n## \n##     M   F\n## A 173 166\n## B 181 164\n## C 175 155\n## \n## , , 3\n## \n##     M   F\n## A 172 167\n## B 184 162\n## C 176 164\n<\/pre>\n<h2>\uc694\uc57d\/\uc815\ub9ac<\/h2>\n<p>\uc5ec\uae30\uc11c\ub294 R \ubc30\uc5f4\uc5d0 \ub300\ud574 \ucc28\uc6d0\uc744 \uc7ac\ubc30\uc5f4\ud558\uac70\ub098 \uc904\uc774\uace0, \ub370\uc774\ud130\ud504\ub808\uc784\uc73c\ub85c \ubcc0\ud658\ud558\uac70\ub098, \ub370\uc774\ud130 \ud504\ub808\uc784\uc744 \ub2e4\uc2dc \ubc30\uc5f4\ub85c \ubcc0\ud658\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. <\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\uae30\ub2a5<\/th>\n<th align=\"left\">\ud568\uc218<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">\ucc28\uc6d0 \uc7ac\ubc30\uc5f4<\/td>\n<td align=\"left\"><code>aperm(X, c(1,3,2))<\/code><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\ud070 \ud45c\ub85c \ucd9c\ub825\ud558\uae30<\/td>\n<td align=\"left\"><code>ftable(X, row.vars=c(1,3))<\/code><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\ucc28\uc6d0 \uc81c\uac70<\/td>\n<td align=\"left\"><code>apply(X, MARGIN=c(1,2), FUN=)<\/code><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\ub370\uc774\ud130 \ud504\ub808\uc784\uc73c\ub85c<\/td>\n<td align=\"left\"><code>as.data.frame.table()<\/code><\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\ub2e4\uc2dc \ubc30\uc5f4\ub85c<\/td>\n<td align=\"left\"><code>reshape2::acast(data=, formula=, fun.aggregate=, value.var=)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\ub2e4\ucc28\uc6d0 \ubc30\uc5f4 : \ubcc0\ud658\ud558\uace0 \uc694\uc57d\ud558\uae30 \ub2e4\uc74c\uc758 height\uc740 \ud559\uc0dd\ub4e4\uc758 \ud559\uad50(school), \uc131\ubcc4(gender), \uadf8\ub9ac\uace0 \ud0a4(height) \uc815\ubcf4\ub97c 3\ucc28\uc6d0 \ubc30\uc5f4\uc5d0 \ub2f4\uace0 \uc788\ub2e4. height &lt;- structure(c(170, 180, 175, 169, 165, 173, 173, 181, 175, 166, 164, 155, 172, 184, 176, 167, 162, 164), .Dim = c(3L, 2L, 3L), .Dimnames = list(c(&quot;A&quot;, &quot;B&quot;, &quot;C&quot;), c(&quot;M&quot;, &quot;F&quot;), c(&quot;1&quot;, &quot;2&quot;, &quot;3&quot;))) height ## , [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1779,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[28,242,179],"tags":[312,313,53,311,25],"jetpack_featured_media_url":"http:\/\/ds.sumeun.org\/wp-content\/uploads\/2019\/05\/array_02.png","_links":{"self":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/1777"}],"collection":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1777"}],"version-history":[{"count":4,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/1777\/revisions"}],"predecessor-version":[{"id":1782,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/1777\/revisions\/1782"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/media\/1779"}],"wp:attachment":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1777"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}