{"id":1131,"date":"2023-07-27T13:32:32","date_gmt":"2023-07-27T13:32:32","guid":{"rendered":"https:\/\/statorials.org\/pl\/utworz-tabele-w-r\/"},"modified":"2023-07-27T13:32:32","modified_gmt":"2023-07-27T13:32:32","slug":"utworz-tabele-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/utworz-tabele-w-r\/","title":{"rendered":"Jak tworzy\u0107 tabele w r (z przyk\u0142adami)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Istniej\u0105 dwa sposoby szybkiego tworzenia tabel w R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metoda 1: Utw\u00f3rz tabel\u0119 na podstawie istniej\u0105cych danych.<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>tab &lt;- <span style=\"color: #3366ff;\">table<\/span> (df$row_variable, df$column_variable)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metoda 2: Utw\u00f3rz tabel\u0119 od zera.<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>tab &lt;- <span style=\"color: #3366ff;\">matrix<\/span> (c(7, 5, 14, 19, 3, 2, 17, 6, 12), ncol= <span style=\"color: #993300;\">3<\/span> , byrow= <span style=\"color: #008000;\">TRUE<\/span> )\ncolnames(tab) &lt;- c('colName1','colName2','colName3')\nrownames(tab) &lt;- c('rowName1','rowName2','rowName3')\ntab &lt;- <span style=\"color: #3366ff;\">as.table<\/span> (tab)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">W tym samouczku przedstawiono przyk\u0142ad tworzenia tabeli przy u\u017cyciu ka\u017cdej z tych metod.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Utw\u00f3rz tabel\u0119 na podstawie istniej\u0105cych danych<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 tabel\u0119 na podstawie istniej\u0105cych danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible<\/span>\nset.seed(1)\n\n<span style=\"color: #008080;\">#define data\n<span style=\"color: #000000;\">df &lt;- data.frame(team= <span style=\"color: #3366ff;\">rep<\/span> (c(' <span style=\"color: #008000;\">A<\/span> ', ' <span style=\"color: #008000;\">B<\/span> ', ' <span style=\"color: #008000;\">C<\/span> ', ' <span style=\"color: #008000;\">D<\/span> '), each= <span style=\"color: #993300;\">4<\/span> ),\n                 pos= <span style=\"color: #3366ff;\">rep<\/span> (c(' <span style=\"color: #008000;\">G<\/span> ', ' <span style=\"color: #008000;\">F<\/span> '), times= <span style=\"color: #993300;\">8<\/span> ),\n                 points= <span style=\"color: #3366ff;\">round<\/span> (runif(16, 4, 20), <span style=\"color: #993300;\">0<\/span> ))\n\n<span style=\"color: #008080;\">#view head of data \n<\/span>head(df)\n\n  team pos points\n1 GA 8\n2 AF10\n3 AG 13\n4 FY19\n5 BG 7\n6 BF 18\n\n<span style=\"color: #008080;\">#create table with 'position' as rows and 'team' as columns<\/span>\ntab1 &lt;- table(df$pos, df$team)\ntab1\n\n  ABCD\nF 2 2 2 2\nG 2 2 2 2<\/span><\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ta tabela przedstawia cz\u0119stotliwo\u015bci dla ka\u017cdej kombinacji zespo\u0142u i pozycji. Na przyk\u0142ad:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">2 graczy znajduje si\u0119 na pozycji \u201eF\u201d w dru\u017cynie \u201eA\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\">2 graczy znajduje si\u0119 na pozycji \u201eG\u201d w dru\u017cynie \u201eA\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\">2 graczy znajduje si\u0119 na pozycji \u201eF\u201d w dru\u017cynie \u201eB\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\">2 graczy jest na pozycji \u201eG\u201d w dru\u017cynie \u201eB\u201d<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">I tak dalej.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Utw\u00f3rz tabel\u0119 od zera<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak od podstaw utworzy\u0107 tabel\u0119 z 4 kolumnami i 2 wierszami:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create matrix with 4 columns<\/span>\ntab &lt;- matrix( <span style=\"color: #3366ff;\">rep<\/span> (2, times= <span style=\"color: #993300;\">8<\/span> ), ncol= <span style=\"color: #993300;\">4<\/span> , byrow= <span style=\"color: #008000;\">TRUE<\/span> )\n\n<span style=\"color: #008080;\">#define column names and row names of matrix\n<\/span>colnames(tab) &lt;- c(' <span style=\"color: #008000;\">A<\/span> ', ' <span style=\"color: #008000;\">B<\/span> ', ' <span style=\"color: #008000;\">C<\/span> ', ' <span style=\"color: #008000;\">D<\/span> ')\nrownames(tab) &lt;- c(' <span style=\"color: #008000;\">F<\/span> ', ' <span style=\"color: #008000;\">G<\/span> ')\n\n<span style=\"color: #008080;\">#convert matrix to table<\/span>\ntab &lt;- <span style=\"color: #3366ff;\">as.table<\/span> (tab)\n\n<span style=\"color: #008080;\">#view table<\/span> \ntab\n\n  ABCD\nF 2 2 2 2\nG 2 2 2 2<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce ta tabela jest dok\u0142adnie taka sama, jak ta utworzona w poprzednim przyk\u0142adzie.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pl\/r-zapetl-kolumny-ramki-danych\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak iterowa\u0107 po nazwach kolumn w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/utworz-pusta-ramke-danych-w-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak utworzy\u0107 pust\u0105 ramk\u0119 danych w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/r-dodaj-do-ramki-danych\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak doda\u0107 wiersze do ramki danych w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Istniej\u0105 dwa sposoby szybkiego tworzenia tabel w R: Metoda 1: Utw\u00f3rz tabel\u0119 na podstawie istniej\u0105cych danych. tab &lt;- table (df$row_variable, df$column_variable) Metoda 2: Utw\u00f3rz tabel\u0119 od zera. tab &lt;- matrix (c(7, 5, 14, 19, 3, 2, 17, 6, 12), ncol= 3 , byrow= TRUE ) colnames(tab) &lt;- c(&#8217;colName1&#8242;,&#8217;colName2&#8242;,&#8217;colName3&#8242;) rownames(tab) &lt;- c(&#8217;rowName1&#8242;,&#8217;rowName2&#8242;,&#8217;rowName3&#8242;) tab &lt;- as.table (tab) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1131","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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