{"id":3325,"date":"2023-07-18T02:04:15","date_gmt":"2023-07-18T02:04:15","guid":{"rendered":"https:\/\/statorials.org\/pl\/losowa-macierz-w-r\/"},"modified":"2023-07-18T02:04:15","modified_gmt":"2023-07-18T02:04:15","slug":"losowa-macierz-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/losowa-macierz-w-r\/","title":{"rendered":"Jak utworzy\u0107 macierz z liczbami losowymi w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 dowolnej z poni\u017cszych metod, aby utworzy\u0107 macierz z liczbami losowymi w R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metoda 1: Utw\u00f3rz macierz z losowymi warto\u015bciami w zakresie<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create matrix of 10 random values between 1 and 20<\/span>\nrandom_matrix &lt;- matrix(runif(n= <span style=\"color: #008000;\">10<\/span> , min= <span style=\"color: #008000;\">1<\/span> , max= <span style=\"color: #008000;\">20<\/span> ), nrow= <span style=\"color: #008000;\">5<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metoda 2: Utw\u00f3rz macierz z losowymi liczbami ca\u0142kowitymi w zakresie<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create matrix of 10 random integers between 1 and 20<\/span>\nrandom_matrix &lt;- matrix(round(runif(n= <span style=\"color: #008000;\">10<\/span> , min= <span style=\"color: #008000;\">1<\/span> , max= <span style=\"color: #008000;\">20<\/span> ), 0), nrow= <span style=\"color: #008000;\">5<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak zastosowa\u0107 ka\u017cd\u0105 z tych metod w praktyce.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Metoda 1: Utw\u00f3rz macierz z losowymi warto\u015bciami w zakresie<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 5-wierszow\u0105 macierz z\u0142o\u017con\u0105 z 10 losowych warto\u015bci z zakresu od 1 do 20:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><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 matrix with 10 random numbers between 1 and 20\n<\/span>random_matrix &lt;- matrix(runif(n= <span style=\"color: #008000;\">10<\/span> , min= <span style=\"color: #008000;\">1<\/span> , max= <span style=\"color: #008000;\">20<\/span> ), nrow= <span style=\"color: #008000;\">5<\/span> )\n\n<span style=\"color: #008080;\">#view matrix\n<\/span>random_matrix\n\n          [,1] [,2]\n[1,] 6.044665 18.069404\n[2,] 8.070354 18.948830\n[3,] 11.884214 13.555158\n[4,] 18.255948 12.953167\n[5,] 4.831957 2.173939<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Wynikiem jest macierz z\u0142o\u017cona z 5 wierszy i 2 kolumn, gdzie ka\u017cda warto\u015b\u0107 w macierzy mie\u015bci si\u0119 w przedziale od 1 do 20.<\/span><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Metoda 2: Utw\u00f3rz macierz z losowymi liczbami ca\u0142kowitymi w zakresie<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 macierz 10 losowych liczb ca\u0142kowitych z zakresu od 1 do 50:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><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 matrix with 10 random integers between 1 and 50\n<\/span>random_matrix &lt;- matrix(round(runif(n= <span style=\"color: #008000;\">10<\/span> , min= <span style=\"color: #008000;\">1<\/span> , max= <span style=\"color: #008000;\">50<\/span> ), 0), nrow= <span style=\"color: #008000;\">5<\/span> )\n\n<span style=\"color: #008080;\">#view matrix\n<\/span>random_matrix\n\n     [,1] [,2]\n[1,] 14 45\n[2,] 19 47\n[3,] 29 33\n[4,] 46 32\n[5,] 11 4\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Wynikiem jest macierz z\u0142o\u017cona z 5 wierszy i 2 kolumn, gdzie ka\u017cda warto\u015b\u0107 w macierzy jest liczb\u0105 ca\u0142kowit\u0105 z zakresu od 1 do 50.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce funkcja <strong>runif()<\/strong> generuje liczby losowe, <em>w tym<\/em> warto\u015bci <strong>minimalne<\/strong> i <strong>maksymalne<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na przyk\u0142ad powy\u017csza macierz mo\u017ce zawiera\u0107 zar\u00f3wno 1, jak i 50.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy r\u00f3wnie\u017c pami\u0119ta\u0107, \u017ce przy stosowaniu tej metody ta sama liczba mo\u017ce pojawi\u0107 si\u0119 w macierzy wiele razy.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w j\u0119zyku R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/losowy-wektor-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak utworzy\u0107 wektor z liczbami losowymi w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/losowa-probka-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak wybra\u0107 losowe pr\u00f3bki w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 dowolnej z poni\u017cszych metod, aby utworzy\u0107 macierz z liczbami losowymi w R: Metoda 1: Utw\u00f3rz macierz z losowymi warto\u015bciami w zakresie #create matrix of 10 random values between 1 and 20 random_matrix &lt;- matrix(runif(n= 10 , min= 1 , max= 20 ), nrow= 5 ) Metoda 2: Utw\u00f3rz macierz z losowymi liczbami ca\u0142kowitymi [&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-3325","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak utworzy\u0107 macierz z liczbami losowymi w R - Statology<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak utworzy\u0107 macierz z liczbami losowymi w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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