{"id":3850,"date":"2023-07-15T04:30:04","date_gmt":"2023-07-15T04:30:04","guid":{"rendered":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/"},"modified":"2023-07-15T04:30:04","modified_gmt":"2023-07-15T04:30:04","slug":"r-zamien-wartosci-w-macierzy","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/","title":{"rendered":"Jak zamieni\u0107 warto\u015bci w macierzy w r (z przyk\u0142adami)"},"content":{"rendered":"

<\/p>\n

\n

Aby zast\u0105pi\u0107 okre\u015blone warto\u015bci w macierzy w R, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod:<\/span><\/p>\n

Metoda 1: Zast\u0105p elementy okre\u015blon\u0105 warto\u015bci\u0105<\/strong><\/span><\/p>\n

 #replace 5 with 100<\/span>\nmy_matrix[my_matrix ==<\/span> 5] <- 100\n<\/strong><\/pre>\n
 Metoda 2: Zamie\u0144 elementy na podstawie warunku<\/strong><\/span><\/p>\n
 #replace elements with value less than 15 with 0<\/span>\nmy_matrix[my_matrix <<\/span> 15] <- 0<\/strong><\/pre>\n
 Metoda 3: Zamie\u0144 elementy na podstawie wielu warunk\u00f3w<\/strong><\/span><\/p>\n
 #replace elements with value between 10 and 15 with 99<\/span>\nmy_matrix[my_matrix >=<\/span> 10 &<\/span> my_matrix <=<\/span> 15] <- 99\n<\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce zastosowa\u0107 ka\u017cd\u0105 metod\u0119 z nast\u0119puj\u0105c\u0105 macierz\u0105 w R:<\/span><\/p>\n
 #create matrix<\/span>\nmy_matrix <- matrix(1:20, nrow = 5<\/span> )\n\n#display matrix\n<\/span>my_matrix\n\n     [,1] [,2] [,3] [,4]\n[1,] 1 6 11 16\n[2,] 2 7 12 17\n[3,] 3 8 13 18\n[4,] 4 9 14 19\n[5,] 5 10 15 20\n<\/strong><\/pre>\n
 Przyk\u0142ad 1: Zast\u0105p elementy okre\u015blon\u0105 warto\u015bci\u0105<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 wszystkie elementy r\u00f3wne warto\u015bci 5<\/strong> warto\u015bci\u0105 100<\/strong> :<\/span><\/p>\n
 #replace 5 with 100\n<\/span>my_matrix[my_matrix ==<\/span> 5] <- 100\n\n#view updated matrix\n<\/span>my_matrix\n\n     [,1] [,2] [,3] [,4]\n[1,] 1 6 11 16\n[2,] 2 7 12 17\n[3,] 3 8 13 18\n[4,] 4 9 14 19\n[5,] 100 10 15 20<\/strong><\/pre>\n
 Nale\u017cy zwr\u00f3ci\u0107 uwag\u0119, \u017ce element r\u00f3wny warto\u015bci 5<\/strong> zosta\u0142 zast\u0105piony warto\u015bci\u0105 100<\/strong> .<\/span><\/span><\/p>\n
 Wszystkie pozosta\u0142e elementy matrycy pozosta\u0142y niezmienione.<\/span><\/p>\n
 Przyk\u0142ad 2: Zamie\u0144 elementy na podstawie warunku<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 wszystkie elementy o warto\u015bci mniejszej ni\u017c 15<\/strong> warto\u015bci\u0105 0<\/strong> :<\/span><\/p>\n
 #replace elements with value less than 15 with 100\n<\/span>my_matrix[my_matrix <<\/span> 15] <- 0\n\n#view updated matrix\n<\/span>my_matrix\n\n     [,1] [,2] [,3] [,4]\n[1,] 0 0 0 16\n[2,] 0 0 0 17\n[3,] 0 0 0 18\n[4,] 0 0 0 19\n[5,] 0 0 15 20<\/strong><\/pre>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce ka\u017cdy z element\u00f3w o warto\u015bci mniejszej ni\u017c 15<\/strong> zosta\u0142 zast\u0105piony warto\u015bci\u0105 0<\/strong> .<\/span><\/p>\n
 Przyk\u0142ad 3: Zamie\u0144 elementy na podstawie wielu warunk\u00f3w<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 wszystkie elementy o warto\u015bciach od 10<\/strong> do 15<\/strong> warto\u015bci\u0105 99<\/strong> :<\/span><\/p>\n
 #replace elements with value between 10 and 15 with 99<\/span>\nmy_matrix[my_matrix >=<\/span> 10 &<\/span> my_matrix <=<\/span> 15] <- 99\n\n#view updated matrix<\/span>\nmy_matrix\n\n     [,1] [,2] [,3] [,4]\n[1,] 1 6 99 16\n[2,] 2 7 99 17\n[3,] 3 8 99 18\n[4,] 4 9 99 19\n[5,] 5 99 99 20\n<\/strong><\/pre>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce ka\u017cdy z element\u00f3w o warto\u015bci od 10<\/strong> do 15<\/strong> zosta\u0142 zast\u0105piony warto\u015bci\u0105 99<\/strong> .<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w j\u0119zyku R:<\/span><\/p>\n
 Jak posortowa\u0107 macierz w R<\/a>
 Jak usun\u0105\u0107 NA z Matrixa w R<\/a>
 Jak przekonwertowa\u0107 ramk\u0119 danych na macierz w R<\/a>
 Jak przekonwertowa\u0107 tabel\u0119 na macierz w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Aby zast\u0105pi\u0107 okre\u015blone warto\u015bci w macierzy w R, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod: Metoda 1: Zast\u0105p elementy okre\u015blon\u0105 warto\u015bci\u0105 #replace 5 with 100 my_matrix[my_matrix == 5] <- 100 Metoda 2: Zamie\u0144 elementy na podstawie warunku #replace elements with value less than 15 with 0 my_matrix[my_matrix < 15] <- 0 Metoda 3: Zamie\u0144 elementy na podstawie wielu […]<\/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-3850","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.\" \/>\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\/pl\/r-zamien-wartosci-w-macierzy\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-15T04:30:04+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/\",\"url\":\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/\",\"name\":\"Jak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-15T04:30:04+00:00\",\"dateModified\":\"2023-07-15T04:30:04+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zamieni\u0107 warto\u015bci w macierzy w r (z przyk\u0142adami)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej\",\"sameAs\":[\"https:\/\/statorials.org\/pl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia","description":"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/","og_locale":"pl_PL","og_type":"article","og_title":"Jak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia","og_description":"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.","og_url":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/","og_site_name":"Statorials","article_published_time":"2023-07-15T04:30:04+00:00","author":"Benjamin Anderson","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Benjamin Anderson","Szacowany czas czytania":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/","url":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/","name":"Jak zamieni\u0107 warto\u015bci w macierzy w R (z przyk\u0142adami) - Statologia","isPartOf":{"@id":"https:\/\/statorials.org\/pl\/#website"},"datePublished":"2023-07-15T04:30:04+00:00","dateModified":"2023-07-15T04:30:04+00:00","author":{"@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965"},"description":"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 warto\u015bci w macierzy w R, z kilkoma przyk\u0142adami.","breadcrumb":{"@id":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pl\/r-zamien-wartosci-w-macierzy\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom","item":"https:\/\/statorials.org\/pl\/"},{"@type":"ListItem","position":2,"name":"Jak zamieni\u0107 warto\u015bci w macierzy w r (z przyk\u0142adami)"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/pl\/#website","url":"https:\/\/statorials.org\/pl\/","name":"Statorials","description":"Tw\u00f3j przewodnik po kompetencjach statystycznych!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/pl\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pl-PL"},{"@type":"Person","@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965","name":"Benjamin Anderson","image":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg","caption":"Benjamin Anderson"},"description":"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej","sameAs":["https:\/\/statorials.org\/pl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/3850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/comments?post=3850"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/3850\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/media?parent=3850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/categories?post=3850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/tags?post=3850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}