{"id":3663,"date":"2023-07-16T06:31:07","date_gmt":"2023-07-16T06:31:07","guid":{"rendered":"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/"},"modified":"2023-07-16T06:31:07","modified_gmt":"2023-07-16T06:31:07","slug":"zamien-zero-na-na-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/","title":{"rendered":"Jak zamieni\u0107 zero na na w r (z przyk\u0142adami)"},"content":{"rendered":"

<\/p>\n

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Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby zast\u0105pi\u0107 zero warto\u015bciami NA w R:<\/span><\/p>\n

Metoda 1: Zamie\u0144 zero na NA we wszystkich kolumnach<\/span><\/strong><\/span><\/p>\n

 df[df == 0<\/span> ] <- NA<\/strong>\n<\/pre>\n
 Metoda 2: Zamie\u0144 zero na NA w kolumnie<\/strong><\/span><\/p>\n
 df$col1[df$col1 == 0<\/span> ] <- NA<\/strong><\/pre>\n
 Metoda 3: Zamie\u0144 zero na NA w kilku okre\u015blonych kolumnach<\/strong><\/span><\/p>\n
 df[, c(' col1<\/span> ', ' col2<\/span> ')][df[, c(' col1<\/span> ', ' col2<\/span> ')] == 0<\/span> ] <- NA<\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce zastosowa\u0107 ka\u017cd\u0105 metod\u0119 z nast\u0119puj\u0105c\u0105 ramk\u0105 danych:<\/span><\/p>\n
 #create data frame<\/span>\ndf <- data. frame<\/span> (player=c('A', 'B', 'C', 'D', 'E'),\n                 pts=c(17, 12, NA, 9, 25),\n                 rebs=c(3, 3, NA, NA, 8),\n                 blocks=c(1, 1, 2, 4, NA))\n\n#view data frame<\/span>\ndf\n\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C NA NA 2\n4 D 9 NA 4\n5 E 25 8 NA\n<\/strong><\/pre>\n
 Przyk\u0142ad 1: Zamie\u0144 zero na NA we wszystkich kolumnach<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 zera warto\u015bciami NA we wszystkich kolumnach ramki danych:<\/span><\/p>\n
 #replace zero with NA in all columns\n<\/span>df[df == 0<\/span> ] <- NA\n\n#view updated data frame\n<\/span>df\n\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C NA NA 2\n4 D 9 NA 4\n5 E 25 8 NA\n<\/strong><\/pre>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce w ka\u017cdej kolumnie ramki danych zera zosta\u0142y zast\u0105pione warto\u015bciami NA.<\/span><\/p>\n
 Przyk\u0142ad 2: Zamie\u0144 zero na NA w kolumnie<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zamieni\u0107 zero na warto\u015bci NA w kolumnie ramki danych:<\/span><\/p>\n
 #replace zero with NA in 'rebs' column only\n<\/span>df$rebs[df$rebs == 0<\/span> ] <- NA\n\n#view data frame\n<\/span>player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 0 NA 2\n4 D 9 NA 4\n5 E 25 8 0<\/strong><\/pre>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce ka\u017cde zero zosta\u0142o zast\u0105pione przez NA w kolumnie \u201erebs\u201d, podczas gdy wszystkie pozosta\u0142e kolumny pozosta\u0142y niezmienione.<\/span><\/p>\n
 Przyk\u0142ad 3: Zamie\u0144 zero na NA w kilku okre\u015blonych kolumnach<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 zero warto\u015bciami NA w kilku okre\u015blonych kolumnach ramki danych:<\/span><\/p>\n
 #replace zero with NA values in 'pts' and 'rebs' columns only\n<\/span>df[, c(' pts<\/span> ', ' rebs<\/span> ')][df[, c(' pts<\/span> ', ' rebs<\/span> ')] == 0<\/span> ] <- NA\n\n#view data frame\n<\/span>df\n\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C NA NA 2\n4 D 9 NA 4\n5 E 25 8 0<\/strong><\/pre>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce ka\u017cde zero zosta\u0142o zast\u0105pione przez NA w kolumnach \u201epts\u201d i \u201erebs\u201d, podczas gdy kolumna \u201eblocks\u201d pozosta\u0142a niezmieniona.<\/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 zamieni\u0107 puste miejsca na NA w R<\/a>
 Jak zamieni\u0107 NA na ci\u0105gi w R<\/a>
 Jak zamieni\u0107 NA na \u015bredni\u0105 w R<\/a>
 Jak zast\u0105pi\u0107 NA median\u0105 w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby zast\u0105pi\u0107 zero warto\u015bciami NA w R: Metoda 1: Zamie\u0144 zero na NA we wszystkich kolumnach df[df == 0 ] <- NA Metoda 2: Zamie\u0144 zero na NA w kolumnie df$col1[df$col1 == 0 ] <- NA Metoda 3: Zamie\u0144 zero na NA w kilku okre\u015blonych kolumnach df[, c(’ col1 ’, ’ […]<\/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-3663","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak zamieni\u0107 zero na NA w R (z przyk\u0142adami) \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 zero przez NA 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\" href=\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zamieni\u0107 zero na NA w R (z przyk\u0142adami) \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 zero przez NA w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T06:31:07+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\/zamien-zero-na-na-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/\",\"name\":\"Jak zamieni\u0107 zero na NA w R (z przyk\u0142adami) \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-16T06:31:07+00:00\",\"dateModified\":\"2023-07-16T06:31:07+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 zero przez NA w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/zamien-zero-na-na-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zamieni\u0107 zero na na 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. 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