{"id":3811,"date":"2023-07-15T09:55:02","date_gmt":"2023-07-15T09:55:02","guid":{"rendered":"https:\/\/statorials.org\/pl\/runif-w-pythonie\/"},"modified":"2023-07-15T09:55:02","modified_gmt":"2023-07-15T09:55:02","slug":"runif-w-pythonie","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/runif-w-pythonie\/","title":{"rendered":"Jak u\u017cywa\u0107 odpowiednika runif() w pythonie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">W j\u0119zyku programowania R mo\u017cemy u\u017cy\u0107 funkcji <strong>runif()<\/strong> do wygenerowania wektora losowych warto\u015bci, kt\u00f3ry ma <a href=\"https:\/\/statorials.org\/pl\/rownomierny-rozk\u0142ad\/\" target=\"_blank\" rel=\"noopener\">rozk\u0142ad r\u00f3wnomierny<\/a> z okre\u015blon\u0105 warto\u015bci\u0105 minimaln\u0105 i maksymaln\u0105.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na przyk\u0142ad poni\u017cszy kod pokazuje, jak u\u017cy\u0107 <strong>runif()<\/strong> do utworzenia wektora 8 losowych warto\u015bci, kt\u00f3ry ma rozk\u0142ad r\u00f3wnomierny z minimaln\u0105 warto\u015bci\u0105 5 i maksymaln\u0105 warto\u015bci\u0105 10:<\/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;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#generate vector of 8 values that follow uniform distribution with min=5 and max=10<\/span>\nrunif(n=8, min=5, max=10)\n\n[1] 6.327543 6.860619 7.864267 9.541039 6.008410 9.491948 9.723376 8.303989\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Odpowiednikiem funkcji <strong>runif()<\/strong> w Pythonie jest funkcja <strong>np.random.uniform()<\/strong> , kt\u00f3ra wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>np.random.uniform(niski=0, wysoki=1, rozmiar=brak)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>low<\/strong> : Minimalna warto\u015b\u0107 rozk\u0142adu<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>high<\/strong> : Maksymalna warto\u015b\u0107 rozk\u0142adu<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>rozmiar<\/strong> : wielko\u015b\u0107 pr\u00f3bki<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: u\u017cycie odpowiednika runif() w Pythonie<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak wykorzysta\u0107 funkcj\u0119 <strong>np.random.uniform()<\/strong> do wygenerowania tablicy losowych warto\u015bci, kt\u00f3ra ma rozk\u0142ad r\u00f3wnomierny z okre\u015blon\u0105 warto\u015bci\u0105 minimaln\u0105 i maksymaln\u0105:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#make this example reproducible<\/span>\nn.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#generate array of 8 values that follow uniform distribution with min=5 and max=10<\/span>\nn.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">uniform<\/span> (low= <span style=\"color: #008000;\">5<\/span> , high= <span style=\"color: #008000;\">10<\/span> , size= <span style=\"color: #008000;\">8<\/span> )\n\narray([7.08511002, 8.60162247, 5.00057187, 6.51166286, 5.73377945,\n       5.46169297, 5.93130106, 6.72780364])\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Wynikiem jest tablica NumPy zawieraj\u0105ca 8 warto\u015bci wygenerowanych z rozk\u0142adu r\u00f3wnomiernego o minimalnej warto\u015bci 5 i maksymalnej warto\u015bci 10.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cesz tak\u017ce utworzy\u0107 histogram za pomoc\u0105 Matplotlib, aby zwizualizowa\u0107 rozk\u0142ad normalny wygenerowany przez funkcj\u0119 <strong>np.random.uniform()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#make this example reproducible<\/span>\nn.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#generate array of 200 values that follow uniform distribution with min=5 and max=10\n<span style=\"color: #000000;\">data = np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">uniform<\/span> (low= <span style=\"color: #008000;\">5<\/span> , high= <span style=\"color: #008000;\">10<\/span> , size= <span style=\"color: #008000;\">200<\/span> )\n<\/span>\n#create histogram to visualize distribution of values\n<span style=\"color: #000000;\">plt. <span style=\"color: #3366ff;\">hist<\/span> (data, bins= <span style=\"color: #008000;\">30<\/span> , edgecolor=' <span style=\"color: #ff0000;\">black<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n<p> <strong><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-30905 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/runif1.jpg\" alt=\"\" width=\"553\" height=\"412\" srcset=\"\" sizes=\"auto, \"><\/strong><\/p>\n<p> <span style=\"color: #000000;\">O\u015b x pokazuje warto\u015bci rozk\u0142adu, a o\u015b y pokazuje cz\u0119stotliwo\u015b\u0107 ka\u017cdej warto\u015bci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Zauwa\u017c, \u017ce o\u015b x przechodzi od 5 do 10, poniewa\u017c s\u0105 to warto\u015bci minimalne i maksymalne, kt\u00f3re okre\u015blili\u015bmy dla rozk\u0142adu.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 funkcji <strong>np.random.uniform()<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/numpy.org\/doc\/stable\/reference\/random\/generated\/numpy.random.uniform.html\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/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 operacje na pandach:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/pandy-generuja-losowe-dane\/\" target=\"_blank\" rel=\"noopener\">Jak utworzy\u0107 ramk\u0119 danych Pandas z losowymi danymi<\/a><br \/> <a href=\"https:\/\/statorials.org\" target=\"_blank\" rel=\"noopener\">Jak losowo pr\u00f3bkowa\u0107 wiersze w Pandach<\/a><br \/> Jak przetasowa\u0107 wiersze w ramce danych Pandas<\/p>\n","protected":false},"excerpt":{"rendered":"<p>W j\u0119zyku programowania R mo\u017cemy u\u017cy\u0107 funkcji runif() do wygenerowania wektora losowych warto\u015bci, kt\u00f3ry ma rozk\u0142ad r\u00f3wnomierny z okre\u015blon\u0105 warto\u015bci\u0105 minimaln\u0105 i maksymaln\u0105. Na przyk\u0142ad poni\u017cszy kod pokazuje, jak u\u017cy\u0107 runif() do utworzenia wektora 8 losowych warto\u015bci, kt\u00f3ry ma rozk\u0142ad r\u00f3wnomierny z minimaln\u0105 warto\u015bci\u0105 5 i maksymaln\u0105 warto\u015bci\u0105 10: #make this example reproducible set. seeds [&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-3811","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 u\u017cywa\u0107 odpowiednika runif() w Pythonie \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak u\u017cywa\u0107 funkcji runif() w Pythonie do replikowania funkcji u\u017cywanej w R.\" \/>\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\/runif-w-pythonie\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak u\u017cywa\u0107 odpowiednika runif() w Pythonie \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak u\u017cywa\u0107 funkcji runif() w Pythonie do replikowania funkcji u\u017cywanej w R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/runif-w-pythonie\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-15T09:55:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/runif1.jpg\" \/>\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\/runif-w-pythonie\/\",\"url\":\"https:\/\/statorials.org\/pl\/runif-w-pythonie\/\",\"name\":\"Jak u\u017cywa\u0107 odpowiednika runif() w Pythonie \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-15T09:55:02+00:00\",\"dateModified\":\"2023-07-15T09:55:02+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak u\u017cywa\u0107 funkcji runif() w Pythonie do replikowania funkcji u\u017cywanej w R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/runif-w-pythonie\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/runif-w-pythonie\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/runif-w-pythonie\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak u\u017cywa\u0107 odpowiednika runif() w pythonie\"}]},{\"@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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