{"id":2204,"date":"2023-07-23T06:34:46","date_gmt":"2023-07-23T06:34:46","guid":{"rendered":"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/"},"modified":"2023-07-23T06:34:46","modified_gmt":"2023-07-23T06:34:46","slug":"obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/","title":{"rendered":"Jak naprawi\u0107: obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d."},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">B\u0142\u0105d, kt\u00f3ry mo\u017cesz napotka\u0107 podczas korzystania z NumPy, to:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #ff0000;\">AttributeError <span style=\"color: #000000;\">: 'numpy.ndarray' object has no attribute 'index'\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ten b\u0142\u0105d wyst\u0119puje podczas pr\u00f3by u\u017cycia funkcji <strong>indeksu()<\/strong> w tablicy NumPy, dla kt\u00f3rej nie s\u0105 dost\u0119pne \u017cadne atrybuty indeksu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce rozwi\u0105za\u0107 ten b\u0142\u0105d.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Jak odtworzy\u0107 b\u0142\u0105d<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 tablic\u0119 NumPy:<\/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;\">#create NumPy array\n<span style=\"color: #000000;\">x = np. <span style=\"color: #3366ff;\">array<\/span> ([4, 7, 3, 1, 5, 9, 9, 15, 9, 18])\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Aby znale\u017a\u0107 warto\u015bci minimalne i maksymalne w tablicy, mo\u017cemy zastosowa\u0107 nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find minimum and maximum values of array\n<span style=\"color: #000000;\">min_val = np. <span style=\"color: #3366ff;\">min<\/span> (x)\nmax_val = np. <span style=\"color: #3366ff;\">max<\/span> (x)\n\n<span style=\"color: #008080;\">#print minimum and maximum values\n<\/span><span style=\"color: #008000;\">print<\/span> (min_val, max_val)\n\n1 18<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy teraz, \u017ce pr\u00f3bujemy znale\u017a\u0107 pozycj\u0119 indeksu warto\u015bci minimalnej i maksymalnej w tablicy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#attempt to print index position of minimum value\n<span style=\"color: #000000;\">x. <span style=\"color: #3366ff;\">index<\/span> (min_val)\n\n<span style=\"color: #ff0000;\">AttributeError<\/span> : 'numpy.ndarray' object has no attribute 'index'\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Otrzymujemy b\u0142\u0105d, poniewa\u017c nie mo\u017cemy zastosowa\u0107 funkcji <strong>indeksu()<\/strong> do tablicy NumPy.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Jak rozwi\u0105za\u0107 problem<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Aby znale\u017a\u0107 pozycj\u0119 indeksu warto\u015bci minimalnej i maksymalnej w tablicy NumPy, mo\u017cemy skorzysta\u0107 z funkcji NumPywhere <strong>()<\/strong> :<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find index position of minimum value<\/span>\nn.p. <span style=\"color: #3366ff;\">where<\/span> (x == min_val)\n\n(array([3]),)\n\n<span style=\"color: #008080;\">#find index position of maximum value\n<\/span>n.p. <span style=\"color: #3366ff;\">where<\/span> (x == max_val)\n\n(array([9]),)\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Z wyniku mo\u017cemy zobaczy\u0107:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Minimalna warto\u015b\u0107 tablicy znajduje si\u0119 na pozycji indeksu <strong>3<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Maksymalna warto\u015b\u0107 tablicy znajduje si\u0119 na pozycji indeksu <strong>9<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 tej samej og\u00f3lnej sk\u0142adni, aby znale\u017a\u0107 pozycj\u0119 indeksu dowolnej warto\u015bci w tablicy NumPy.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na przyk\u0142ad mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby znale\u017a\u0107, kt\u00f3re pozycje indeksu w tablicy NumPy maj\u0105 warto\u015b\u0107 9:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find index positions that are equal to the value 9\n<\/span>n.p. <span style=\"color: #3366ff;\">where<\/span> (x == <span style=\"color: #008000;\">9<\/span> )\n\n(array([5, 6, 8]),)\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Z wyniku widzimy, \u017ce wszystkie warto\u015bci na pozycjach indeksu 5, 6 i 8 s\u0105 r\u00f3wne <strong>9<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak naprawi\u0107 inne typowe b\u0142\u0119dy w Pythonie:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/b\u0142ad-klucza-pandy\/\" target=\"_blank\" rel=\"noopener\">Jak naprawi\u0107 b\u0142\u0105d KeyError w Pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/valueerror-nie-moze-przekonwertowac-float-nan-na-liczbe-ca\u0142kowita\/\" target=\"_blank\" rel=\"noopener\">Jak naprawi\u0107: ValueError: Nie mo\u017cna przekonwertowa\u0107 float NaN na int<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/operandy-nie-mog\u0142y-byc-rozg\u0142aszane-wraz-z-formularzami\/\" target=\"_blank\" rel=\"noopener\">Jak naprawi\u0107: B\u0142\u0105d warto\u015bci: Nie mo\u017cna rozg\u0142asza\u0107 argument\u00f3w z kszta\u0142tami<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u0142\u0105d, kt\u00f3ry mo\u017cesz napotka\u0107 podczas korzystania z NumPy, to: AttributeError : 'numpy.ndarray&#8217; object has no attribute 'index&#8217; Ten b\u0142\u0105d wyst\u0119puje podczas pr\u00f3by u\u017cycia funkcji indeksu() w tablicy NumPy, dla kt\u00f3rej nie s\u0105 dost\u0119pne \u017cadne atrybuty indeksu. Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce rozwi\u0105za\u0107 ten b\u0142\u0105d. Jak odtworzy\u0107 b\u0142\u0105d Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 tablic\u0119 NumPy: import [&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-2204","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 naprawi\u0107: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak naprawi\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w NumPy: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d.\" \/>\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\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak naprawi\u0107: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak naprawi\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w NumPy: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T06:34:46+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\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/\",\"url\":\"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/\",\"name\":\"Jak naprawi\u0107: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-23T06:34:46+00:00\",\"dateModified\":\"2023-07-23T06:34:46+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak naprawi\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w NumPy: Obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/obiekt-numpy-ndarray-nie-ma-indeksu-atrybutow\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak naprawi\u0107: obiekt \u201enumpy.ndarray\u201d nie ma atrybutu \u201eindeks\u201d.\"}]},{\"@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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