{"id":2923,"date":"2023-07-20T01:55:54","date_gmt":"2023-07-20T01:55:54","guid":{"rendered":"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/"},"modified":"2023-07-20T01:55:54","modified_gmt":"2023-07-20T01:55:54","slug":"wykres-slupkowy-grupowania-pand","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/","title":{"rendered":"Pandy: jak utworzy\u0107 wykres s\u0142upkowy z groupby"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby utworzy\u0107 wykres s\u0142upkowy na podstawie funkcji GroupBy w pandach:<\/span><\/p>\n

 #calculate sum of values by group<\/span>\ndf_groups = df. groupby<\/span> ([' group_var<\/span> '])[' values_var<\/span> ']. sum<\/span> ()\n\n#create bar plot by group<\/span>\ndf_groups. plot<\/span> (kind=' bar<\/span> ')<\/strong>\n<\/pre>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n
 Przyk\u0142ad: utw\u00f3rz wykres s\u0142upkowy z GroupBy w Pandach<\/strong><\/span><\/h2>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych pand, kt\u00f3ra pokazuje punkty zdobyte przez koszykarzy z r\u00f3\u017cnych dru\u017cyn:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\n<\/span>df = pd. DataFrame<\/span> ({' team<\/span> ': ['A', 'A', 'A', 'A', 'A',\n                            'B', 'B', 'B', 'B', 'B',\n                            'C', 'C', 'C', 'C', 'C'],\n                   ' points<\/span> ': [12, 29, 34, 14, 10, 11, 7, 36,\n                              34, 22, 41, 40, 45, 36, 38]})\n\n#view first five rows of DataFrame\n<\/span>df. head<\/span> ()\n\n\tteam points\n0 to 12\n1 to 29\n2 to 34\n3 to 14\n4 to 10<\/span><\/span><\/strong><\/pre>\n
 Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby obliczy\u0107 sum\u0119 punkt\u00f3w zdobytych przez ka\u017cd\u0105 dru\u017cyn\u0119 i utworzy\u0107 wykres s\u0142upkowy w celu wizualizacji sumy ka\u017cdej dru\u017cyny:<\/span><\/span> <\/p>\n
 import<\/span> matplotlib. pyplot<\/span> as<\/span> plt<\/span>\n\n#calculate sum of points for each team\ndf. groupby<\/span> (' team<\/span> ')[' points<\/span> ']. sum<\/span> ()\n\n<\/span>#create bar plot by group\ndf_groups. plot<\/span> (kind=' bar<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n
\"\"<\/p>\n
 O\u015b x pokazuje nazw\u0119 ka\u017cdej dru\u017cyny, a o\u015b y przedstawia sum\u0119 punkt\u00f3w zdobytych przez ka\u017cd\u0105 dru\u017cyn\u0119.<\/span><\/p>\n
 Mo\u017cemy r\u00f3wnie\u017c u\u017cy\u0107 poni\u017cszego kodu, aby nieco ulepszy\u0107 fabu\u0142\u0119:<\/span> <\/p>\n
 import<\/span> matplotlib.<\/span> pyplot<\/span> as<\/span> plt\n\n<\/span>#calculate sum of points for each team\n<\/span>df_groups = df.<\/span> groupby<\/span> (['<\/span> team<\/span> '])['<\/span> points<\/span> '].<\/span> sum<\/span> ()\n\n<\/span>#create bar plot with custom<\/span> aesthetics<\/span><\/span>\ndf_groups.<\/span> plot<\/span> (kind='<\/span> bar<\/span> ', title='<\/span> Total Points by Team<\/span> ',\n               ylabel='<\/span> Total Points<\/span> ' ,<\/span> xlabel='<\/span> Team<\/span> ', figsize=(<\/span> 10,6<\/span> )<\/span> )<\/span>\n\n<\/span>#rotate x-axis ticks vertically\n<\/span>plt.<\/span> xticks<\/span> (rotation=<\/span> 0<\/span> )<\/span><\/strong>\n<\/b><\/span><\/pre>\n
\"grupa<\/p>\n
 Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 funkcji GroupBy<\/strong> znajdziesz tutaj<\/a> .<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h3>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe operacje na pandach:<\/span><\/p>\n
Pandy: jak liczy\u0107 unikalne warto\u015bci wed\u0142ug grupy<\/a>
 Pandy: Jak obliczy\u0107 tryb wed\u0142ug grupy<\/a>
 Pandy: jak obliczy\u0107 korelacj\u0119 wed\u0142ug grup<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby utworzy\u0107 wykres s\u0142upkowy na podstawie funkcji GroupBy w pandach: #calculate sum of values by group df_groups = df. groupby ([’ group_var ’])[’ values_var ’]. sum () #create bar plot by group df_groups. plot (kind=’ bar ’) Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce. Przyk\u0142ad: utw\u00f3rz wykres s\u0142upkowy z […]<\/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-2923","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nPandy: jak utworzy\u0107 wykres s\u0142upkowy z GroupBy \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 wykres s\u0142upkowy na podstawie funkcji Pandas GroupBy.\" \/>\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\/wykres-slupkowy-grupowania-pand\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandy: jak utworzy\u0107 wykres s\u0142upkowy z GroupBy \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 wykres s\u0142upkowy na podstawie funkcji Pandas GroupBy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T01:55:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupby_bar1.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\/wykres-slupkowy-grupowania-pand\/\",\"url\":\"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/\",\"name\":\"Pandy: jak utworzy\u0107 wykres s\u0142upkowy z GroupBy \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-20T01:55:54+00:00\",\"dateModified\":\"2023-07-20T01:55:54+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 wykres s\u0142upkowy na podstawie funkcji Pandas GroupBy.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/wykres-slupkowy-grupowania-pand\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandy: jak utworzy\u0107 wykres s\u0142upkowy z groupby\"}]},{\"@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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