{"id":836,"date":"2023-07-28T14:20:58","date_gmt":"2023-07-28T14:20:58","guid":{"rendered":"https:\/\/statorials.org\/pl\/mapa-cieplna-pythona\/"},"modified":"2023-07-28T14:20:58","modified_gmt":"2023-07-28T14:20:58","slug":"mapa-cieplna-pythona","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/mapa-cieplna-pythona\/","title":{"rendered":"Jak \u0142atwo tworzy\u0107 mapy cieplne w pythonie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych w Pythonie, kt\u00f3ry wy\u015bwietla liczb\u0119 sprzeda\u017cy dokonanej przez okre\u015blony sklep ka\u017cdego dnia tygodnia przez pi\u0119\u0107 tygodni:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #107d3f;\">import <span style=\"color: #000000;\">pandas<\/span> as <span style=\"color: #000000;\">pd<\/span> \nimport<\/span> seaborn <span style=\"color: #107d3f;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create a dataset<\/span>\nnp.random.seed(0)\ndata = {'day': np.tile(['Mon', 'Tue', 'Wed', 'Thur', 'Fri'], 5),\n        'week': np.repeat([1, 2, 3, 4, 5], 5),\n        'sales': np.random.randint(0, 50, size=25)\n        }\n\ndf = pd.DataFrame(data,columns=['day','week','sales'])\ndf = df.pivot('day', 'week', 'sales')\n\n<span style=\"color: #008080;\">view first ten rows of dataset\n<\/span>df[:10]\n\nweek 1 2 3 4 5\nday\t\t\t\t\t\nFri 3 36 12 46 13\nMy 44 39 23 1 24\nThursday 3 21 24 23 25\nKills 47 9 6 38 17\nWed 0 19 24 39 37\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Utw\u00f3rz podstawow\u0105 map\u0119 ciepln\u0105<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podstawow\u0105 map\u0119 ciepln\u0105 mo\u017cemy stworzy\u0107 za pomoc\u0105 funkcji <strong>ns.heatmap()<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>sns.heatmap(df)<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9253 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python1.png\" alt=\"Mapa cieplna w Pythonie\" width=\"400\" height=\"296\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Pasek kolor\u00f3w po prawej stronie wy\u015bwietla legend\u0119 wskazuj\u0105c\u0105 warto\u015bci reprezentowane przez r\u00f3\u017cne kolory.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodaj linie do mapy cieplnej<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cesz doda\u0107 linie pomi\u0119dzy kwadratami na mapie cieplnej za pomoc\u0105 argumentu <strong>linewidths<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>sns.heatmap(df, linewidths=.5)<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9255 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python2.png\" alt=\"Mapa cieplna Marine Python\" width=\"402\" height=\"294\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodaj adnotacje do mapy cieplnej<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cesz tak\u017ce doda\u0107 adnotacje do mapy cieplnej, u\u017cywaj\u0105c argumentu <strong>annot=True<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>sns.heatmap(df, linewidths=.5, annot=True)<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9256 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python3.png\" alt=\"Mapa cieplna z adnotacjami w Pythonie\" width=\"401\" height=\"293\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ukryj pasek kolor\u00f3w mapy cieplnej<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cesz tak\u017ce ca\u0142kowicie ukry\u0107 pasek kolor\u00f3w, u\u017cywaj\u0105c opcji <strong>cbar=False<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>sns.heatmap(df, linewidths=.5, annot=True, cbar=False)<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9257 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python4.png\" alt=\"Przyk\u0142ad mapy cieplnej w Pythonie\" width=\"399\" height=\"274\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Zmie\u0144 motyw kolor\u00f3w mapy cieplnej<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cesz tak\u017ce zmieni\u0107 motyw kolor\u00f3w za pomoc\u0105 argumentu <strong>cmap<\/strong> . Na przyk\u0142ad mo\u017cesz ustawi\u0107 kolory w zakresie od \u017c\u00f3\u0142tego przez zielony do niebieskiego:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns.heatmap(df, cmap='YlGnBu')\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9258 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python5.png\" alt=\"Mapa cieplna Pythona\" width=\"403\" height=\"287\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cesz te\u017c zmieni\u0107 kolory z czerwonego na niebieski:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns.heatmap(df, cmap='RdBu')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9259 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/heatmap_python6.png\" alt=\"mapa cieplna z r\u00f3\u017cnymi cmapami w Pythonie\" width=\"400\" height=\"292\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><em>Pe\u0142n\u0105 list\u0119 palet kolor\u00f3w mo\u017cna znale\u017a\u0107 w <a href=\"https:\/\/matplotlib.org\/3.1.0\/tutorials\/colors\/colormaps.html\" target=\"_blank\" rel=\"noopener noreferrer\">dokumentacji matplotlib<\/a> .<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych w Pythonie, kt\u00f3ry wy\u015bwietla liczb\u0119 sprzeda\u017cy dokonanej przez okre\u015blony sklep ka\u017cdego dnia tygodnia przez pi\u0119\u0107 tygodni: import numpy as np import pandas as pd import seaborn as sns #create a dataset np.random.seed(0) data = {&#8217;day&#8217;: np.tile([&#8217;Mon&#8217;, 'Tue&#8217;, 'Wed&#8217;, 'Thur&#8217;, 'Fri&#8217;], 5), 'week&#8217;: np.repeat([1, 2, 3, 4, 5], 5), 'sales&#8217;: [&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-836","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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