{"id":2924,"date":"2023-07-20T01:55:54","date_gmt":"2023-07-20T01:55:54","guid":{"rendered":"https:\/\/statorials.org\/th\/%e0%b8%9e%e0%b8%a5%e0%b9%87%e0%b8%ad%e0%b8%95%e0%b8%9a%e0%b8%b2%e0%b8%a3%e0%b9%8c%e0%b9%81%e0%b8%9e%e0%b8%99%e0%b8%94%e0%b9%89%e0%b8%b2-groupby\/"},"modified":"2023-07-20T01:55:54","modified_gmt":"2023-07-20T01:55:54","slug":"%e0%b8%9e%e0%b8%a5%e0%b9%87%e0%b8%ad%e0%b8%95%e0%b8%9a%e0%b8%b2%e0%b8%a3%e0%b9%8c%e0%b9%81%e0%b8%9e%e0%b8%99%e0%b8%94%e0%b9%89%e0%b8%b2-groupby","status":"publish","type":"post","link":"https:\/\/statorials.org\/th\/%e0%b8%9e%e0%b8%a5%e0%b9%87%e0%b8%ad%e0%b8%95%e0%b8%9a%e0%b8%b2%e0%b8%a3%e0%b9%8c%e0%b9%81%e0%b8%9e%e0%b8%99%e0%b8%94%e0%b9%89%e0%b8%b2-groupby\/","title":{"rendered":"Pandas: \u0e27\u0e34\u0e18\u0e35\u0e2a\u0e23\u0e49\u0e32\u0e07 bar plot \u0e08\u0e32\u0e01 groupby"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0e04\u0e38\u0e13\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e44\u0e27\u0e22\u0e32\u0e01\u0e23\u0e13\u0e4c\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e01\u0e23\u0e32\u0e1f\u0e41\u0e17\u0e48\u0e07\u0e08\u0e32\u0e01\u0e1f\u0e31\u0e07\u0e01\u0e4c\u0e0a\u0e31\u0e19 GroupBy \u0e43\u0e19\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate sum of values by group<\/span>\ndf_groups = df. <span style=\"color: #3366ff;\">groupby<\/span> ([' <span style=\"color: #ff0000;\">group_var<\/span> '])[' <span style=\"color: #ff0000;\">values_var<\/span> ']. <span style=\"color: #3366ff;\">sum<\/span> ()\n\n<span style=\"color: #008080;\">#create bar plot by group<\/span>\ndf_groups. <span style=\"color: #3366ff;\">plot<\/span> (kind=' <span style=\"color: #ff0000;\">bar<\/span> ')<\/strong>\n<\/pre>\n<p> <span style=\"color: #000000;\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e41\u0e2a\u0e14\u0e07\u0e27\u0e34\u0e18\u0e35\u0e43\u0e0a\u0e49\u0e44\u0e27\u0e22\u0e32\u0e01\u0e23\u0e13\u0e4c\u0e19\u0e35\u0e49\u0e43\u0e19\u0e17\u0e32\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07: \u0e2a\u0e23\u0e49\u0e32\u0e07\u0e41\u0e1c\u0e19\u0e20\u0e39\u0e21\u0e34\u0e41\u0e17\u0e48\u0e07\u0e08\u0e32\u0e01 GroupBy \u0e43\u0e19 Pandas<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\u0e2a\u0e21\u0e21\u0e15\u0e34\u0e27\u0e48\u0e32\u0e40\u0e23\u0e32\u0e21\u0e35 DataFrame \u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e0b\u0e36\u0e48\u0e07\u0e41\u0e2a\u0e14\u0e07\u0e04\u0e30\u0e41\u0e19\u0e19\u0e17\u0e35\u0e48\u0e1c\u0e39\u0e49\u0e40\u0e25\u0e48\u0e19\u0e1a\u0e32\u0e2a\u0e40\u0e01\u0e15\u0e1a\u0e2d\u0e25\u0e08\u0e32\u0e01\u0e17\u0e35\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'A', 'A',\n                            'B', 'B', 'B', 'B', 'B',\n                            'C', 'C', 'C', 'C', 'C'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [12, 29, 34, 14, 10, 11, 7, 36,\n                              34, 22, 41, 40, 45, 36, 38]})\n\n<span style=\"color: #008080;\">#view first five rows of DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">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<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">\u0e40\u0e23\u0e32\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e44\u0e27\u0e22\u0e32\u0e01\u0e23\u0e13\u0e4c\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e33\u0e19\u0e27\u0e13\u0e1c\u0e25\u0e23\u0e27\u0e21\u0e04\u0e30\u0e41\u0e19\u0e19\u0e17\u0e35\u0e48\u0e41\u0e15\u0e48\u0e25\u0e30\u0e17\u0e35\u0e21\u0e17\u0e33\u0e44\u0e14\u0e49 \u0e41\u0e25\u0e30\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e41\u0e1c\u0e19\u0e20\u0e39\u0e21\u0e34\u0e41\u0e17\u0e48\u0e07\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e47\u0e19\u0e20\u0e32\u0e1e\u0e1c\u0e25\u0e23\u0e27\u0e21\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e17\u0e35\u0e21:<\/span><\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt<\/span>\n\n#calculate sum of points for each team\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">groupby<\/span> (' <span style=\"color: #ff0000;\">team<\/span> ')[' <span style=\"color: #ff0000;\">points<\/span> ']. <span style=\"color: #3366ff;\">sum<\/span> ()\n\n<\/span>#create bar plot by group\n<span style=\"color: #000000;\">df_groups. <span style=\"color: #3366ff;\">plot<\/span> (kind=' <span style=\"color: #ff0000;\">bar<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25431 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupby_bar1.jpg\" alt=\"\" width=\"387\" height=\"264\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\u0e41\u0e01\u0e19 x \u0e41\u0e2a\u0e14\u0e07\u0e0a\u0e37\u0e48\u0e2d\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e17\u0e35\u0e21 \u0e41\u0e25\u0e30\u0e41\u0e01\u0e19 y \u0e41\u0e2a\u0e14\u0e07\u0e1c\u0e25\u0e23\u0e27\u0e21\u0e04\u0e30\u0e41\u0e19\u0e19\u0e17\u0e35\u0e48\u0e41\u0e15\u0e48\u0e25\u0e30\u0e17\u0e35\u0e21\u0e17\u0e33\u0e44\u0e14\u0e49<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u0e19\u0e2d\u0e01\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49\u0e40\u0e23\u0e32\u0e22\u0e31\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e42\u0e04\u0e49\u0e14\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e42\u0e04\u0e23\u0e07\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19\u0e40\u0e25\u0e47\u0e01\u0e19\u0e49\u0e2d\u0e22:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #008080;\"><strong><span style=\"font-size: 15px; color: #008000;\">import<\/span> <span style=\"font-size: 15px; color: #000000;\">matplotlib.<\/span> <span style=\"font-size: 15px; color: #3366ff;\">pyplot<\/span> <span style=\"font-size: 15px; color: #008000;\">as<\/span> <span style=\"font-size: 15px; color: #000000;\">plt\n\n<\/span><span style=\"font-size: 15px; color: #008080;\">#calculate sum of points for each team\n<\/span><span style=\"font-size: 15px; color: #000000;\">df_groups = df.<\/span> <span style=\"font-size: 15px; color: #3366ff;\">groupby<\/span> <span style=\"font-size: 15px; color: #000000;\">(['<\/span> <span style=\"font-size: 15px; color: #ff0000;\">team<\/span> <span style=\"font-size: 15px; color: #000000;\">'])['<\/span> <span style=\"font-size: 15px; color: #ff0000;\">points<\/span> <span style=\"font-size: 15px; color: #000000;\">'].<\/span> <span style=\"font-size: 15px; color: #3366ff;\">sum<\/span> <span style=\"font-size: 15px; color: #000000;\">()\n\n<\/span><span style=\"font-size: 15px; color: #008080;\">#create bar plot with custom<\/span> <span style=\"color: #008080;\"><span style=\"font-size: 15px;\">aesthetics<\/span><\/span>\n<span style=\"font-size: 15px; color: #000000;\">df_groups.<\/span> <span style=\"font-size: 15px; color: #3366ff;\">plot<\/span> <span style=\"font-size: 15px; color: #000000;\">(kind='<\/span> <span style=\"font-size: 15px; color: #ff0000;\">bar<\/span> <span style=\"font-size: 15px; color: #000000;\">', title='<\/span> <span style=\"font-size: 15px; color: #ff0000;\">Total Points by Team<\/span> <span style=\"font-size: 15px; color: #000000;\">',\n               ylabel='<\/span> <span style=\"font-size: 15px; color: #ff0000;\">Total Points<\/span> ' <span style=\"font-size: 15px; color: #008000;\">,<\/span> <span style=\"font-size: 15px; color: #000000;\">xlabel='<\/span> <span style=\"font-size: 15px; color: #ff0000;\">Team<\/span> <span style=\"font-size: 15px; color: #000000;\">', figsize=(<\/span> <span style=\"font-size: 15px; color: #008000;\">10,6<\/span> <span style=\"font-size: 15px; color: #000000;\">)<\/span> <span style=\"font-size: 15px; color: #000000;\">)<\/span><span style=\"font-size: 15px; color: #000000;\">\n\n<\/span><span style=\"font-size: 15px; color: #008080;\">#rotate x-axis ticks vertically\n<\/span><span style=\"font-size: 15px; color: #000000;\">plt.<\/span> <span style=\"font-size: 15px; color: #3366ff;\">xticks<\/span> <span style=\"font-size: 15px; color: #000000;\">(rotation=<\/span> <span style=\"font-size: 15px; color: #008000;\">0<\/span> <span style=\"font-size: 15px; color: #000000;\">)<\/span><\/strong><b>\n<\/b><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25432\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupby_bar2.jpg\" alt=\"\u0e01\u0e25\u0e38\u0e48\u0e21\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32\u0e15\u0e48\u0e2d\u0e41\u0e1b\u0e25\u0e07\u0e41\u0e17\u0e48\u0e07\" width=\"605\" height=\"375\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u0e2b\u0e21\u0e32\u0e22\u0e40\u0e2b\u0e15\u0e38<\/strong> : \u0e04\u0e38\u0e13\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e04\u0e49\u0e19\u0e2b\u0e32\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e09\u0e1a\u0e31\u0e1a\u0e40\u0e15\u0e47\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1f\u0e31\u0e07\u0e01\u0e4c\u0e0a\u0e31\u0e19 <strong>GroupBy<\/strong> <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.DataFrame.groupby.html\" target=\"_blank\" rel=\"noopener\">\u0e44\u0e14\u0e49\u0e17\u0e35\u0e48\u0e19\u0e35\u0e48<\/a><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u0e41\u0e2b\u0e25\u0e48\u0e07\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u0e1a\u0e17\u0e0a\u0e48\u0e27\u0e22\u0e2a\u0e2d\u0e19\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e08\u0e30\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e27\u0e34\u0e18\u0e35\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e2d\u0e37\u0e48\u0e19 \u0e46 \u0e43\u0e19\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/th\/\u0e01\u0e25\u0e38\u0e48\u0e21\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32\u0e19\u0e31\u0e1a\u0e44\u0e21\u0e48\u0e0b\u0e49\u0e33\u0e01\u0e31\u0e19\/\" target=\"_blank\" rel=\"noopener\">Pandas: \u0e27\u0e34\u0e18\u0e35\u0e19\u0e31\u0e1a\u0e04\u0e48\u0e32\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e0b\u0e49\u0e33\u0e15\u0e32\u0e21\u0e01\u0e25\u0e38\u0e48\u0e21<\/a><br \/> <a href=\"https:\/\/statorials.org\/th\/\u0e42\u0e2b\u0e21\u0e14\u0e01\u0e25\u0e38\u0e48\u0e21\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32\/\" target=\"_blank\" rel=\"noopener\">\u0e19\u0e38\u0e48\u0e19: \u0e27\u0e34\u0e18\u0e35\u0e04\u0e33\u0e19\u0e27\u0e13\u0e42\u0e2b\u0e21\u0e14\u0e15\u0e32\u0e21\u0e01\u0e25\u0e38\u0e48\u0e21<\/a><br \/> <a href=\"https:\/\/statorials.org\/th\/\u0e01\u0e25\u0e38\u0e48\u0e21\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32\u0e14\u0e49\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e01\u0e31\u0e19\/\" target=\"_blank\" rel=\"noopener\">\u0e19\u0e38\u0e48\u0e19: \u0e27\u0e34\u0e18\u0e35\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e15\u0e32\u0e21\u0e01\u0e25\u0e38\u0e48\u0e21<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e04\u0e38\u0e13\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e44\u0e27\u0e22\u0e32\u0e01\u0e23\u0e13\u0e4c\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e01\u0e23\u0e32\u0e1f\u0e41\u0e17\u0e48\u0e07\u0e08\u0e32\u0e01\u0e1f\u0e31\u0e07\u0e01\u0e4c\u0e0a [&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-2924","post","type-post","status-publish","format-standard","hentry","category-3"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pandas: \u0e27\u0e34\u0e18\u0e35\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e41\u0e1c\u0e19\u0e20\u0e39\u0e21\u0e34\u0e41\u0e17\u0e48\u0e07\u0e08\u0e32\u0e01 GroupBy - Statology<\/title>\n<meta name=\"description\" content=\"\u0e1a\u0e17\u0e0a\u0e48\u0e27\u0e22\u0e2a\u0e2d\u0e19\u0e19\u0e35\u0e49\u0e08\u0e30\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e27\u0e34\u0e18\u0e35\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e41\u0e1c\u0e19\u0e20\u0e39\u0e21\u0e34\u0e41\u0e17\u0e48\u0e07\u0e08\u0e32\u0e01\u0e1f\u0e31\u0e07\u0e01\u0e4c\u0e0a\u0e31\u0e19 Pandas GroupBy \u0e1e\u0e23\u0e49\u0e2d\u0e21\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\" \/>\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\/th\/\u0e1e\u0e25\u0e47\u0e2d\u0e15\u0e1a\u0e32\u0e23\u0e4c\u0e41\u0e1e\u0e19\u0e14\u0e49\u0e32-groupby\/\" \/>\n<meta property=\"og:locale\" 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