{"id":4235,"date":"2023-07-12T15:27:26","date_gmt":"2023-07-12T15:27:26","guid":{"rendered":"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/"},"modified":"2023-07-12T15:27:26","modified_gmt":"2023-07-12T15:27:26","slug":"persamaan-regplot-seaborn","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/","title":{"rendered":"Cara menampilkan persamaan regresi di seaborn regplot"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">Anda dapat menggunakan fungsi <strong>regplot<\/strong> seaborn untuk memplot model regresi linier yang sesuai dengan kumpulan data.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Sayangnya, Seaborn tidak memiliki fitur bawaan untuk mengekstrak persamaan regresi dari garis, tetapi Anda dapat menggunakan fungsi <strong>scipy.stats.linregress<\/strong> untuk menemukan koefisien regresi dengan cepat:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> scipy\n<span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create regplot\n<\/span>p = sns. <span style=\"color: #3366ff;\">regplot<\/span> (data=df, x=df. <span style=\"color: #3366ff;\">x<\/span> , y=df. <span style=\"color: #3366ff;\">y<\/span> )\n\n<span style=\"color: #008080;\">#calculate slope and intercept of regression equation\n<\/span>slope, intercept, r, p, sterr = scipy. <span style=\"color: #3366ff;\">stats<\/span> . <span style=\"color: #3366ff;\">linregress<\/span> (x= <span style=\"color: #3366ff;\">p.get_lines<\/span> ()[0] <span style=\"color: #3366ff;\">.get_xdata<\/span> (),\n                                                       y=p. <span style=\"color: #3366ff;\">get_lines<\/span> ()[0]. <span style=\"color: #3366ff;\">get_ydata<\/span> ())\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh: Tampilkan persamaan regresi di Seaborn Regplot<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki pandas DataFrame berikut yang berisi informasi tentang jam belajar dan nilai ujian akhir berbagai siswa:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><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;\">hours<\/span> ': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],\n                   ' <span style=\"color: #ff0000;\">score<\/span> ': [77, 79, 84, 80, 81, 89, 95, 90, 83, 89]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n   hours score\n0 1 77\n1 2 79\n2 3 84\n3 4 80\n4 5 81\n5 6 89\n6 7 95\n7 8 90\n8 9 83\n9 10 89\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Katakanlah kita ingin memplot titik data dan menambahkan garis regresi yang sesuai ke data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk melakukan ini:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> scipy\n<span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create regplot\n<\/span>p = sns. <span style=\"color: #3366ff;\">regplot<\/span> (data=df, x=df. <span style=\"color: #3366ff;\">hours<\/span> , y=df. <span style=\"color: #3366ff;\">score<\/span> )\n\n<span style=\"color: #008080;\">#calculate slope and intercept of regression equation\n<\/span>slope, intercept, r, p, sterr = scipy. <span style=\"color: #3366ff;\">stats<\/span> . <span style=\"color: #3366ff;\">linregress<\/span> (x= <span style=\"color: #3366ff;\">p.get_lines<\/span> ()[0] <span style=\"color: #3366ff;\">.get_xdata<\/span> (),\n                                                       y=p. <span style=\"color: #3366ff;\">get_lines<\/span> ()[0]. <span style=\"color: #3366ff;\">get_ydata<\/span> ())\n\n<span style=\"color: #008080;\">#display slope and intercept of regression equation\n<\/span><span style=\"color: #008000;\">print<\/span> (intercept, slope)\n\n77.39999999999995 1.3272727272727356\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33496 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/regplot1.jpg\" alt=\"\" width=\"542\" height=\"406\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Dari hasilnya terlihat bahwa garis regresi mempunyai persamaan sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>kamu = 77,4 + 1,327<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika kita ingin menampilkan persamaan ini pada <strong>regplot<\/strong> seaborn, kita dapat menggunakan fungsi matplotlib <strong>text()<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><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>\nimport<\/span> scipy\n<span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create regplot\n<\/span>p = sns. <span style=\"color: #3366ff;\">regplot<\/span> (data=df, x=df. <span style=\"color: #3366ff;\">hours<\/span> , y=df. <span style=\"color: #3366ff;\">score<\/span> )\n\n<span style=\"color: #008080;\">#calculate slope and intercept of regression equation\n<\/span>slope, intercept, r, p, sterr = scipy. <span style=\"color: #3366ff;\">stats<\/span> . <span style=\"color: #3366ff;\">linregress<\/span> (x= <span style=\"color: #3366ff;\">p.get_lines<\/span> ()[0] <span style=\"color: #3366ff;\">.get_xdata<\/span> (),\n                                                       y=p. <span style=\"color: #3366ff;\">get_lines<\/span> ()[0]. <span style=\"color: #3366ff;\">get_ydata<\/span> ())\n\n<span style=\"color: #000000;\"><span style=\"color: #008080;\">#add regression equation to plot\n<\/span>plt. <span style=\"color: #3366ff;\">text<\/span> (2, 95, ' <span style=\"color: #ff0000;\">y =<\/span> ' + str(round(intercept,3)) + ' <span style=\"color: #ff0000;\">+<\/span> ' + str(round(slope,3)) + ' <span style=\"color: #ff0000;\">x<\/span> ')<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-33497\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/regplot2.jpg\" alt=\"Persamaan regplot Seaborn\" width=\"546\" height=\"417\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa persamaan regresi sekarang ditampilkan di sudut kiri atas plot.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa dalam fungsi <strong>text()<\/strong> kami menetapkan bahwa persamaan regresi harus ditampilkan dari koordinat (x, y) di (2, 95).<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jangan ragu untuk memodifikasi koordinat ini untuk menampilkan persamaan regresi di mana pun Anda inginkan di plot Anda.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Catatan<\/strong> : Anda dapat menemukan dokumentasi lengkap untuk fungsi <strong>regplot<\/strong> seaborn <a href=\"https:\/\/seaborn.pydata.org\/generated\/seaborn.regplot.html\" target=\"_blank\" rel=\"noopener\">di sini<\/a> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya di Seaborn:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/ukuran-gambar-laut\/\" target=\"_blank\" rel=\"noopener\">Cara menyesuaikan ukuran gambar plot Seaborn<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/posisi-legenda-laut\/\" target=\"_blank\" rel=\"noopener\">Cara mengubah posisi legenda di Seaborn<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/label-sumbu-laut\/\" target=\"_blank\" rel=\"noopener\">Cara mengubah label sumbu pada plot Seaborn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan fungsi regplot seaborn untuk memplot model regresi linier yang sesuai dengan kumpulan data. Sayangnya, Seaborn tidak memiliki fitur bawaan untuk mengekstrak persamaan regresi dari garis, tetapi Anda dapat menggunakan fungsi scipy.stats.linregress untuk menemukan koefisien regresi dengan cepat: import scipy import seaborn as sns #create regplot p = sns. regplot (data=df, x=df. x [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cara menampilkan persamaan regresi di Seaborn Regplot - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menampilkan persamaan regresi di regplot Seaborn, beserta sebuah contoh.\" \/>\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\/id\/persamaan-regplot-seaborn\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menampilkan persamaan regresi di Seaborn Regplot - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menampilkan persamaan regresi di regplot Seaborn, beserta sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T15:27:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/regplot1.jpg\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/\",\"url\":\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/\",\"name\":\"Cara menampilkan persamaan regresi di Seaborn Regplot - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-12T15:27:26+00:00\",\"dateModified\":\"2023-07-12T15:27:26+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menampilkan persamaan regresi di regplot Seaborn, beserta sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/persamaan-regplot-seaborn\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menampilkan persamaan regresi di seaborn regplot\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. 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