{"id":910,"date":"2023-07-28T08:34:13","date_gmt":"2023-07-28T08:34:13","guid":{"rendered":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/"},"modified":"2023-07-28T08:34:13","modified_gmt":"2023-07-28T08:34:13","slug":"bilah-kesalahan-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/","title":{"rendered":"Cara menambahkan bilah kesalahan ke bagan dengan python"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Seringkali, Anda mungkin ingin menambahkan <strong>bilah kesalahan<\/strong> ke grafik dengan Python untuk menangkap ketidakpastian seputar pengukuran atau nilai yang dihitung. Untungnya, ini mudah dilakukan dengan menggunakan perpustakaan matplotlib.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan cara menambahkan bilah kesalahan ke diagram batang dan diagram garis dengan Python.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Bilah kesalahan dalam diagram batang<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki kumpulan data 10 nilai berikut dengan Python:<\/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> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define dataset<\/span>\ndata = [4, 6, 6, 8, 9, 14, 16, 16, 17, 20]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Untuk membuat diagram batang dengan bilah kesalahan untuk kumpulan data ini, kita dapat mengatur lebar bilah kesalahan sebagai <strong>kesalahan standar<\/strong> , yang dihitung a<\/span><strong><br \/><\/strong><\/p>\n<p> <span style=\"color: #000000;\"><strong>Kesalahan standar = s \/ \u221an<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>s:<\/strong> deviasi standar sampel<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>n:<\/strong> ukuran sampel<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung kesalahan standar untuk contoh ini:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate standard error<\/span>\nstd_error = np.std(data, ddof=1) \/ np.sqrt(len(data))\n\n<span style=\"color: #008080;\">#view standard error<\/span>\nstd_error\n\n1.78\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Terakhir, kita dapat membuat diagram batang menggunakan batang kesalahan yang lebarnya sama dengan kesalahan standar:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define chart<\/span> \nfig, ax = plt.subplots()\n\n<span style=\"color: #008080;\">#create chart<\/span>\nax.bar(x=np.arange(len(data)), <span style=\"color: #008080;\">#x-coordinates of bars<\/span>\n       height=data, <span style=\"color: #008080;\">#height of bars<\/span>\n       yerr=std_error, <span style=\"color: #008080;\">#error bar width<\/span>\n       capsize=4) <span style=\"color: #008080;\">#length of error bar caps<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9718 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/erreur_bar_python1.png\" alt=\"Bagan batang dengan bilah kesalahan dengan Python\" width=\"438\" height=\"297\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Kesalahan standarnya ternyata <strong>1.78<\/strong> . Ini adalah lebar bilah kesalahan yang memanjang ke salah satu arah dari perkiraan titik pada grafik. Misalnya, nilai bilah pertama pada grafik adalah 4, sehingga memiliki bilah kesalahan yang memanjang dari:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Ujung bawah: 4 \u2013 178 = <strong>2,22<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Ujung atas: 4 + 1,78 = <strong>5,78<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Setiap bilah kesalahan dalam bagan memiliki lebar yang sama.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Bilah kesalahan pada diagram garis<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara membuat diagram garis dengan bilah kesalahan untuk kumpulan data yang sama:<\/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> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [4, 6, 6, 8, 9, 14, 16, 16, 17, 20]\n\n<span style=\"color: #008080;\">#define x and y coordinates\n<\/span>x = np.arange(len(data))\ny = data\n\n<span style=\"color: #008080;\">#create line chart with error bars\n<\/span>fig, ax = plt.subplots()\n\nax.errorbar(x, y,\n            yerr=std_error,\n            capsize=4)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9720 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/erreur_bar_python2.png\" alt=\"Bagan Garis dengan Bilah Kesalahan dengan Python\" width=\"397\" height=\"266\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa argumen <strong>yerr<\/strong> memberitahu Python untuk membuat bilah kesalahan vertikal. Sebagai gantinya kita bisa menggunakan batang vertikal horizontal menggunakan argumen <strong>xerr<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create line chart with horizontal error bars\n<\/span>fig, ax = plt.subplots()\n\nax.errorbar(x, y,\n            <span style=\"color: #3366ff;\">xerr<\/span> =std_error,\n            capsize=4)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-9721 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/erreur_bar_python3.png\" alt=\"Bilah kesalahan dalam bagan Python\" width=\"418\" height=\"289\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\"><em>Anda dapat menemukan lebih banyak tutorial Python di sini .<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seringkali, Anda mungkin ingin menambahkan bilah kesalahan ke grafik dengan Python untuk menangkap ketidakpastian seputar pengukuran atau nilai yang dihitung. Untungnya, ini mudah dilakukan dengan menggunakan perpustakaan matplotlib. Tutorial ini menjelaskan cara menambahkan bilah kesalahan ke diagram batang dan diagram garis dengan Python. Bilah kesalahan dalam diagram batang Misalkan kita memiliki kumpulan data 10 nilai [&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 Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.\" \/>\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\/bilah-kesalahan-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T08:34:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/erreur_bar_python1.png\" \/>\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\/bilah-kesalahan-python\/\",\"url\":\"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/\",\"name\":\"Cara Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-28T08:34:13+00:00\",\"dateModified\":\"2023-07-28T08:34:13+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menambahkan bilah kesalahan ke bagan dengan python\"}]},{\"@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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya\",\"sameAs\":[\"http:\/\/statorials.org\/id\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cara Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi","description":"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/","og_locale":"id_ID","og_type":"article","og_title":"Cara Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi","og_description":"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.","og_url":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/","og_site_name":"Statorials","article_published_time":"2023-07-28T08:34:13+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/erreur_bar_python1.png"}],"author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Ditulis oleh":"Benjamin anderson","Estimasi waktu membaca":"2 menit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/","url":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/","name":"Cara Menambahkan Bilah Kesalahan ke Grafik dengan Python - Statologi","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-28T08:34:13+00:00","dateModified":"2023-07-28T08:34:13+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Penjelasan sederhana tentang cara menambahkan bilah kesalahan ke grafik dengan Python.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/bilah-kesalahan-python\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/bilah-kesalahan-python\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara menambahkan bilah kesalahan ke bagan dengan python"}]},{"@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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya","sameAs":["http:\/\/statorials.org\/id"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/910"}],"collection":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/comments?post=910"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/910\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}