{"id":3584,"date":"2023-07-16T17:05:04","date_gmt":"2023-07-16T17:05:04","guid":{"rendered":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/"},"modified":"2023-07-16T17:05:04","modified_gmt":"2023-07-16T17:05:04","slug":"cara-membaca-plot-kotak-dengan-outlier","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/","title":{"rendered":"Cara membaca plot kotak dengan pencilan (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Plot kotak<\/strong> adalah jenis plot yang menampilkan ringkasan lima digit kumpulan data, yang meliputi:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai minimum<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kuartil pertama (persentil ke-25)<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai median<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kuartil ketiga (persentil ke-75)<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai maksimum<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Untuk membuat plot kotak, pertama-tama kita menggambar kotak dari kuartil pertama hingga kuartil ketiga.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Selanjutnya, kita menggambar garis vertikal di median.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Terakhir, kita menarik \u201ckumis\u201d kuartil hingga nilai minimum dan maksimum.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29584 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-aberrante1.jpg\" alt=\"\" width=\"424\" height=\"122\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Di sebagian besar perangkat lunak statistik, suatu observasi<\/span> <span style=\"color: #000000;\">didefinisikan sebagai outlier jika memenuhi salah satu dari dua persyaratan berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Pengamatannya 1,5 kali rentang antarkuartil di bawah kuartil pertama (Q1)<\/span><\/li>\n<li> <span style=\"color: #000000;\">Pengamatannya 1,5 kali rentang antarkuartil di atas kuartil ketiga (Q3).<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Jika ada outlier dalam kumpulan data, biasanya diberi label dengan titik kecil di luar rentang kumis di plot kotak:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-29585\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-aberrante2.jpg\" alt=\"cara membaca outlier di plot kotak\" width=\"523\" height=\"178\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Jika hal ini terjadi, nilai &#8220;minimum&#8221; dan &#8220;maksimum&#8221; dalam diagram kotak hanya diberi nilai masing-masing Q1 \u2013 1,5*IQR dan Q3 + 1,5*IQR.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menafsirkan plot kotak dengan dan tanpa outlier.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh: Menafsirkan Plot Kotak dengan Pencilan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita membuat dua plot kotak berikut untuk memvisualisasikan distribusi poin yang dicetak oleh pemain bola basket dari dua tim berbeda:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29586 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-aberrante3.jpg\" alt=\"\" width=\"504\" height=\"432\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Plot kotak kiri untuk Tim A tidak memiliki outlier karena tidak ada titik kecil yang terletak di luar batas minimum dan maksimum.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Namun, diagram kotak yang tepat untuk Tim B memiliki satu outlier di atas nilai &#8220;maksimum&#8221; dan satu outlier di bawah nilai &#8220;minimum&#8221;.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Berikut adalah ringkasan lima digit terkini untuk distribusi variabel \u201cPoin\u201d untuk Tim B:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai minimal: 1.1<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kuartil pertama: 10.5<\/span><\/li>\n<li> <span style=\"color: #000000;\">Median: 12.7<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kuartil ketiga: 15.6<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai maksimum: 23,5<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Berikut cara menghitung batas potensi outlier:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Skala antarkuartil<\/strong> : Kuartil ketiga \u2013 Kuartil pertama = 15,6 \u2013 10,5 = 5,1<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Batas bawah<\/strong> : Q1 \u2013 1.5*IQR = 10.5 \u2013 1.5*5.1 = 2.85<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Batas atas<\/strong> : Q3 + 1.5*IQR = 15.6 + 1.5*5.1 = 23.25<\/span><\/p>\n<p> <span style=\"color: #000000;\">Whisker untuk nilai minimum dan maksimum pada boxplot ditempatkan pada <strong>2.85<\/strong> dan <strong>23.25<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan demikian, observasi dengan nilai <strong>1,1<\/strong> dan <strong>23,5<\/strong> sama-sama memenuhi syarat sebagai outlier dalam boxplot karena berada di luar batas bawah dan batas atas.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Bonus<\/strong> : Berikut adalah kode persis yang kami gunakan untuk membuat dua plot kotak ini dalam bahasa pemrograman R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#make this example reproducible \n<\/span>set. <span style=\"color: #3366ff;\">seeds<\/span> (2)\n\n<span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (Team = factor(rep(c(\"A\", \"B\"), each = 200)), \n                 Points = c(rnorm(200, mean = 15, sd = 3), \n                           rnorm(200, mean = 12, sd = 4))) \n\n<span style=\"color: #008080;\">#create box plots\n<\/span>ggplot(df, aes(x = Team, y = Points)) +\n  stat_boxplot(geom = \" <span style=\"color: #ff0000;\">errorbar<\/span> \", width = 0.5) +  \n  geom_boxplot() \n\n<span style=\"color: #008080;\">#calculate summary statistics for each team\n<\/span>tapply(df$Points, df$Team, summary)\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut memberikan informasi tambahan tentang plot kotak:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/bandingkan-plot-kotak\/\" target=\"_blank\" rel=\"noopener\">Bagaimana Membandingkan Plot Kotak<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/simetri-plot-kotak\/\" target=\"_blank\" rel=\"noopener\">Cara Mengidentifikasi Asimetri pada Plot Kotak<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/cara-mencari-iqr-plot-kotak\/\" target=\"_blank\" rel=\"noopener\">Cara mencari rentang interkuartil pada diagram kotak<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plot kotak adalah jenis plot yang menampilkan ringkasan lima digit kumpulan data, yang meliputi: Nilai minimum Kuartil pertama (persentil ke-25) Nilai median Kuartil ketiga (persentil ke-75) Nilai maksimum Untuk membuat plot kotak, pertama-tama kita menggambar kotak dari kuartil pertama hingga kuartil ketiga. Selanjutnya, kita menggambar garis vertikal di median. Terakhir, kita menarik \u201ckumis\u201d kuartil hingga [&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 Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, 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\/cara-membaca-plot-kotak-dengan-outlier\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, beserta sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T17:05:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-aberrante1.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\/cara-membaca-plot-kotak-dengan-outlier\/\",\"url\":\"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/\",\"name\":\"Cara Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-16T17:05:04+00:00\",\"dateModified\":\"2023-07-16T17:05:04+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, beserta sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara membaca plot kotak dengan pencilan (dengan contoh)\"}]},{\"@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 Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial","description":"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, beserta sebuah contoh.","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\/cara-membaca-plot-kotak-dengan-outlier\/","og_locale":"id_ID","og_type":"article","og_title":"Cara Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial","og_description":"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, beserta sebuah contoh.","og_url":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/","og_site_name":"Statorials","article_published_time":"2023-07-16T17:05:04+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-aberrante1.jpg"}],"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\/cara-membaca-plot-kotak-dengan-outlier\/","url":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/","name":"Cara Membaca Plot Kotak dengan Pencilan (dengan Contoh) - Statorial","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-16T17:05:04+00:00","dateModified":"2023-07-16T17:05:04+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Tutorial ini menjelaskan cara membaca plot kotak dengan outlier, beserta sebuah contoh.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/cara-membaca-plot-kotak-dengan-outlier\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara membaca plot kotak dengan pencilan (dengan contoh)"}]},{"@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\/3584"}],"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=3584"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/3584\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=3584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=3584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=3584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}