{"id":1322,"date":"2023-07-26T21:20:58","date_gmt":"2023-07-26T21:20:58","guid":{"rendered":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/"},"modified":"2023-07-26T21:20:58","modified_gmt":"2023-07-26T21:20:58","slug":"koefisien-variasi-dalam-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/","title":{"rendered":"Cara menghitung koefisien variasi dengan python"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Koefisien variasi<\/strong> , sering disingkat <em>CV<\/em> , adalah cara mengukur penyebaran nilai dalam kumpulan data relatif terhadap mean. Ini dihitung sebagai berikut:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">CV = \u03c3 \/ \u03bc<\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u03c3 :<\/strong> deviasi standar kumpulan data<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03bc:<\/strong> rata-rata kumpulan data<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Sederhananya, koefisien variasi hanyalah rasio deviasi standar terhadap mean.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kapan menggunakan koefisien variasi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Koefisien variasi sering digunakan untuk membandingkan variasi antara dua kumpulan data yang berbeda.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Di dunia nyata, ini sering digunakan di bidang keuangan untuk membandingkan rata-rata pengembalian yang diharapkan dari suatu investasi dengan deviasi standar yang diharapkan dari investasi tersebut. Hal ini memungkinkan investor untuk membandingkan tradeoff risiko-pengembalian antar investasi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, seorang investor sedang mempertimbangkan untuk berinvestasi pada dua reksa dana berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Reksa Dana A: mean = 9%, standar deviasi = 12,4%<\/span><\/p>\n<p> <span style=\"color: #000000;\">UCITS B: rata-rata = 5%, standar deviasi = 8,2%<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan menghitung koefisien variasi masing-masing dana, investor mencatat:<\/span><\/p>\n<p> <span style=\"color: #000000;\">CV reksa dana A = 12,4% \/9% = <strong>1,38<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">CV Reksa Dana B = 8,2% \/ 5% = <strong>1,64<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Karena Reksa Dana A memiliki koefisien variasi yang lebih rendah, maka Reksa Dana A memberikan pengembalian rata-rata yang lebih baik dibandingkan dengan standar deviasi.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara Menghitung Koefisien Variasi dengan Python<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Untuk menghitung koefisien variasi kumpulan data dengan Python, Anda dapat menggunakan sintaks berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\ncv = <span style=\"color: #008000;\">lambda<\/span> x: np. <span style=\"color: #3366ff;\">std<\/span> (x, ddof= <span style=\"color: #008000;\">1<\/span> ) \/ np. <span style=\"color: #3366ff;\">mean<\/span> (x) * <span style=\"color: #008000;\">100\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Contoh 1: Koefisien variasi untuk satu jaringan<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung CV untuk satu tabel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create vector of data\n<\/span>data = [88, 85, 82, 97, 67, 77, 74, 86, 81, 95, 77, 88, 85, 76, 81, 82]\n\n<span style=\"color: #008080;\">#define function to calculate cv<\/span>\ncv = <span style=\"color: #008000;\">lambda<\/span> x: np. <span style=\"color: #3366ff;\">std<\/span> (x, ddof= <span style=\"color: #008000;\">1<\/span> ) \/ np. <span style=\"color: #3366ff;\">mean<\/span> (x) * <span style=\"color: #008000;\">100 \n<\/span>\n<span style=\"color: #008080;\">#calculate CV\n<\/span>cv(data)\n\n9.234518\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Koefisien variasinya ternyata <strong>9,23<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Contoh 2: Koefisien variasi untuk beberapa vektor<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung CV beberapa kolom di pandas DataFrame:<\/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> numpy <span style=\"color: #008000;\">as<\/span> np<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#define function to calculate cv<\/span>\ncv = <span style=\"color: #008000;\">lambda<\/span> x: np. <span style=\"color: #3366ff;\">std<\/span> (x, ddof= <span style=\"color: #008000;\">1<\/span> ) \/ np. <span style=\"color: #3366ff;\">mean<\/span> (x) * <span style=\"color: #008000;\">100<\/span><\/span>\n\n#create pandas DataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({'a': [88, 85, 82, 97, 67, 77, 74, 86, 81, 95],\n                   'b': [77, 88, 85, 76, 81, 82, 88, 91, 92, 99],\n                   'c': [67, 68, 68, 74, 74, 76, 76, 77, 78, 84]})\n\n<span style=\"color: #008080;\">#calculate CV for each column in data frame\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">apply<\/span> (cv)\n\na 11.012892\nb8.330843\nc7.154009\ndtype:float64<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Perhatikan bahwa nilai yang hilang akan diabaikan begitu saja saat menghitung koefisien variasi:<\/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> numpy <span style=\"color: #008000;\">as<\/span> np<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n#define function to calculate cv\ncv = <span style=\"color: #008000;\">lambda<\/span> x: np. <span style=\"color: #3366ff;\">std<\/span> (x, ddof= <span style=\"color: #008000;\">1<\/span> ) \/ np. <span style=\"color: #3366ff;\">mean<\/span> (x) * <span style=\"color: #008000;\">100<\/span><\/span>\n\n#create pandas DataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({'a': [88, 85, 82, 97, 67, 77, 74, 86, 81, 95],\n                   'b': [77, 88, 85, 76, 81, 82, 88, 91, np. <span style=\"color: #3366ff;\">no<\/span> , 99],\n                   'c': [67, 68, 68, 74, 74, 76, 76, 77, 78, np. <span style=\"color: #3366ff;\">no<\/span> ]})\n\n<span style=\"color: #008080;\">#calculate CV for each column in data frame\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">apply<\/span> (cv)\n\na 11.012892\nb 8.497612\nc5.860924\ndtype:float64<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/koefisien-variasi-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung koefisien variasi R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/koefisien-variasi-unggul\/\" target=\"_blank\" rel=\"noopener\">Cara Menghitung Koefisien Variasi di Excel<\/a><br \/><a href=\"https:\/\/statorials.org\/id\/koefisien-variasi-lembar-google\/\" target=\"_blank\" rel=\"noopener\">Cara Menghitung Koefisien Variasi di Google Sheets<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Koefisien variasi , sering disingkat CV , adalah cara mengukur penyebaran nilai dalam kumpulan data relatif terhadap mean. Ini dihitung sebagai berikut: CV = \u03c3 \/ \u03bc Emas: \u03c3 : deviasi standar kumpulan data \u03bc: rata-rata kumpulan data Sederhananya, koefisien variasi hanyalah rasio deviasi standar terhadap mean. Kapan menggunakan koefisien variasi Koefisien variasi sering digunakan [&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 Menghitung Koefisien Variasi dengan Python - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa 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\/koefisien-variasi-dalam-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Menghitung Koefisien Variasi dengan Python - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T21:20:58+00:00\" \/>\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\/koefisien-variasi-dalam-python\/\",\"url\":\"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/\",\"name\":\"Cara Menghitung Koefisien Variasi dengan Python - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-26T21:20:58+00:00\",\"dateModified\":\"2023-07-26T21:20:58+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung koefisien variasi 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 Menghitung Koefisien Variasi dengan Python - Statologi","description":"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa 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\/koefisien-variasi-dalam-python\/","og_locale":"id_ID","og_type":"article","og_title":"Cara Menghitung Koefisien Variasi dengan Python - Statologi","og_description":"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa contoh.","og_url":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/","og_site_name":"Statorials","article_published_time":"2023-07-26T21:20:58+00:00","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\/koefisien-variasi-dalam-python\/","url":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/","name":"Cara Menghitung Koefisien Variasi dengan Python - Statologi","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-26T21:20:58+00:00","dateModified":"2023-07-26T21:20:58+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Tutorial ini menjelaskan cara menghitung koefisien variasi dengan Python, dengan beberapa contoh.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/koefisien-variasi-dalam-python\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara menghitung koefisien variasi 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\/1322"}],"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=1322"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/1322\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=1322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=1322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=1322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}