{"id":2106,"date":"2023-07-23T16:13:31","date_gmt":"2023-07-23T16:13:31","guid":{"rendered":"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/"},"modified":"2023-07-23T16:13:31","modified_gmt":"2023-07-23T16:13:31","slug":"probabilitas-bersyarat-dengan-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/","title":{"rendered":"Cara menghitung probabilitas bersyarat dengan python"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Probabilitas bersyarat<\/strong> terjadinya peristiwa <em>A<\/em> , jika peristiwa <em>B<\/em> telah terjadi, dihitung sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">P(A|B) = P(A\u2229B) \/ P(B)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<p> <span style=\"color: #000000;\">P(A\u2229B) = peluang terjadinya kejadian <em>A<\/em> dan kejadian <em>B.<\/em><\/span><\/p>\n<p> <span style=\"color: #000000;\">P(B) = peluang terjadinya kejadian B.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan rumus ini untuk menghitung probabilitas bersyarat dengan Python.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Hitung Probabilitas Bersyarat dengan Python<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Katakanlah kita mengirimkan survei kepada 300 orang yang menanyakan olahraga apa yang mereka sukai: baseball, bola basket, sepak bola, atau sepak bola.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat membuat tabel berikut dengan Python untuk menampung respons survei:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n<span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#create pandas DataFrame with raw data\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">gender<\/span> ': np. <span style=\"color: #3366ff;\">repeat<\/span> (np. <span style=\"color: #3366ff;\">array<\/span> (['Male', 'Female']), 150),\n                   ' <span style=\"color: #ff0000;\">sport<\/span> ': np. <span style=\"color: #3366ff;\">repeat<\/span> (np. <span style=\"color: #3366ff;\">array<\/span> (['Baseball', 'Basketball', 'Football',\n                                                'Soccer', 'Baseball', 'Basketball',\n                                                'Football', 'Soccer']), \n                                    (34, 40, 58, 18, 34, 52, 20, 44))})\n\n<span style=\"color: #008080;\">#produce contingency table to summarize raw data\n<\/span>survey_data = pd. <span style=\"color: #3366ff;\">crosstab<\/span> (index=df[' <span style=\"color: #ff0000;\">gender<\/span> '], columns=df[' <span style=\"color: #ff0000;\">sport<\/span> '], margins= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view contingency table\n<\/span>survey_data\n\nsport Baseball Basketball Football Soccer All\ngender\t\t\t\t\t\nFemale 34 52 20 44 150\nMale 34 40 58 18 150\nAll 68 92 78 62 300<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Terkait<\/strong> : <a href=\"https:\/\/statorials.org\/id\/tabel-kontingensi-python\/\" target=\"_blank\" rel=\"noopener\">Cara Menggunakan pd.crosstab() untuk Membuat Tabel Kontingensi dengan Python<\/a><\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk mengekstrak nilai dari array:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#extract value in second row and first column \n<\/span>survey_data. <span style=\"color: #3366ff;\">iloc<\/span> [1, 0]\n\n[1] 34\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk menghitung probabilitas bahwa seseorang adalah laki-laki, mengingat ia lebih memilih bisbol sebagai olahraga favoritnya:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#calculate probability of being male, given that individual prefers baseball<\/span>\nsurvey_data. <span style=\"color: #3366ff;\">iloc<\/span> [1, 0]\/survey_data. <span style=\"color: #3366ff;\">iloc<\/span> [2, 0]\n\n0.5\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dan kita dapat menggunakan sintaks berikut untuk menghitung probabilitas seseorang memilih bola basket sebagai olahraga favoritnya, mengingat dia adalah perempuan:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#calculate probability of preferring basketball, given that individual is female<\/span>\nsurvey_data. <span style=\"color: #3366ff;\">iloc<\/span> [0,1]\/survey_data. <span style=\"color: #3366ff;\">iloc<\/span> [0, 4]\n\n0.3466666666666667\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan pendekatan dasar ini untuk menghitung probabilitas bersyarat apa pun yang kita inginkan dari tabel kontingensi.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut memberikan informasi tambahan tentang manajemen probabilitas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/hukum-probabilitas-total\/\" target=\"_blank\" rel=\"noopener\">Hukum probabilitas total<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/rata-rata-distribusi-probabilitas\/\" target=\"_blank\" rel=\"noopener\">Bagaimana mencari mean dari distribusi probabilitas<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/deviasi-standar-dari-distribusi-probabilitas\/\" target=\"_blank\" rel=\"noopener\">Bagaimana mencari simpangan baku dari suatu distribusi probabilitas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Probabilitas bersyarat terjadinya peristiwa A , jika peristiwa B telah terjadi, dihitung sebagai berikut: P(A|B) = P(A\u2229B) \/ P(B) Emas: P(A\u2229B) = peluang terjadinya kejadian A dan kejadian B. P(B) = peluang terjadinya kejadian B. Contoh berikut menunjukkan cara menggunakan rumus ini untuk menghitung probabilitas bersyarat dengan Python. Contoh: Hitung Probabilitas Bersyarat dengan Python Katakanlah [&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 Probabilitas Bersyarat dengan Python - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung probabilitas bersyarat 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\/probabilitas-bersyarat-dengan-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Menghitung Probabilitas Bersyarat dengan Python - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung probabilitas bersyarat dengan Python, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T16:13:31+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\/probabilitas-bersyarat-dengan-python\/\",\"url\":\"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/\",\"name\":\"Cara Menghitung Probabilitas Bersyarat dengan Python - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-23T16:13:31+00:00\",\"dateModified\":\"2023-07-23T16:13:31+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung probabilitas bersyarat dengan Python, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/probabilitas-bersyarat-dengan-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung probabilitas bersyarat 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. 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