{"id":4523,"date":"2023-07-10T10:06:26","date_gmt":"2023-07-10T10:06:26","guid":{"rendered":"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/"},"modified":"2023-07-10T10:06:26","modified_gmt":"2023-07-10T10:06:26","slug":"juru-masak-jarak-jauh-di-airlock","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/","title":{"rendered":"Cara menghitung jarak masak di sas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Jarak Cook<\/strong> digunakan untuk mengidentifikasi <a href=\"https:\/\/statorials.org\/id\/pengamatan-dalam-statistik\/\" target=\"_blank\" rel=\"noopener\">observasi<\/a> yang berpengaruh dalam model regresi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rumus jarak Cook adalah:<\/span><\/p>\n<p style=\"text-align: left;\"> <span style=\"color: #000000;\"><strong>d <sub>i<\/sub><\/strong> = (r <sub>i<\/sub> <sup>2<\/sup> \/ p*MSE) * (h <sub>ii<\/sub> \/ (1-h <sub>ii<\/sub> ) <sup>2<\/sup> )<\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>r<\/strong> <sub><strong>i<\/strong><\/sub> adalah residu <sup>ke<\/sup> -i<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>p<\/strong> adalah jumlah koefisien dalam model regresi<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>MSE<\/strong> adalah kesalahan kuadrat rata-rata<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>h<\/strong> <sub>ii<\/sub> adalah nilai leverage <sup>ke-i<\/sup><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Pada dasarnya, jarak Cook mengukur seberapa besar semua nilai model yang dipasang berubah ketika pengamatan <sup>ke<\/sup> -i dihilangkan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Semakin besar nilai jarak Cook maka semakin berpengaruh pula observasi yang diberikan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Secara umum, setiap observasi dengan jarak Cook lebih besar dari 4\/n (di mana <em>n<\/em> = total observasi) dianggap mempunyai pengaruh yang besar.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menghitung jarak Cook untuk setiap observasi dalam model regresi di SAS.<\/span><\/p>\n<h2> <strong>Contoh: Menghitung jarak juru masak di SAS<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Anggaplah kita memiliki kumpulan data berikut di SAS:<\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> xy;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n8 41\n12 42\n12 39\n13 37\n14 35\n16 39\n17 45\n22 46\n24 39\n26 49\n29 55\n30 57\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35346 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cuisiniers1.png\" alt=\"\" width=\"120\" height=\"337\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan <strong>PROC REG<\/strong> untuk menyesuaikan <a href=\"https:\/\/statorials.org\/id\/regresi-linier-1\/\" target=\"_blank\" rel=\"noopener\">model regresi linier sederhana<\/a> dengan kumpulan data ini, kemudian menggunakan pernyataan <strong>OUTPUT<\/strong> dengan pernyataan <strong>COOKD<\/strong> untuk menghitung jarak Cook untuk setiap observasi dalam model regresi:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*fit simple linear regression model and calculate Cook's distance for each obs*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n    <span style=\"color: #3366ff;\">model<\/span> y=x;\n    <span style=\"color: #3366ff;\">output<\/span> out=cooksData <span style=\"color: #3366ff;\">cookd<\/span> =cookd;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*print Cook's distance values for each observation*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =cooksData;\n<\/span><\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Tabel hasil akhir menampilkan dataset asli beserta jarak Cook untuk setiap observasi:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35347 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cuisiniers2.png\" alt=\"\" width=\"191\" height=\"343\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Jarak Cook pada observasi pertama adalah <strong>0,36813<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jarak Cook pada observasi kedua adalah <strong>0,06075<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jarak Cook pada observasi ketiga adalah <strong>0,00052<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Prosedur <strong>PROC REG<\/strong> juga menghasilkan beberapa plot diagnostik pada outputnya dan plot jarak Cook dapat dilihat pada output berikut:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-35348\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cuisiniers3.png\" alt=\"Jarak masak di SAS\" width=\"592\" height=\"564\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Sumbu x menunjukkan jumlah observasi dan sumbu y menunjukkan jarak Cook untuk setiap observasi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa garis batas ditempatkan pada 4\/n (dalam hal ini n = 12, sehingga batasnya berada pada 0,33) dan kita dapat melihat bahwa tiga observasi dalam kumpulan data lebih besar dari garis ini.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Hal ini menunjukkan bahwa observasi ini dapat mempunyai pengaruh yang besar terhadap model regresi dan mungkin harus diperiksa lebih dekat sebelum menginterpretasikan hasil model.<\/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 SAS:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/sisa-grafis-airlock\/\" target=\"_blank\" rel=\"noopener\">Cara Membuat Plot Sisa di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/histogram-kunci-udara\/\" target=\"_blank\" rel=\"noopener\">Cara Membuat Histogram di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/awan-titik-airlock\/\" target=\"_blank\" rel=\"noopener\">Cara membuat point cloud di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/seperti-outlier\/\" target=\"_blank\" rel=\"noopener\">Cara mengidentifikasi outlier di SAS<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jarak Cook digunakan untuk mengidentifikasi observasi yang berpengaruh dalam model regresi. Rumus jarak Cook adalah: d i = (r i 2 \/ p*MSE) * (h ii \/ (1-h ii ) 2 ) Emas: r i adalah residu ke -i p adalah jumlah koefisien dalam model regresi MSE adalah kesalahan kuadrat rata-rata h ii adalah 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 menghitung jarak masak di SAS - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung jarak Cook untuk observasi dalam model regresi di SAS, dengan 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\/juru-masak-jarak-jauh-di-airlock\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menghitung jarak masak di SAS - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung jarak Cook untuk observasi dalam model regresi di SAS, dengan sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T10:06:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cuisiniers1.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\/juru-masak-jarak-jauh-di-airlock\/\",\"url\":\"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/\",\"name\":\"Cara menghitung jarak masak di SAS - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-10T10:06:26+00:00\",\"dateModified\":\"2023-07-10T10:06:26+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung jarak Cook untuk observasi dalam model regresi di SAS, dengan sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/juru-masak-jarak-jauh-di-airlock\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung jarak masak di sas\"}]},{\"@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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