{"id":2422,"date":"2023-07-22T08:31:15","date_gmt":"2023-07-22T08:31:15","guid":{"rendered":"https:\/\/statorials.org\/id\/interpolasi-linier-python\/"},"modified":"2023-07-22T08:31:15","modified_gmt":"2023-07-22T08:31:15","slug":"interpolasi-linier-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/interpolasi-linier-python\/","title":{"rendered":"Cara melakukan interpolasi linier dengan python (dengan contoh)"},"content":{"rendered":"

<\/p>\n

\n

Interpolasi linier<\/strong> adalah proses memperkirakan nilai fungsi yang tidak diketahui antara dua nilai yang diketahui.<\/span><\/p>\n

Diberikan dua nilai yang diketahui (x 1<\/sub> , y 1<\/sub> ) dan (x 2<\/sub> , y 2<\/sub> ), kita dapat memperkirakan nilai y untuk suatu titik x menggunakan rumus berikut:<\/span><\/p>\n

kamu = kamu 1<\/sub> + (xx 1<\/sub> )(kamu 2<\/sub> -kamu 1<\/sub> )\/(x 2<\/sub> -x 1<\/sub> )<\/span><\/p>\n

Kita dapat menggunakan sintaks dasar berikut untuk melakukan interpolasi linier dengan Python:<\/span><\/p>\n

 import<\/span> scipy. interpolate\n<\/span>\ny_interp = scipy. interpolate<\/span> . interp1d<\/span> (x,y)\n\n#find y-value associated with x-value of 13\n<\/span>print<\/span> (y_interp( 13<\/span> ))\n<\/strong><\/pre>\n
 Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya.<\/span><\/p>\n
 Contoh: interpolasi linier dengan Python<\/strong><\/span><\/h3>\n
 Misalkan kita memiliki dua daftar nilai berikut dengan Python:<\/span><\/p>\n
 x = [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]\ny = [4, 7, 11, 16, 22, 29, 38, 49, 63, 80]\n<\/strong><\/pre>\n
 Kita dapat membuat plot x versus y dengan cepat:<\/span> <\/p>\n
 import<\/span> matplotlib. pyplot<\/span> as<\/span> plt\n\n#create plot of x vs. y\n<\/span>plt. plot<\/span> (x, y, ' -ob<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n
\"\"<\/p>\n
 Sekarang misalkan kita ingin mencari nilai y yang terkait dengan nilai x baru sebesar 13<\/strong> .<\/span><\/p>\n
 Kita dapat menggunakan kode berikut untuk melakukan ini:<\/span><\/p>\n
 import<\/span> scipy. interpolate<\/span>\ny_interp = scipy. interpolate<\/span> . interp1d<\/span> (x,y)\n\n#find y-value associated with x-value of 13<\/span>\nprint<\/span> (y_interp( 13<\/span> ))\n\n33.5<\/strong><\/span><\/pre>\n
 Estimasi nilai y ternyata 33,5<\/strong> .<\/span><\/p>\n
 Jika kita menambahkan titik (13, 33.5) ke plot kita, sepertinya fungsinya cukup cocok:<\/span> <\/p>\n
 import<\/span> matplotlib. pyplot<\/span> as<\/span> plt\n\n#create plot of x vs. y\n<\/span>plt. plot<\/span> (x, y, ' -ob<\/span> ')\n\n#add estimated y-value to plot<\/span>\nplt. plot<\/span> (13, 33.5, ' ro<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n
\"\"<\/p>\n
 Kita dapat menggunakan rumus yang tepat ini untuk melakukan interpolasi linier untuk setiap nilai x baru.<\/span><\/p>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Tutorial berikut menjelaskan cara memperbaiki kesalahan umum lainnya dengan Python:<\/span><\/p>\n
 Cara Memperbaiki KeyError di Pandas<\/a>
 Cara Memperbaiki: ValueError: Tidak dapat mengubah float NaN menjadi int<\/a>
 Cara Memperbaiki: ValueError: Operan tidak dapat disiarkan dengan bentuk<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Interpolasi linier adalah proses memperkirakan nilai fungsi yang tidak diketahui antara dua nilai yang diketahui. Diberikan dua nilai yang diketahui (x 1 , y 1 ) dan (x 2 , y 2 ), kita dapat memperkirakan nilai y untuk suatu titik x menggunakan rumus berikut: kamu = kamu 1 + (xx 1 )(kamu 2 -kamu […]<\/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":"\nCara Melakukan Interpolasi Linier dengan Python (dengan Contoh) - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara melakukan interpolasi linier dengan Python, 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\/interpolasi-linier-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Melakukan Interpolasi Linier dengan Python (dengan Contoh) - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara melakukan interpolasi linier dengan Python, dengan sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T08:31:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/interpo1.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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/\",\"url\":\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/\",\"name\":\"Cara Melakukan Interpolasi Linier dengan Python (dengan Contoh) - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-22T08:31:15+00:00\",\"dateModified\":\"2023-07-22T08:31:15+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara melakukan interpolasi linier dengan Python, dengan sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/interpolasi-linier-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara melakukan interpolasi linier dengan python (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. 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