{"id":6436,"date":"2024-11-16T21:08:43","date_gmt":"2024-11-16T14:08:43","guid":{"rendered":"https:\/\/istiarto.staff.ugm.ac.id\/?page_id=6436"},"modified":"2025-10-23T10:19:15","modified_gmt":"2025-10-23T03:19:15","slug":"regresi","status":"publish","type":"page","link":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/regresi\/","title":{"rendered":"Regresi"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7081\" src=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100405-1024x284.png\" alt=\"\" width=\"640\" height=\"178\" srcset=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100405-1024x284.png 1024w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100405-300x83.png 300w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100405-768x213.png 768w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100405.png 1408w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>reglin<\/strong> adalah aplikasi untuk melakukan <strong>regresi linear variabel ganda<\/strong> (<em>multi variable linear regression<\/em>).<br \/>\ny = a0 + a1 x1 + a2 x2 + a3 x3 + &#8230;<\/p>\n<p>Apabila menginginkan nilai a0 = 0, klik opsi a0 = 0. Persamaan regresi menjadi<br \/>\ny = a1 x1 + a2 x2 + a3 x3 + &#8230;<\/p>\n<h2>Regresi linear untuk persamaan nonlinear<\/h2>\n<p>Dalam eksperimen laboratorium, kadang diperoleh persamaan berbentuk<br \/>\nY = A0 X1^A1 X2^A2 X3^A3 &#8230;<\/p>\n<p>Misalnya, persamaan non-dimensional yang diperoleh dari analisis dimensi menggunakan teorema Buckingham pi. Nilai-nilai A0, A1, A2, A3, &#8230; dapat diperoleh dengan menggunakan regresi linear reglin. Prosedurnya adalah sebagai berikut.<\/p>\n<p>Logaritma suku di kiri dan kanan tanda kesamaan menghasilkan<br \/>\nlog Y = log A0 + A1 log X1 + A2 log X2 + A3 log X3 + &#8230;<\/p>\n<p>Persamaan di atas dapat dibaca sebagai persamaan<br \/>\ny = a0 + a1 x1 + a2 x2 + a3 x3 + &#8230;<\/p>\n<p>Dengan demikian, data asli (Y, X1, X2, X3, &#8230;) di-log-kan. Selanjutnya, reglin akan menghasilkan a0, a1, a2, dan a3. Nilai-nilai A0, A1, A2, A3, &#8230; diperoleh dari<\/p>\n<p>a0 = log A0 ==&gt; A0 = 10^a0<br \/>\na1 = A1 ==&gt; A1 = a1<br \/>\na2 = A2 ==&gt; A2 = a2<br \/>\na3 = A3 ==&gt; A3 = a3<\/p>\n<h2>File aplikasi reglin<\/h2>\n<p>Aplikasi reglin ditulis, di-compile, dan di-build di komputer yang memiliki sistem operasi Windows 11, 64-bit.<\/p>\n<p>Aplikasi <strong>reglin<\/strong> dapat diunduh dari tautan berikut<\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1aWpZQRIydHnJRt8tHVYClk7zSmteBI9t\/view?usp=sharing\">https:\/\/drive.google.com\/reglin.zip<\/a><br \/>\n<a href=\"https:\/\/simpan.ugm.ac.id\/s\/VhrLoA2bGu9xyqz\">https:\/\/simpan.ugm.ac.id\/reglin.zip<\/a><\/p>\n<h2>Contoh data<\/h2>\n<p>Format file data adalah MSExcel (.xlsx).<\/p>\n<ol>\n<li>Baris ke-1 (cell A1) judul data.<\/li>\n<li>Baris ke-2 s(cell A2, B2, C2, &#8230;) teks judul kolom, nama variabel.<\/li>\n<li>Baris ke-3 dst. (A3, B3, C3, &#8230;) angka data setiap variabel.\n<ul>\n<li>Angka di kolom terakhir, paling kanan, adalah data variabel <em>dependent<\/em>, variabel y.<\/li>\n<li>Angka di kolom-kolom pertama s.d. satu kolom sebelum kolom terakhir adalah data variabel bebas, variabel x1, x2, x3, dst.<\/li>\n<\/ul>\n<\/li>\n<li>Notasi desimal adalah titik, <strong>bukan koma<\/strong>.<\/li>\n<\/ol>\n<p><a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Contoh_2var.xlsx\">Contoh_2var.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Contoh_3var.xlsx\">Contoh_3var.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Contoh_4var.xlsx\">Contoh_4var.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Contoh_5var.xlsx\">Contoh_5var.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Contoh_6var.xlsx\">Contoh_6var.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Example_101.xlsx\">Example_101.xslx<\/a><br \/>\n<a href=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Example_102.xlsx\">Example_102.xslx<\/a><\/p>\n<h2>Contoh output<\/h2>\n<h3>Konstanta a0 tidak di-nol-kan.<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7082\" src=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100610-1024x284.png\" alt=\"\" width=\"640\" height=\"178\" srcset=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100610-1024x284.png 1024w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100610-300x83.png 300w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100610-768x213.png 768w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-100610.png 1408w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7083\" src=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101114-1024x657.png\" alt=\"\" width=\"640\" height=\"411\" srcset=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101114-1024x657.png 1024w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101114-300x192.png 300w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101114-768x493.png 768w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101114.png 1372w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h3>Konstanta a0 = 0<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7084\" src=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101408-1024x284.png\" alt=\"\" width=\"640\" height=\"178\" srcset=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101408-1024x284.png 1024w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101408-300x83.png 300w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101408-768x213.png 768w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101408.png 1408w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7085\" src=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101421-1024x657.png\" alt=\"\" width=\"640\" height=\"411\" srcset=\"https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101421-1024x657.png 1024w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101421-300x192.png 300w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101421-768x493.png 768w, https:\/\/istiarto.staff.ugm.ac.id\/files\/Screenshot-2025-10-23-101421.png 1372w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>reglin adalah aplikasi untuk melakukan regresi linear variabel ganda (multi variable linear regression). y = a0 + a1 x1 + a2 x2 + a3 x3 + &#8230; Apabila menginginkan nilai a0 = 0, klik opsi a0 = 0. Persamaan regresi &hellip; <a href=\"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/regresi\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":71,"featured_media":0,"parent":0,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6436","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/pages\/6436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/users\/71"}],"replies":[{"embeddable":true,"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/comments?post=6436"}],"version-history":[{"count":23,"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/pages\/6436\/revisions"}],"predecessor-version":[{"id":7089,"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/pages\/6436\/revisions\/7089"}],"wp:attachment":[{"href":"https:\/\/istiarto.staff.ugm.ac.id\/index.php\/wp-json\/wp\/v2\/media?parent=6436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}