{"id":1937,"date":"2023-07-24T09:32:53","date_gmt":"2023-07-24T09:32:53","guid":{"rendered":"https:\/\/statorials.org\/id\/rata-rata-geometris-python\/"},"modified":"2023-07-24T09:32:53","modified_gmt":"2023-07-24T09:32:53","slug":"rata-rata-geometris-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/rata-rata-geometris-python\/","title":{"rendered":"Cara menghitung rata-rata geometris dengan python (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Ada dua cara untuk menghitung mean geometrik dengan Python:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Hitung Rata-Rata Geometris Menggunakan SciPy<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">from<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">import<\/span> gmean\n\n<span style=\"color: #008080;\">#calculate geometric mean\n<\/span>gmean([value1, value2, value3, ...])\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Hitung Rata-rata Geometris Menggunakan NumPy<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#define custom function\n<\/span><span style=\"color: #008000;\">def<\/span> g_mean(x):\n    a = np. <span style=\"color: #3366ff;\">log<\/span> (x)\n    <span style=\"color: #008000;\">return<\/span> np. <span style=\"color: #3366ff;\">exp<\/span> ( <span style=\"color: #3366ff;\">a.mean<\/span> ())\n\n<span style=\"color: #008080;\">#calculate geometric mean<\/span>\ng_mean([value1, value2, value3, ...])<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kedua metode akan memberikan hasil yang persis sama.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan masing-masing metode ini dalam praktik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Hitung Rata-Rata Geometris Menggunakan SciPy<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan fungsi <strong>gmean()<\/strong> perpustakaan <a href=\"https:\/\/www.scipy.org\/\" target=\"_blank\" rel=\"noopener\">SciPy<\/a> untuk menghitung rata-rata geometrik array nilai:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">from<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">import<\/span> gmean\n\n<span style=\"color: #008080;\">#calculate geometric mean\n<\/span>gmean([1, 4, 7, 6, 6, 4, 8, 9])\n\n4.81788719702029\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Rata-rata geometriknya adalah <strong>4,8179<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Hitung Rata-rata Geometris Menggunakan NumPy<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menulis fungsi kustom untuk menghitung rata-rata geometrik menggunakan fungsi bawaan perpustakaan <a href=\"https:\/\/numpy.org\/\" target=\"_blank\" rel=\"noopener\">NumPy<\/a> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#define custom function\n<\/span><span style=\"color: #008000;\">def<\/span> g_mean(x):\n    a = np. <span style=\"color: #3366ff;\">log<\/span> (x)\n<span style=\"color: #008000;\">return<\/span> np. <span style=\"color: #3366ff;\">exp<\/span> ( <span style=\"color: #3366ff;\">a.mean<\/span> ())\n\n<span style=\"color: #008080;\">#calculate geometric mean\n<\/span>g_mean([1, 4, 7, 6, 6, 4, 8, 9])\n\n4.81788719702029<\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Rata-rata geometriknya adalah <strong>4,8179<\/strong> , yang cocok dengan hasil dari contoh sebelumnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara menangani angka nol<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kedua metode akan mengembalikan angka nol jika ada angka nol di array yang Anda kerjakan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jadi, Anda dapat menggunakan potongan kode berikut untuk menghilangkan angka nol dari array sebelum menghitung rata-rata geometrik:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create array with some zeros\n<\/span>x = [1, 0, 0, 6, 6, 0, 8, 9]\n\n<span style=\"color: #008080;\">#remove zeros from array \n<\/span>x_new = [i <span style=\"color: #008000;\">for<\/span> i <span style=\"color: #008000;\">in<\/span> x <span style=\"color: #008000;\">if<\/span> i != 0]\n\n<span style=\"color: #008080;\">#view updated array\n<\/span><span style=\"color: #993300;\">print<\/span> (x_new)\n\n[1, 6, 6, 8, 9]\n<\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/berarti-python-kesalahan-persegi\/\" target=\"_blank\" rel=\"noopener\">Cara Menghitung Mean Square Error (MSE) dengan Python<\/a><br \/><a href=\"https:\/\/statorials.org\/id\/berarti-kesalahan-mutlak-python\/\" target=\"_blank\" rel=\"noopener\">Cara Menghitung Rata-Rata Kesalahan Absolut dengan Python<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ada dua cara untuk menghitung mean geometrik dengan Python: Metode 1: Hitung Rata-Rata Geometris Menggunakan SciPy from scipy. stats import gmean #calculate geometric mean gmean([value1, value2, value3, &#8230;]) Metode 2: Hitung Rata-rata Geometris Menggunakan NumPy import numpy as np #define custom function def g_mean(x): a = np. log (x) return np. exp ( a.mean ()) [&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 Rata-Rata Geometris dengan Python (dengan Contoh) - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung rata-rata geometrik suatu array 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\/rata-rata-geometris-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" 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