{"id":1365,"date":"2023-07-26T16:51:03","date_gmt":"2023-07-26T16:51:03","guid":{"rendered":"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/"},"modified":"2023-07-26T16:51:03","modified_gmt":"2023-07-26T16:51:03","slug":"nilai-unik-panda-di-kolom","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/","title":{"rendered":"Pandas: cara menemukan nilai unik dalam kolom"},"content":{"rendered":"

<\/p>\n

\n

Cara termudah untuk mendapatkan daftar nilai unik di kolom Pandas DataFrame adalah dengan menggunakan fungsi unik()<\/a> .<\/span><\/p>\n

Tutorial ini memberikan beberapa contoh penggunaan fungsi ini dengan pandas DataFrame berikut:<\/span><\/p>\n

 import<\/span> pandas as<\/span> pd\n\n#createDataFrame<\/span>\ndf = pd. DataFrame<\/span> ({' team<\/span> ': ['A', 'A', 'A', 'B', 'B', 'C'],\n                   ' conference<\/span> ': ['East', 'East', 'East', 'West', 'West', 'East'],\n                   ' points<\/span> ': [11, 8, 10, 6, 6, 5]})\n\n#view DataFrame\n<\/span>df\n\n        team conference points\n0 A East 11\n1 A East 8\n2 A East 10\n3 B West 6\n4 B West 6\n5 C East 5<\/strong><\/pre>\n
 Temukan nilai unik dalam kolom<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menemukan nilai unik dalam satu kolom DataFrame:<\/span><\/p>\n
 df. team<\/span> . single<\/span> ()\n\narray(['A', 'B', 'C'], dtype=object)<\/strong><\/pre>\n
 Kita dapat melihat bahwa nilai unik pada kolom tim antara lain “A”, “B”, dan “C”.<\/span><\/p>\n
 Temukan nilai unik di semua kolom<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menemukan nilai unik di semua kolom DataFrame:<\/span><\/p>\n
 for<\/span> col in<\/span> df:\n  print<\/span> (df[col] .unique<\/span> ())\n\n['A' 'B' 'C']\n['East' 'West']\n[11 8 10 6 5]\n<\/strong><\/pre>\n
 Temukan dan urutkan nilai unik dalam kolom<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara mencari dan mengurutkan berdasarkan nilai unik dalam satu kolom DataFrame:<\/span><\/p>\n
 #find unique points values<\/span>\npoints = df. points<\/span> . single<\/span> ()\n\n#sort values smallest to largest<\/span>\npoints. sort<\/span> ()\n\n#display sorted values<\/span>\npoints\n\narray([ 5, 6, 8, 10, 11])\n<\/strong><\/pre>\n
 Temukan dan hitung nilai unik dalam kolom<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menemukan dan menghitung kemunculan nilai unik dalam satu kolom DataFrame:<\/span><\/p>\n
 df. team<\/span> . value_counts<\/span> ()\n\nAt 3\nB2\nC 1\nName: team, dtype: int64\n<\/strong><\/pre>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Cara memilih satu baris di Pandas DataFrame<\/a>
 Cara menemukan nilai unik di beberapa kolom di Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Cara termudah untuk mendapatkan daftar nilai unik di kolom Pandas DataFrame adalah dengan menggunakan fungsi unik() . Tutorial ini memberikan beberapa contoh penggunaan fungsi ini dengan pandas DataFrame berikut: import pandas as pd #createDataFrame df = pd. DataFrame ({‘ team ‘: [‘A’, ‘A’, ‘A’, ‘B’, ‘B’, ‘C’], ‘ conference ‘: [‘East’, ‘East’, ‘East’, ‘West’, ‘West’, […]<\/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":"\nPandas: Cara menemukan nilai unik dalam kolom \u2013 Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menemukan semua nilai unik dalam satu atau lebih kolom pandas DataFrame dengan Python.\" \/>\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\/nilai-unik-panda-di-kolom\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandas: Cara menemukan nilai unik dalam kolom \u2013 Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menemukan semua nilai unik dalam satu atau lebih kolom pandas DataFrame dengan Python.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T16:51:03+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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/\",\"url\":\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/\",\"name\":\"Pandas: Cara menemukan nilai unik dalam kolom \u2013 Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-26T16:51:03+00:00\",\"dateModified\":\"2023-07-26T16:51:03+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menemukan semua nilai unik dalam satu atau lebih kolom pandas DataFrame dengan Python.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/nilai-unik-panda-di-kolom\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandas: cara menemukan nilai unik dalam kolom\"}]},{\"@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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