{"id":2664,"date":"2023-07-21T06:40:15","date_gmt":"2023-07-21T06:40:15","guid":{"rendered":"https:\/\/statorials.org\/pl\/canberra-pyton-odleglosciowy\/"},"modified":"2023-07-21T06:40:15","modified_gmt":"2023-07-21T06:40:15","slug":"canberra-pyton-odleglosciowy","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/canberra-pyton-odleglosciowy\/","title":{"rendered":"Jak obliczy\u0107 odleg\u0142o\u015b\u0107 od canberry w pythonie (z przyk\u0142adem)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Odleg\u0142o\u015b\u0107 Canberry<\/strong> pomi\u0119dzy dwoma wektorami A i B oblicza si\u0119 w nast\u0119puj\u0105cy spos\u00f3b:<br \/><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Odleg\u0142o\u015b\u0107 od Canberry = \u03a3 |A <sub>i<\/sub> -B <sub>i<\/sub> | \/ (|A <sub>i<\/sub> | + |B <sub>i<\/sub> |)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>A <sub>i<\/sub><\/strong> : <sup>i-ta<\/sup> warto\u015b\u0107 wektora A<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>B <sub>i<\/sub><\/strong> : i- <sup>ta<\/sup> warto\u015b\u0107 wektora B<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy na przyk\u0142ad, \u017ce mamy nast\u0119puj\u0105ce dwa wektory:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">ZA = [2, 4, 4, 6]<\/span><\/li>\n<li> <span style=\"color: #000000;\">B = [5, 5, 7, 8]<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 Canberry pomi\u0119dzy A i B obliczyliby\u015bmy w nast\u0119puj\u0105cy spos\u00f3b:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 od Canberry = |2-5|\/(2+5) + |4-5|\/(4+5) + |4-7|\/(4+7) + |6-8|\/(6+8 ) )<\/span><\/li>\n<li> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 od Canberry = 3\/7 + 1\/9 + 3\/11 + 2\/14<\/span><\/li>\n<li> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 od Canberry = 0,95527<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 Canberry mi\u0119dzy tymi dwoma wektorami wynosi <strong>0,95527<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak obliczy\u0107 odleg\u0142o\u015b\u0107 Canberry mi\u0119dzy tymi dwoma dok\u0142adnymi wektorami w Pythonie.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Oblicz odleg\u0142o\u015b\u0107 od Canberry w Pythonie<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Najpierw utw\u00f3rzmy tablic\u0119 NumPy do przechowywania ka\u017cdego z naszych wektor\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#define two arrays\n<\/span>array1 = np. <span style=\"color: #3366ff;\">array<\/span> ([2, 4, 4, 6])\narray2 = np. <span style=\"color: #3366ff;\">array<\/span> ([5, 5, 7, 8])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nast\u0119pnie mo\u017cemy u\u017cy\u0107 funkcji <strong>canberra()<\/strong> z pakietu <strong>SciPy<\/strong> w Pythonie, aby obliczy\u0107 odleg\u0142o\u015b\u0107 Canberry mi\u0119dzy dwoma wektorami:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">from<\/span> scipy. <span style=\"color: #3366ff;\">spatial<\/span> <span style=\"color: #008000;\">import<\/span> distance\n\n<span style=\"color: #008080;\">#calculate Canberra distance between the arrays\n<\/span>distance. <span style=\"color: #3366ff;\">canberra<\/span> (array1, array2)\n\n0.9552669552\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Odleg\u0142o\u015b\u0107 Canberry mi\u0119dzy dwoma wektorami wynosi <strong>0,95527<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce ta warto\u015b\u0107 odpowiada warto\u015bci, kt\u00f3r\u0105 obliczyli\u015bmy wcze\u015bniej r\u0119cznie.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : Pe\u0142n\u0105 dokumentacj\u0119 funkcji <strong>canberra()<\/strong> z pakietu <strong>SciPy<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.spatial.distance.canberra.html\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak oblicza\u0107 inne popularne metryki odleg\u0142o\u015bci w Pythonie:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/pyton-odleg\u0142osci-euklidesowej\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 odleg\u0142o\u015b\u0107 euklidesow\u0105 w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/zdalny-pyton-na-manhattanie\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 odleg\u0142o\u015b\u0107 Manhattanu w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/odleg\u0142osc-hamminga-pythona\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 odleg\u0142o\u015b\u0107 Hamminga w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/zdalny-pyton-mahalanobisa\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 odleg\u0142o\u015b\u0107 Mahalanobisa w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/odleg\u0142osc-levenshteina-w-pythonie\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 odleg\u0142o\u015b\u0107 Levenshteina w Pythonie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Odleg\u0142o\u015b\u0107 Canberry pomi\u0119dzy dwoma wektorami A i B oblicza si\u0119 w nast\u0119puj\u0105cy spos\u00f3b: Odleg\u0142o\u015b\u0107 od Canberry = \u03a3 |A i -B i | \/ (|A i | + |B i |) Z\u0142oto: A i : i-ta warto\u015b\u0107 wektora A B i : i- ta warto\u015b\u0107 wektora B Za\u0142\u00f3\u017cmy na przyk\u0142ad, \u017ce mamy nast\u0119puj\u0105ce dwa wektory: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2664","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak obliczy\u0107 odleg\u0142o\u015b\u0107 od Canberry w Pythonie (z przyk\u0142adem) - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 odleg\u0142o\u015b\u0107 Canberry mi\u0119dzy dwoma wektorami w Pythonie, na 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