{"id":3486,"date":"2020-06-11T08:34:38","date_gmt":"2020-06-11T07:34:38","guid":{"rendered":"https:\/\/bcoaching.online\/?p=3486"},"modified":"2020-07-02T08:58:56","modified_gmt":"2020-07-02T07:58:56","slug":"masinsko-ucenje-u-biznisu","status":"publish","type":"post","link":"https:\/\/bcoaching.online\/sr\/masinsko-ucenje-u-biznisu\/","title":{"rendered":"Ma\u0161insko u\u010denje u biznisu"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">&#8222;Oblast izu\u010davanja koje daje kompjuterima mogu\u0107nost u\u010denja bez eksplicitnog programiranja.&#8220; Tako je Artur Semjuel definisao ma\u0161insko u\u010denje krajem 1950-ih. Kao jedan od pionira u oblasti ve\u0161ta\u010dke inteligencije, prvi je popularizovao ovaj termin kao jedan od njenih podskupova. Sa druge strane, ma\u0161insko u\u010denje je skup tehnika koje se koriste u polju nauke o podacima, prilikom izvla\u010denja uvida.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tehni\u010dki gledano, ma\u0161insko u\u010denje uklju\u010duje definisanje matemati\u010dkog modela koji predstavlja problem koji \u017eelimo da analiziramo, kako bismo prona\u0161li pribli\u017eno re\u0161enje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U ve\u0107ini slu\u010dajeva modeli ma\u0161inskog u\u010denja temelje se na predvi\u0111anjima: istrenirani su na nekom (nadajmo se reprezentativnom) uzorku podataka, nau\u010deni su da daju izlaz (koji se koristi u svrhe dono\u0161enja odluka, na primer &#8211; kao odgovor na pitanje \u201eDa li \u0107e odre\u0111eni kupac \u201cchurnovati\u201d?), zasnovano na nekim ulaznim karakteristikama (na primer, niz atributa koji opisuju kupca, njegove preferencije i nivo aktivnosti). Ovo je takozvano nadgledano u\u010denje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Postoji i nenadgledano u\u010denje &#8211; gde izlaz nije unapred definisan, ve\u0107 je izvu\u010den kao uvid iz algoritma (na primer, u klasterisanju ne znamo koji su klasteri, pre pokretanja modela, ali sam model identifikuje grupe sli\u010dnih instanci, koje se nazivaju klasterima i vra\u0107a labele tih klastera kao izlaz).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pored ove dve grupe, postoje i druge varijacije na temu &#8211; poput polunadgledanog u\u010denja i \u201creinforcement\u201d u\u010denja, koje su hibridne i modifikovane verzije razvijene da bi se re\u0161avale druga\u010dije i kompleksnije vrste problema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izbor odgovaraju\u0107eg algoritma zavisi od nekoliko stvari: problema koji je definisan, podataka i njihove prirode, pretpostavki modela, zahtevane ra\u010dunarske snage i potrebnih resursa. Dosta sa tehnikalijama &#8211; \u0161ta ma\u0161insko u\u010denje zna\u010di dana\u0161njem biznisu?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dozvolite mi da predstavim primenu Ml-a na jednoj slici (laka digresija: sve zasluge idu mom dragom kolegi, gospodinu Milo\u0161u Milovanovi\u0107u, za kreiranje ove slike, \u0161to mi je dosta olak\u0161alo ovaj zadatak).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"624\" height=\"344\" src=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-6.png\" alt=\"\" class=\"wp-image-3480\" srcset=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-6.png 624w, https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-6-300x165.png 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ova slika je prikaz na\u0161e svakodnevice. Daje nam uvid u to kako najve\u0107i lideri u svetu ve\u0161ta\u0107ke inteligencije koriste ma\u0161insko u\u010denje. Probudite se, putujete na posao, jedete, planirate putovanje itd. &#8211; a da ne primetite kako svaku aplikaciju koju koristite pokre\u0107e jedan ili vi\u0161e algoritama ma\u0161inskog u\u010denja razvijenih u svrhe prilago\u0111avanja i personalizacije sadr\u017eaja koji gledate \/ koristite, kako bi unapredili va\u0161e iskustvo i zadovoljstvo datim servisima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na primer, Google integri\u0161e ML u sve svoje aplikacije, u svrhu obrade prirodnog govora (Google search, prepoznavanje govora i prevo\u0111enje jezika), obradu slike (Google Photos) i predvi\u0111anje prometa (Google Maps).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uber postavlja dinami\u010dke cene vo\u017enje na osnovu prometnih gu\u017evi i stope potra\u017enje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pornhub koristi ra\u010dunarsku viziju i preporuke za postavljanje pravih sadr\u017eaja za svoje posetioce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Netflix tako\u0111e koristi algoritme kolaborativnog filtriranja i sistema za preporuku, sa ciljem prilago\u0111avanja preporuka korisnicima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Facebook je jedan od najve\u0107ih lidera u istra\u017eivanju ve\u0161ta\u010dke inteligencije, koji integri\u0161e ML u sve svoje usluge, istovremeno opensource-uju\u0107i neke algoritme (poput Facebook Propheta, koji se koristi za predvi\u0111anje vremenskih serija).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sve vi\u0161e i vi\u0161e kompanija postaje svesno va\u017enosti i prednosti ML aplikacija u svom poslu. Aplikacije \u010desto uklju\u010duju: izvla\u010denje predvi\u0111anja budu\u0107nosti &#8211; klasifikacija, regresija i projekcije; i izvla\u010denje uvida koji obja\u0161njavaju osnovne obrasce, sli\u010dnosti i uzroke nekih doga\u0111aja koji su se dogodili. Imati ovo kao oru\u0111e u procesu dono\u0161enja odluka mo\u017ee biti zaista mo\u0107no sredstvo koje mo\u017ee uticati na percepciju celokupnog poslovanja i njegove budu\u0107nosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Me\u0111utim, ma\u0161insko u\u010denje se dosta oslanja na iskustvo. Potrebno je puno istorijskih podataka i puno opservacija &#8211; da bi se otkrili svi mogu\u0107i obrasci. Ma\u0161insko u\u010denje je samo toliko jako koliko je i snaga predvi\u0111anja podataka (ako skup podataka nije reprezentativan ili nema dovoljno opa\u017eanja, model \u0107e najverovatnije gre\u0161iti).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve\u0107 smo spomenuli da je ma\u0161insko u\u010denje podskup jedne mnogo \u0161ire discipline &#8211; ve\u0161ta\u010dke inteligencije. Ve\u0161ta\u010dka inteligencija je grana ra\u010dunarske nauke koja se bavi algoritmima (ma\u0161inskog u\u010denja) inspirisanim razli\u010ditim aspektima prirodne inteligencije. To je sistem u stanju da potpuno autonomno obavlja zadatke koji obi\u010dno zahtevaju ljudsku inteligenciju, poput vizuelne percepcije, prepoznavanja govora, re\u0161avanja problema, prevo\u0111enja jezika, itd. Pored toga \u0161to je samostalan, sposoban je da donosi odluke i defini\u0161e akcije u dinami\u010dnim okru\u017eenjima, gde se uslovi i ograni\u010denja menjaju (\u0161to nije slu\u010daj sa tradicionalnim ma\u0161inskim u\u010denjem, koje se sna\u017eno oslanjajuc na iskustvo i ve\u0107 vi\u0111ene obrasce). Slede\u0107a slika predstavlja nivo inteligencije koju smo do sada dostigli na tzv. ve\u0161ta\u010dki na\u010din.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"624\" height=\"328\" src=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-7.png\" alt=\"\" class=\"wp-image-3482\" srcset=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-7.png 624w, https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/image-7-300x158.png 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Me\u0111utim, koliko god mi o tome danas govorili, izuzetno smo daleko od ve\u0161ta\u010dke inteligencije u svom najboljem obli\u010dju. Stoga se u ve\u0107ini slu\u010dajeva, kada kompanije govore o ve\u0161ta\u010dkoj inteligenciji, obi\u010dno radi o primeni ma\u0161inskog u\u010denja i prelasku na dono\u0161enje odluka zasnovanim na podacima (\u0161to podrazumeva Data Science).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u017delela bih da zaklju\u010dim ovaj post jednim citatom \u010diji je autor jedan od najve\u0107ih biznismena na svetu &#8211; Rej Dalio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8222;Ako budu\u0107nost mo\u017ee biti druga\u010dija od pro\u0161losti i nemate duboko razumevanje, ne bi trebalo da se oslanjate na ve\u0161ta\u010dku inteligenciju.&#8220;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ma\u0161insko u\u010denje mo\u017ee biti mo\u0107no oru\u0111e, ali samo kad se mudro i duboko promisli o njegovoj primeni. Svesnost o ovome mo\u017ee biti zna\u010dajna razlika izme\u0111u uspeha i neuspeha integrisanja ma\u0161inskog u\u010denja u biznisu.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>&#8222;Oblast izu\u010davanja koje daje kompjuterima mogu\u0107nost u\u010denja bez eksplicitnog programiranja.&#8220; Tako je Artur Semjuel definisao ma\u0161insko u\u010denje krajem 1950-ih. Kao jedan od pionira u oblasti ve\u0161ta\u010dke inteligencije, prvi je popularizovao ovaj termin kao jedan od <a class=\"mh-excerpt-more\" href=\"https:\/\/bcoaching.online\/sr\/masinsko-ucenje-u-biznisu\/\" title=\"Ma\u0161insko u\u010denje u biznisu\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":141,"featured_media":3484,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55,28,60],"tags":[],"class_list":["post-3486","post","type-post","status-publish","format-standard","has-post-thumbnail","category-data-science-sr","category-online-izdanje","category-primenjeni-biznis"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ma\u0161insko u\u010denje u biznisu - BCoaching<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bcoaching.online\/sr\/masinsko-ucenje-u-biznisu\/\" \/>\n<meta property=\"og:locale\" content=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ma\u0161insko u\u010denje u biznisu - BCoaching\" \/>\n<meta property=\"og:description\" content=\"&#8222;Oblast izu\u010davanja koje daje kompjuterima mogu\u0107nost u\u010denja bez eksplicitnog programiranja.&#8220; Tako je Artur Semjuel definisao ma\u0161insko u\u010denje krajem 1950-ih. Kao jedan od pionira u oblasti ve\u0161ta\u010dke inteligencije, prvi je popularizovao ovaj termin kao jedan od [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bcoaching.online\/sr\/masinsko-ucenje-u-biznisu\/\" \/>\n<meta property=\"og:site_name\" content=\"BCoaching\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Business-coaching-magazine-228105918088032\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-11T07:34:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-02T07:58:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/06\/kevin-ku-w7ZyuGYNpRQ-unsplash.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"767\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Valentina \u0110or\u0111evi\u0107\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u043e\u0434\" \/>\n\t<meta name=\"twitter:data1\" content=\"Valentina \u0110or\u0111evi\u0107\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u043e\u0446\u0435\u045a\u0435\u043d\u043e \u0432\u0440\u0435\u043c\u0435 \u0447\u0438\u0442\u0430\u045a\u0430\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u043c\u0438\u043d\u0443\u0442\u0430\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/\"},\"author\":{\"name\":\"Valentina \u0110or\u0111evi\u0107\",\"@id\":\"https:\\\/\\\/bcoaching.online\\\/#\\\/schema\\\/person\\\/1afbbb094745d3e9df21454177bf00d2\"},\"headline\":\"Ma\u0161insko u\u010denje u biznisu\",\"datePublished\":\"2020-06-11T07:34:38+00:00\",\"dateModified\":\"2020-07-02T07:58:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/\"},\"wordCount\":960,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/bcoaching.online\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/bcoaching.online\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/kevin-ku-w7ZyuGYNpRQ-unsplash.jpg\",\"articleSection\":[\"Data science\",\"Online izdanje\",\"Primenjeni biznis\"],\"inLanguage\":\"sr-RS\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/\",\"url\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/masinsko-ucenje-u-biznisu\\\/\",\"name\":\"Ma\u0161insko u\u010denje u biznisu - 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