{"id":3262,"date":"2020-04-15T09:05:58","date_gmt":"2020-04-15T08:05:58","guid":{"rendered":"https:\/\/bcoaching.online\/?p=3262"},"modified":"2020-05-11T09:34:23","modified_gmt":"2020-05-11T08:34:23","slug":"data-science-co","status":"publish","type":"post","link":"https:\/\/bcoaching.online\/sr\/data-science-co\/","title":{"rendered":"Data Science &#038; co."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Osim ako niste poslednjih deset godina proveli zarobljeni u nekoj dubokoj pe\u0107ini okru\u017eenim ni\u010dim drugim do samo mrakom &#8211; vrlo verovatno ste \u010duli za Data Science. Mo\u017eda ste \u010dak i poku\u0161ali da oklonite misteriju o tome \u0161ta je zapravo Data Science, i na tom putu otkrili skoro sve &#8211; i ni\u0161ta zapravo. Za\u0161to je tako te\u0161ko prona\u0107i jedinstveni odgovor na sva pitanja? To je ono \u0161to \u0107emo poku\u0161ati da vam demistifikujemo u seriji tekstova na temu Data Science-a koji slede.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Data Science, ili kako je najces\u0107e prevodjeno &#8211; nauka o podacima, je jedna \u0161iroka oblast koja se bavi prou\u010davanjem fenomena u nekom domenu, posmatraju\u0107i njihovo pojavljivanje i pona\u0161anje. Pojava, odnosno pona\u0161anje ovih fenomena se najbolje opisuje podacima, tako da bih ja za Data Science koristila prikladniji prevod &#8211; nauka kroz podatke. Budu\u0107i da je nauka, poseduje osnovne elemente nau\u010dno-metodolo\u0161kog principa, kao \u0161to su definisanje hipoteza, njihovo testiranje vr\u0161enjem eksperimenata, odbacivanje i formulisanje novih hipoteza, a sve u cilju \u0161irenja postoje\u0107eg, odnosno stvaranja novog&nbsp; znanja. Pored ovoga, jako je bitno razumeti da ova nauka ukljucuje razli\u010dite faze, od prikupljanja podataka, njihovog usagla\u0161avanja i skladi\u0161tenja, do same obrade, koja uklju\u010duje eksploraciju i modelovanje, koji treba da opi\u0161u neke \u0161ablone u pona\u0161anju, i na osnovu toga generi\u0161u budu\u0107e paterne. Ovakav pristup omogu\u0107uje ne samo analizu pro\u0161losti, ve\u0107 i sagledavanje budu\u0107nosti, sto je klju\u010dno za bilo koje poslovanje, kao i definisanje strate\u0161kih odluka. Upravo zbog toga \u0161to nam daje odgovore na pitanja \u0161ta, gde, kada, za\u0161to, i kako &#8211; nauka kroz podatke je postala srebrni metak za svakog menadzera kome je cilj unapre\u0111ivanje poslovanja.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/04\/image-16.png\" alt=\"\" class=\"wp-image-3267\" srcset=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/04\/image-16.png 1000w, https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/04\/image-16-300x200.png 300w, https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/04\/image-16-768x511.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">Evolucija Data Science-a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Napredak Data Science-a je uglavnom uslovljen napretkom softverskog in\u017eenjerstva i informacionih tehnologija. Danas imamo dovoljno procesorske mo\u0107i i memorijskih kapaciteta za izvr\u0161avanje zahtevnih ra\u010dunskih operacija u nekom prihvatljivom vremenskom opsegu. To zna\u010di da analiza poslovanja sada vi\u0161e nije ograni\u010dena na ru\u010dni rad i \u010dovekovu sposobnost da danono\u0107no pretura po debelim registrima papira koji prikazuju neke brojke i \u010duvaju odgovore na pitanja. Danas ma\u0161ine mogu da nam daju odgovore u minutima, ili \u010dak sekundama.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kompjuterska efikasnost omogu\u0107uje upotrebu sofisticiranijih metoda analize, kao \u0161to je primena algoritama ma\u0161inskog u\u010denja. Algoritmi ma\u0161inskog u\u010denja imaju sposobnost da utvrde \u0161ablone koji se kriju me\u0111u podacima koji opisuju neko pona\u0161anje, i da vrate predikcije tog pona\u0161anja u budu\u0107nosti. U konkurentskom svetu kakav je danas, pravovremene odluke su preduslov za one koji \u017eele da ostanu u igri i napreduju, dok mogu\u0107nost dobijanja projekcija budu\u0107nosti osigurava da uvek budemo jedan korak ispred konkurencije, ali i ispred klijenta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U svetu analitike, postoje tri osnovna tipa analize &#8211; deskriptivna, prediktivna i preskriptivna analiza. U tradicionalnim sistemima, analitika je uglavnom svedena na izve\u0161tavanje i deskriptivnu analizu. Deskriptivna analiza je dobra za obja\u0161njavanje pro\u0161losti i ocenu rezultata donetih odluka. Ali ne daje odgovore na to \u0161ta \u0107e se desiti. Tu dolazi na red prediktivna analiza. U prediktivnoj analizi, izvla\u010de se projekcije budu\u0107nosti, koje poma\u017eu u definisanju narednih akcija i dono\u0161enju nekih odluka. Preskriptivna analiza je jo\u0161 jedan korak dalje &#8211; izvla\u010denje projekcija budu\u0107nosti, uzimaju\u0107i u obzir razli\u010dite \u201c\u0161ta-ako\u201d scenarije, u posebnim kontekstima definisanim datim uslovima i ograni\u010denjima. I to je ono \u0161to je sr\u017e Data Science-a &#8211; upotreba prediktivne i preskriptivne analize, koje su naj\u010de\u0161\u0107e jednim imenom nazivane napredna analitika.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jo\u0161 jedan veliki napredak napredne analitike je upotreba \u201cdata-lake\u201d arhitekture umesto tzv.silosa, gde su se podaci svakog odseka \u010duvali u odvojenim skladi\u0161tima koja nisu me\u0111usubno komunicirala. Upotreba \u201cdata-lake\u201d arhitekture omogu\u0107uje skladi\u0161tenje svih podataka na jednom mestu, putem \u010dega kompanije mogu da koriste podatke iz razli\u010ditih odseka kako bi imali celokupnu sliku poslovanja, iz svih uglova. Me\u0111utim, posedovanje tzv. \u201cbig data\u201d skupova ne osigurava mo\u0107 i dominaciju, ali mo\u017ee biti jako korisno kako bi se analiziralo poslovanje u razli\u010ditim kontekstima, i kako bi se ukr\u0161tavanjem tih informacija utvrdila njihova me\u0111uzavisnost, kao i na koji na\u010din zastoji i problemi u jednom odseku poslovanja mogu da uti\u010du na slabe performanse drugih odseka, itd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Budite u toku, jer \u0107emo u seriji tekstova koja sledi zagrebati malo dublje u oblast Data Science-a, kao i ma\u0161inskog u\u010denja i ve\u0161ta\u010dke inteligencije.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Osim ako niste poslednjih deset godina proveli zarobljeni u nekoj dubokoj pe\u0107ini okru\u017eenim ni\u010dim drugim do samo mrakom &#8211; vrlo verovatno ste \u010duli za Data Science. Mo\u017eda ste \u010dak i poku\u0161ali da oklonite misteriju o <a class=\"mh-excerpt-more\" href=\"https:\/\/bcoaching.online\/sr\/data-science-co\/\" title=\"Data Science &#038; co.\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":141,"featured_media":3272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55,28,60],"tags":[],"class_list":["post-3262","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>Data Science &amp; co. - 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\/data-science-co\/\" \/>\n<meta property=\"og:locale\" content=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Data Science &amp; co. - BCoaching\" \/>\n<meta property=\"og:description\" content=\"Osim ako niste poslednjih deset godina proveli zarobljeni u nekoj dubokoj pe\u0107ini okru\u017eenim ni\u010dim drugim do samo mrakom &#8211; vrlo verovatno ste \u010duli za Data Science. Mo\u017eda ste \u010dak i poku\u0161ali da oklonite misteriju o [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bcoaching.online\/sr\/data-science-co\/\" \/>\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=\"2020-04-15T08:05:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-11T08:34:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bcoaching.online\/wp-content\/uploads\/2020\/04\/A1_Ob-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"468\" \/>\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=\"4 \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\\\/data-science-co\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bcoaching.online\\\/sr\\\/data-science-co\\\/\"},\"author\":{\"name\":\"Valentina \u0110or\u0111evi\u0107\",\"@id\":\"https:\\\/\\\/bcoaching.online\\\/#\\\/schema\\\/person\\\/1afbbb094745d3e9df21454177bf00d2\"},\"headline\":\"Data Science &#038; 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