{"id":34073,"date":"2022-02-25T10:53:35","date_gmt":"2022-02-25T09:53:35","guid":{"rendered":"http:\/\/54.194.80.134.nip.io\/blog\/vodic-za-pocetnike-za-programski-jezik-r\/"},"modified":"2022-03-28T19:43:45","modified_gmt":"2022-03-28T17:43:45","slug":"vodic-za-pocetnike-za-programski-jezik-r","status":"publish","type":"post","link":"https:\/\/www.cubeserv.com\/hr\/vodic-za-pocetnike-za-programski-jezik-r\/","title":{"rendered":"Vodi\u010d za po\u010detnike za programski jezik R"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"34073\" class=\"elementor elementor-34073 elementor-32123\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e24521e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e24521e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-08352c4\" data-id=\"08352c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e253227 elementor-widget elementor-widget-text-editor\" data-id=\"e253227\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>R programski jezik jedan je od najpopularnijih jezika kada su u pitanju znanost o podacima i statisti\u010dka analiza. To je uglavnom zato \u0161to je R posebno napravljen za statisti\u010dke klju\u010dne brojke i analizu podataka. Dok je R razvijen ranih 90-ih, tek su se s usponom znanosti o podacima ljudi po\u010deli oslanjati na njega.<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7db9919 elementor-widget elementor-widget-text-editor\" data-id=\"7db9919\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tU dana\u0161njem \u010dlanku \u0107emo opse\u017eno pro\u0107i kroz programski jezik R. Saznat \u0107ete za\u0161to R jezik mo\u017ee biti neprocjenjivo bogatstvo za vas i nau\u010dit \u0107ete kako ga postaviti. Ne brinite ako nemate predznanja u programiranju \u2013 sve \u0107u vam objasniti od nule. Dakle, krenimo.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e923aa elementor-widget elementor-widget-text-editor\" data-id=\"4e923aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Za\u0161to biste trebali koristiti R?<\/h2>\r\nKad sam prvi put nau\u010dio R jezik, bio sam pod dojmom da je prikladan samo za statisti\u010dki rad. Me\u0111utim, kako sam napredovao dalje, moj se po\u010detni dojam o R-u pokazao pogre\u0161nim. R zapravo ima puno vi\u0161e od samog statisti\u010dkog rada. Pogledajmo neke od glavnih razloga za\u0161to vam kori\u0161tenje R mo\u017ee biti od velike koristi.\r\n\r\n1. Lako se prilago\u0111ava\r\nBa\u0161 kao i Python, R ima vrlo laku sintaksu. \u010cak i ako nemate pozadinu programiranja i \u017eelite koristiti R samo za vizualizaciju ili analizu, lako mo\u017eete nau\u010diti razumjeti R jezik i raditi s njim.\r\nDokumentacija je vrhunska i ne\u0107e pro\u0107i dugo dok ne po\u010dnete dobivati \u200b\u200bono \u0161to \u017eelite od jezika \u010dak i ako imate samo malo ili nimalo programskih vje\u0161tina. Tako\u0111er ga mo\u017eete koristiti za druge zadatke kao \u0161to je automatizacija, npr. RPA.\r\n\r\n2. Brza analiza\/vizualizacija podataka\r\nJedna od najboljih stvari kod R-a je ta \u0161to je u potpunosti prepun izvrsnih biblioteka. Zapravo, dostupno je vi\u0161e od 7800 paketa koji vam omogu\u0107uju trenutno obavljanje raznih ra\u010dunalnih i vizualizacijskih zadataka. Osim toga, dostupni su paketi za naprednu analitiku koji se rijetko nalaze u drugim programskim jezicima.\r\n\u0160tovi\u0161e, R ima veliku podr\u0161ku zajednice. Podatkovni znanstvenici i statisti\u010dari diljem svijeta bit \u0107e spremni pru\u017eiti podr\u0161ku u slu\u010daju da vam zatreba pomo\u0107. Postoje stotine dostupnih online foruma koji nude podr\u0161ku.\r\n\r\n3. Zgodna implementacija ML algoritama\r\nImplementacija algoritama strojnog u\u010denja vrlo je brza i u\u010dinkovita kada je u pitanju R. Ne\u0107ete se morati brinuti o svemu ispo\u010detka kao \u0161to biste morali u JAVA. Umjesto toga, stvari su ve\u0107 stvorene i optimizirane za vas na apstraktnoj razini.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0fe2400 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0fe2400\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-76d1a88\" data-id=\"76d1a88\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-282ec6a elementor-widget elementor-widget-text-editor\" data-id=\"282ec6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Osnovni elementi<\/h2>\r\nAko \u017eelite koristiti R jezik, bitno je razumjeti osnove. Stoga \u0107emo sada raspravljati o nekim od klju\u010dnih zna\u010dajki R.\r\n\r\nObjekti\r\nSve \u0161to vidite ili stvorite u R je u osnovi objekt. Nemojte se zbuniti s pojmom. Ne postoje posebni preduvjeti da se ne\u0161to deklarira kao objekt. \u0160to god da je, ako postoji u R, to je objekt. Nadalje, postoje neke klase ovih objekata koje su navedene u nastavku:\r\n<ul>\r\n \t<li>Cijeli broj<\/li>\r\n \t<li>Numeri\u010dki<\/li>\r\n \t<li>Lik<\/li>\r\n \t<li>Logi\u010dki (Boolean)<\/li>\r\n \t<li>Kompleks<\/li>\r\n<\/ul>\r\nOpet, ne brinite o terminu &#8216;klasa&#8217;; moglo bi zvu\u010dati malo zbunjuju\u0107e ako nemate programsku pozadinu. Mo\u017eete samo zamisliti klasu kao instancu objekta.\r\n\r\nNadalje, svaka klasa ima skup atributa; tako je u osnovi definirana klasa. Ba\u0161 kao \u0161to se ljudske zna\u010dajke kao \u0161to su ime, visina, veli\u010dine koriste za opisivanje ljudi. Evo atributa:\r\n<ul>\r\n \t<li>Imena<\/li>\r\n \t<li>Dimenzije<\/li>\r\n \t<li>Duljina<\/li>\r\n \t<li>Razred.<\/li>\r\n<\/ul>\r\n<h3>Vrste podataka<\/h3>\r\nOsim primitivnih tipova objekata koje smo vidjeli gore, u R-u su dostupni razli\u010diti tipovi podataka koji se koriste u obradi podataka. Pogledajmo neke od naj\u010de\u0161\u0107e kori\u0161tenih tipova podataka zajedno s njihovom upotrebom.\r\n\r\n<strong>1. Vektor<\/strong>\r\nVektor je u biti popis objekata istog tipa \u2014 na primjer, vektor znakova, cijelih brojeva i tako dalje. Mo\u017eete unijeti razli\u010dite vrste objekata u isti vektor, ali R zatim pretvara razli\u010dite tipove u istu klasu. Ovaj fenomen je poznat kao prisila.\r\n\r\n<strong>2. Popis<\/strong>\r\nAko vektor sadr\u017ei unose iste klase, mogli biste pitati, \u0161to se doga\u0111a ako \u017eelite uklju\u010diti unose razli\u010ditih klasa? Pa, popis mo\u017ee u\u010diniti upravo to. Popisi su u osnovi posebna vrsta vektora koji mo\u017ee sadr\u017eavati objekte razli\u010ditih klasa.\r\n\r\n<strong>3. Matrice<\/strong>\r\nMatrice su dvodimenzionalni tipovi podataka koji mogu sadr\u017eavati podatke u 2d. Matrice se formiraju kada uvedete retke i stupce u vektore. Imajte na umu da matrica tako\u0111er mo\u017ee uklju\u010divati \u200b\u200bpodatke koji pripadaju istoj klasi.\r\n\r\n<strong>4. Okvir podataka<\/strong>\r\nAko ste aspirant u znanosti o podacima, ovo \u0107e vjerojatno biti va\u0161a naj\u010de\u0161\u0107e kori\u0161tena vrsta podataka. Okviri podataka su tabli\u010dni oblik tipa podataka koji mo\u017ee pohraniti i pregledati podatke samo kao Excel prora\u010dunska tablica. Ali ako su okviri podataka tako\u0111er 2d, moglo bi se zapitati koja je razlika izme\u0111u matrice i okvira podataka? Pa, okviri podataka mogu sadr\u017eavati podatke koji pripadaju razli\u010ditim klasama.\r\n<h3>Neki korisni R paketi<\/h3>\r\nKao \u0161to je ve\u0107 spomenuto, postoji ogroman popis R paketa koji se mogu koristiti, ovisno o zahtjevima.\r\n\r\n\u010cesto radim sa:\r\n<ul>\r\n \t<li>ggplot2: paket za izradu jednostavnih grafova<\/li>\r\n \t<li>dplyr je paket koji se mo\u017ee koristiti za manipulaciju podacima<\/li>\r\n \t<li>tidyr poma\u017ee u stvaranju prilago\u0111enih podataka.<\/li>\r\n \t<li>shiny stvara web aplikaciju bez JavaScripta.<\/li>\r\n \t<li>quantmod: kvantitativni financijski modeli &#8211; financijski podaci se lako mogu preuzeti i analizirati online s Yahooa i Google Financea. Na primjer, s naredbama\r\n&gt; DAX &lt;- getSymbols(&#8220;^GDAXI&#8221;, auto.assign = FALSE) &gt; plot(DAX$GDAXI.Close)\r\nmo\u017eete pro\u010ditati sve cijene DAX-a od 2007. i nacrtati zaklju\u010dne cijene.<\/li>\r\n \t<li>bigmemory: Ako podaci ne stanu u glavnu memoriju.<\/li>\r\n \t<li>sqldf: SQL na podacima<\/li>\r\n \t<li>DBI: Baza podataka Interfa<\/li>\r\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ca46e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ca46e4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-046ae76\" data-id=\"046ae76\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dab8689 elementor-widget elementor-widget-text-editor\" data-id=\"dab8689\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Instalacija R \/ RStudia<\/h2>\r\nSamo prou\u010davanje teorije nikada nije dovoljno dobro. Kad god nau\u010dite ne\u0161to novo, va\u017eno je konsolidirati svoje vje\u0161tine kroz praksu. Stoga preporu\u010dam da sada preuzmete RStudio kako biste zapo\u010deli s R. Jednostavno slijedite dolje navedene korake i uskoro \u0107ete imati spreman IDE.\r\n<h3>1. Instalirajte R<\/h3>\r\nhttps:\/\/cran.r-project.org\/bin\/windows\/base\/\r\nSamo naprijed i preuzmite programski jezik R na svoj stroj.\r\n<h3>2. Preuzmite RStudio<\/h3>\r\nAko ste prije programirali, znate da samo preuzimanje jezika nije dovoljno, a tako\u0111er morate preuzeti i instalirati IDE za kodiranje na tom jeziku. Dakle, preuzmimo RStudio, IDE za programiranje u R.\r\nKliknite na link za otvaranje slu\u017ebene web stranice RStudia: https:\/\/www.rstudio.com\/products\/rstudio\/download\/#download\r\n\r\n<strong>Napomena:<\/strong> Ova je veza samo za korisnike sustava Windows. Ako koristite neki drugi OS kao \u0161to je Mac ili Linux, pomaknite se prema dolje da biste vidjeli dostupne veze za svoj OS.\r\n\r\nNakon \u0161to kliknete na gumb za preuzimanje, datoteka za postavljanje automatski \u0107e se po\u010deti preuzimati. Mo\u017eda \u0107ete morati pri\u010dekati nekoliko minuta da zavr\u0161ite postupak preuzimanja, ovisno o brzini va\u0161e internetske veze.\r\n<h3>3. Instaliranje RStudia<\/h3>\r\nNakon \u0161to preuzmete datoteku za postavljanje, otvorite je i \u010darobnjak za postavljanje otvorit \u0107e se u sljede\u0107em koraku.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-5caef04\" data-id=\"5caef04\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b81523 elementor-widget elementor-widget-spacer\" data-id=\"4b81523\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92f4622 elementor-widget elementor-widget-image\" data-id=\"92f4622\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"621\" height=\"482\" src=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio01.jpg\" class=\"attachment-large size-large wp-image-32169\" alt=\"\" srcset=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio01.jpg 621w, https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio01-300x233.jpg 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d15e8bf elementor-widget elementor-widget-spacer\" data-id=\"d15e8bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58667db elementor-widget elementor-widget-image\" data-id=\"58667db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"620\" height=\"484\" src=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio02.jpg\" class=\"attachment-large size-large wp-image-32172\" alt=\"\" srcset=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio02.jpg 620w, https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio02-300x234.jpg 300w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a05d1b elementor-widget elementor-widget-spacer\" data-id=\"6a05d1b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c0e4f4 elementor-widget elementor-widget-image\" data-id=\"9c0e4f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"621\" height=\"483\" src=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio03.jpg\" class=\"attachment-large size-large wp-image-32175\" alt=\"\" srcset=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio03.jpg 621w, https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/InstallRStudio03-300x233.jpg 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e18c973 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e18c973\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f70f8d3\" data-id=\"f70f8d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a0fbb11 elementor-widget elementor-widget-spacer\" data-id=\"a0fbb11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-579ddd7 elementor-widget elementor-widget-text-editor\" data-id=\"579ddd7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Instalacija R paketa<\/strong><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d95800e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d95800e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-4edcb86\" data-id=\"4edcb86\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd8b12a elementor-widget elementor-widget-spacer\" data-id=\"cd8b12a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d88f437 elementor-widget elementor-widget-image\" data-id=\"d88f437\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"624\" height=\"335\" src=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/RStudio01.jpg\" class=\"attachment-large size-large wp-image-32181\" alt=\"\" srcset=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/RStudio01.jpg 624w, https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/RStudio01-300x161.jpg 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-f69592c\" data-id=\"f69592c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c129ce elementor-widget elementor-widget-text-editor\" data-id=\"4c129ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tKao \u0161to je ve\u0107 spomenuto, R treba pakete. Ovaj odjeljak \u0107e vam pokazati kako se razli\u010diti paketi mogu instalirati u RStudio.\r\n\r\nOtvorite RStudio iz trake za pretra\u017eivanje sustava Windows i kliknite na konzolu.\r\n\r\nAko \u017eelite instalirati ggpot2. na primjer, mo\u017eete koristiti sljede\u0107u vezu:\r\n\r\n<em>Install.package(\u201cggplot2\u201d)<\/em>\r\n\r\nTo je sve \u0161to trebate u\u010diniti. Ako prvi instalirate paket, mo\u017eda \u0107e postojati neke CRAN ovisnosti koje \u0107e se automatski instalirati. Preporu\u010dam da ih za sada zanemarite. Tako\u0111er, mo\u017eete upisati ovu instalacijsku naredbu u bilje\u017enicu ili R datoteku i izvr\u0161iti je, ali smatram da je konzola bolja za tako kratke zadatke.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e85eca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e85eca\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a157fe1\" data-id=\"a157fe1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1eb5148 elementor-widget elementor-widget-text-editor\" data-id=\"1eb5148\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>U\u010ditajte datoteku<\/strong><\/h3>\r\nNa primjer, ako \u017eelimo uvesti CSV datoteku koja sadr\u017ei na\u0161e podatke o treningu; kako to radimo?\r\n\r\nZa ru\u010dno u\u010ditavanje datoteke kliknite na Radni prostor &gt; Uvoz podataka &gt; Iz tekstualne datoteke, a zatim odaberite datoteku koju \u017eelite u\u010ditati. Prilikom odabira datoteke dobit \u0107ete neke opcije uvoza. Ako u\u010ditavate neki okvir podataka, provjerite je li zaglavlje postavljeno na Da i da nazivi stupaca postoje u va\u0161oj datoteci.\r\n\r\nNakon \u0161to u\u010ditate datoteku, mo\u017eete po\u010deti raditi \u0161to god imate na umu sa svojom datotekom.\r\n\r\nZa uvoz drugih vrsta datoteka, slobodno pogledajte ovdje.\r\n<h2>Zaklju\u010dak<\/h2>\r\nR je prevladavaju\u0107i programski jezik u svijetu statisti\u010dara i znanstvenika podataka. Danas u ovom \u010dlanku nau\u010dili smo za\u0161to mo\u017ee biti vrlo korisno poznavati R i kako mo\u017ee ubrzati va\u0161e procese, na primjer svojom brzo prilagodljivom sintaksom, \u0161irokim rasponom dostupnih paketa i velikom podr\u0161kom zajednice.\r\nSada tako\u0111er razumijemo neke bitne klju\u010dne zna\u010dajke za po\u010detak s jezikom i preliminarnim koracima, kao \u0161to je u\u010ditavanje datoteke i instaliranje paketa. U sljede\u0107im \u010dlancima iz ove serije radit \u0107emo naprednije zadatke kao \u0161to su izrada vizualizacija i obrada podataka.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>R programski jezik jedan je od najpopularnijih jezika kada su u pitanju znanost o podacima i statisti\u010dka analiza. To je uglavnom zato \u0161to je R posebno napravljen za statisti\u010dke klju\u010dne brojke i analizu podataka. Dok je R razvijen ranih 90-ih, tek su se s usponom znanosti o podacima ljudi po\u010deli oslanjati na njega.U dana\u0161njem \u010dlanku &#8230; <a title=\"Vodi\u010d za po\u010detnike za programski jezik R\" class=\"read-more\" href=\"https:\/\/www.cubeserv.com\/hr\/vodic-za-pocetnike-za-programski-jezik-r\/\" aria-label=\"Read more about Vodi\u010d za po\u010detnike za programski jezik R\">Pro\u010ditaj vi\u0161e<\/a><\/p>\n","protected":false},"author":13,"featured_media":32746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[508],"tags":[535,555],"class_list":["post-34073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-analytics","tag-advanced-analytics","tag-r"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vodi\u010d za po\u010detnike za programski jezik R - CubeServ<\/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:\/\/www.cubeserv.com\/hr\/vodic-za-pocetnike-za-programski-jezik-r\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vodi\u010d za po\u010detnike za programski jezik R - CubeServ\" \/>\n<meta property=\"og:description\" content=\"R programski jezik jedan je od najpopularnijih jezika kada su u pitanju znanost o podacima i statisti\u010dka analiza. To je uglavnom zato \u0161to je R posebno napravljen za statisti\u010dke klju\u010dne brojke i analizu podataka. Dok je R razvijen ranih 90-ih, tek su se s usponom znanosti o podacima ljudi po\u010deli oslanjati na njega.U dana\u0161njem \u010dlanku ... Pro\u010ditaj vi\u0161e\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cubeserv.com\/hr\/vodic-za-pocetnike-za-programski-jezik-r\/\" \/>\n<meta property=\"og:site_name\" content=\"CubeServ\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CubeServ\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-25T09:53:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-28T17:43:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cubeserv.com\/wp-content\/uploads\/2022\/01\/R-Programming.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Adrian Bourcevet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CubeServ\" \/>\n<meta name=\"twitter:site\" content=\"@CubeServ\" \/>\n<meta name=\"twitter:label1\" content=\"Napisao\/la\" \/>\n\t<meta name=\"twitter:data1\" content=\"Adrian Bourcevet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/\"},\"author\":{\"name\":\"Adrian Bourcevet\",\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/#\\\/schema\\\/person\\\/9fa3e70f8d00816f1cb8008ad2fd301d\"},\"headline\":\"Vodi\u010d za po\u010detnike za programski jezik R\",\"datePublished\":\"2022-02-25T09:53:35+00:00\",\"dateModified\":\"2022-03-28T17:43:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/\"},\"wordCount\":1440,\"publisher\":{\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cubeserv.com\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/R-Programming.jpg\",\"keywords\":[\"Advanced Analytics\",\"R\"],\"articleSection\":[\"Business Analytics\"],\"inLanguage\":\"hr\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/\",\"url\":\"https:\\\/\\\/www.cubeserv.com\\\/hr\\\/vodic-za-pocetnike-za-programski-jezik-r\\\/\",\"name\":\"Vodi\u010d za po\u010detnike za programski jezik R - 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