{"id":22635,"date":"2023-12-12T23:13:51","date_gmt":"2023-12-12T10:13:51","guid":{"rendered":"https:\/\/goit.global\/?post_type=blog&#038;p=22635"},"modified":"2023-12-12T23:13:58","modified_gmt":"2023-12-12T10:13:58","slug":"analiza-datelor-pentru-incepatori-de-unde-sa-incepi","status":"publish","type":"blog","link":"https:\/\/goit.global\/ro\/blog\/analiza-datelor-pentru-incepatori-de-unde-sa-incepi\/","title":{"rendered":"Analiza Datelor pentru \u00cencep\u0103tori: De unde s\u0103 \u00eencepi"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Analiza datelor este un proces de examinare, cur\u0103\u021bare, transformare \u0219i modelare a datelor pentru a extrage informa\u021bii utile, a trage concluzii \u0219i a sprijini luarea deciziilor. Este folosit\u0103 \u00een diverse domenii \u0219i industrii, cum ar fi afaceri, s\u0103n\u0103tate, educa\u021bie, \u0219tiin\u021b\u0103, etc. De asemenea, analiza datelor este un domeniu \u00een plin\u0103 dezvoltare \u0219i cerere, care ofer\u0103 oportunit\u0103\u021bi \u0219i provoc\u0103ri pentru cei care vor s\u0103 \u00ee\u0219i construiasc\u0103 o carier\u0103 \u00een acest domeniu. Dac\u0103 e\u0219ti un \u00eencep\u0103tor \u00een analiza datelor \u0219i vrei s\u0103 afli de unde s\u0103 \u00eencepi, acest articol \u00ee\u021bi va oferi c\u00e2teva sfaturi \u0219i resurse utile de introducere \u00een analiza datelor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce trebuie s\u0103 \u0219tii despre analiza datelor?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cenainte de a \u00eencepe s\u0103 \u00eenve\u021bi despre <a href=\"https:\/\/da.w.goit.global\/ro\/?amp%3Butm_medium=mainsite&#038;amp%3Butm_campaign=button\">analiza datelor<\/a>, este bine s\u0103 ai o imagine de ansamblu despre no\u021biuni de baz\u0103 ale analizei datelor, ce tipuri de analiz\u0103 exist\u0103, ce instrumente \u0219i tehnici se folosesc \u0219i ce beneficii aduce. Iat\u0103 c\u00e2teva aspecte pe care trebuie s\u0103 le \u0219tii despre analiza datelor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Analiza datelor este un domeniu care combin\u0103 cuno\u0219tin\u021be \u0219i abilit\u0103\u021bi din matematic\u0103, statistic\u0103, informatic\u0103, afaceri \u0219i alte domenii, pentru a colecta, prelucra, analiza \u0219i interpreta date.<\/li>\n\n\n\n<li>Analiza datelor poate fi \u00eemp\u0103r\u021bit\u0103 \u00een mai multe tipuri, \u00een func\u021bie de scopul \u0219i metodele folosite, cum ar fi analiza descriptiv\u0103, analiza diagnostic\u0103, <a href=\"https:\/\/www.hotnews.ro\/stiri-dateinbusiness-25849149-analiza-predictiva-conceptul-vechi-decenii-care-dovedeste-crucial-prezent.htm\" target=\"_blank\" rel=\"noopener\">analiza predictiv\u0103<\/a> \u0219i analiza prescriptiv\u0103.<\/li>\n\n\n\n<li>Analiza datelor se bazeaz\u0103 pe colectarea, prelucrarea, stocarea \u0219i accesarea datelor, care pot fi de diferite tipuri, cum ar fi date structurate, date nestructurate, date semi-structurate, date mari, etc.<\/li>\n\n\n\n<li>Analiza datelor folose\u0219te diferite instrumente \u0219i platforme, cum ar fi Excel, <a href=\"https:\/\/ro.wikipedia.org\/wiki\/SQL\" target=\"_blank\" rel=\"noopener\">SQL<\/a>, Python, R, SAS, SPSS, Tableau, Power BI, etc., care ofer\u0103 func\u021bionalit\u0103\u021bi \u0219i facilit\u0103\u021bi pentru manipularea, analiza, modelarea \u0219i vizualizarea datelor.<\/li>\n\n\n\n<li>Analiza datelor aduce mai multe beneficii, cum ar fi cre\u0219terea eficien\u021bei \u0219i a productivit\u0103\u021bii, \u00eembun\u0103t\u0103\u021birea calit\u0103\u021bii \u0219i a satisfac\u021biei, generarea de inova\u021bie \u0219i de avantaj competitiv, sus\u021binerea lu\u0103rii deciziilor \u0219i a strategiilor.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ce abilit\u0103\u021bi trebuie s\u0103 ai pentru a \u00eenv\u0103\u021ba analiza datelor?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231317\/image-9-1024x538.png\" alt=\"\" class=\"wp-image-22642\" srcset=\"https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231317\/image-9-1024x538.png 1024w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231317\/image-9-300x158.png 300w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231317\/image-9-768x403.png 768w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231317\/image-9.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a \u00eenv\u0103\u021ba analiza datelor, este nevoie de o combina\u021bie de abilit\u0103\u021bi tehnice, analitice \u0219i de comunicare, care \u00ee\u021bi permit s\u0103 colectezi, s\u0103 prelucrezi, s\u0103 analizezi \u0219i s\u0103 prezinte datele \u00een mod eficient \u0219i relevant. Unele dintre abilit\u0103\u021bile pe care trebuie s\u0103 le ai sau s\u0103 le dezvol\u021bi pentru a \u00eenv\u0103\u021ba analiza datelor sunt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Abilit\u0103\u021bi tehnice: trebuie s\u0103 cuno\u0219ti \u0219i s\u0103 folose\u0219ti diferite instrumente \u0219i platforme pentru a accesa, a stoca, a manipula \u0219i a vizualiza datele, cum ar fi Excel, SQL, Python, R, SAS, SPSS, Tableau, Power BI, etc. De asemenea, trebuie s\u0103 cuno\u0219ti \u0219i s\u0103 aplici diferite tehnici \u0219i metode de analiz\u0103 a datelor, cum ar fi statistica, probabilitatea, <a href=\"https:\/\/ro.wikipedia.org\/wiki\/Algebr%C4%83_liniar%C4%83\" target=\"_blank\" rel=\"noopener\">algebr\u0103 liniar\u0103<\/a>, calcul, \u00eenv\u0103\u021barea automat\u0103, analiza seriei temporale, analiza textului, etc.<\/li>\n\n\n\n<li>Abilit\u0103\u021bi analitice: trebuie s\u0103 ai capacitatea de a g\u00e2ndi logic, critic \u0219i creativ, pentru a formula \u00eentreb\u0103ri relevante, a testa ipoteze, a extrage informa\u021bii, a descoperi tipare, a construi modele, a face predic\u021bii, a genera recomand\u0103ri, etc. De asemenea, trebuie s\u0103 ai capacitatea de a evalua calitatea, validitatea, relevan\u021ba \u0219i semnifica\u021bia datelor \u0219i a rezultatelor, pentru a oferi concluzii \u0219i solu\u021bii informate \u0219i fundamentate.<\/li>\n\n\n\n<li>Abilit\u0103\u021bi de comunicare: trebuie s\u0103 ai capacitatea de a comunica eficient \u0219i persuasiv, at\u00e2t oral, c\u00e2t \u0219i scris, cu diferite audien\u021be \u0219i p\u0103r\u021bi interesate, cum ar fi clien\u021bi, manageri, colegi, etc. Trebuie s\u0103 \u0219tii s\u0103 sintetizezi, s\u0103 vizualizezi \u0219i s\u0103 prezinte datele \u0219i rezultatele \u00een mod clar, concis \u0219i relevant, pentru a r\u0103spunde la \u00eentreb\u0103ri, a oferi informa\u021bii, a eviden\u021bia implica\u021bii, a sugera ac\u021biuni \u0219i a sprijini deciziile.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ce resurse po\u021bi folosi pentru a \u00eenv\u0103\u021ba analiza datelor?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a \u00eenv\u0103\u021ba analiza datelor, exist\u0103 o varietate de resurse disponibile, care \u00ee\u021bi pot oferi informa\u021bii, exemple, exerci\u021bii \u0219i feedback. Unele dintre resursele pe care le po\u021bi folosi pentru a \u00eenv\u0103\u021ba analiza datelor sunt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u0103r\u021bi: exist\u0103 multe c\u0103r\u021bi care trateaz\u0103 diferite aspecte ale analizei datelor, cum ar fi concepte, principii, tehnici, instrumente, aplica\u021bii, etc.&nbsp;<\/li>\n\n\n\n<li>Cursuri: GoIT propune un<a href=\"https:\/\/goit.global\/ro\/courses\/data-analytics\/\"> curs de Data Analyst<\/a> \u00een cadrul c\u0103ruia vei dob\u00e2ndi toate competen\u021bele necesare \u0219i dup\u0103 care vei putea lucra pe un post de junior dup\u0103 doar 5 luni de studii.<\/li>\n\n\n\n<li>Platforme: exist\u0103 multe platforme online, gratuite sau pl\u0103tite, care ofer\u0103 acces la date, instrumente, proiecte, concursuri \u0219i comunit\u0103\u021bi legate de analiza datelor.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Cum s\u0103 \u00ee\u021bi \u00eencepi cariera \u00een analiza datelor?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231320\/image-10-1024x538.png\" alt=\"\" class=\"wp-image-22648\" srcset=\"https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231320\/image-10-1024x538.png 1024w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231320\/image-10-300x158.png 300w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231320\/image-10-768x403.png 768w, https:\/\/web-dev-goit.s3.eu-north-1.amazonaws.com\/app\/uploads\/2023\/12\/12231320\/image-10.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a-\u021bi \u00eencepe cariera \u00een analiza datelor, este nevoie de preg\u0103tire, practic\u0103 \u0219i perseveren\u021b\u0103. Iat\u0103 c\u00e2\u021biva pa\u0219i pe care \u00eei po\u021bi urma pentru a \u00eencepe \u0219i a avansa rapid \u00een acest domeniu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Educa\u021bia:<\/strong> pentru a deveni un data analyst, este recomandat s\u0103 ai o educa\u021bie de nivel superior \u00eentr-un domeniu relevant, cum ar fi matematic\u0103, statistic\u0103, informatic\u0103, economie sau po\u021bi urma cursul nostru despre care \u021bi-am men\u021bionat mai sus pentru un drum mai scurt, dar, crdem noi, \u0219i mai sigur.<\/li>\n\n\n\n<li><strong>Experien\u021ba: <\/strong>pentru a dob\u00e2ndi \u0219i a demonstra abilit\u0103\u021bile de data analyst, este important s\u0103 ai experien\u021b\u0103 practic\u0103 \u00een colectarea, prelucrarea, analiza \u0219i prezentarea datelor. Po\u021bi ob\u021bine experien\u021b\u0103 prin participarea la proiecte, concursuri, internshipuri, voluntariate, etc., legate de analiza datelor, \u00een domeniul \u0219i industria care te intereseaz\u0103.<\/li>\n\n\n\n<li><strong>Portofoliul:<\/strong> pentru a-\u021bi eviden\u021bia abilit\u0103\u021bile \u0219i realiz\u0103rile, este util s\u0103 ai un portofoliu, care s\u0103 con\u021bin\u0103 exemple de proiecte, rapoarte, studii, articole, etc., pe care le-ai f\u0103cut sau la care ai contribuit. Portofoliul poate fi sub form\u0103 de website, <a href=\"https:\/\/goit.global\/ro\/blog\/\">blog<\/a>, platform\u0103 online, etc., \u0219i trebuie s\u0103 fie actualizat, organizat \u0219i accesibil.<\/li>\n\n\n\n<li><strong>Re\u021beaua:<\/strong> pentru a-\u021bi cre\u0219te \u0219ansele de a g\u0103si \u0219i de a ob\u021bine oportunit\u0103\u021bi de carier\u0103 \u00een analiza datelor, este important s\u0103 \u00ee\u021bi construie\u0219ti \u0219i s\u0103 \u00ee\u021bi men\u021bii o re\u021bea de contacte profesionale, care s\u0103 te recomande, s\u0103 te sprijine, s\u0103 te inspire \u0219i s\u0103 te informeze. Re\u021beaua poate fi format\u0103 din colegi, mentori, profesori, clien\u021bi, parteneri, etc., \u0219i poate fi dezvoltat\u0103 prin participarea la evenimente, conferin\u021be, cursuri, workshopuri, etc., legate de analiza datelor.<\/li>\n\n\n\n<li><strong>\u00cenv\u0103\u021barea continu\u0103:<\/strong> pentru a-\u021bi men\u021bine \u0219i a-\u021bi \u00eembun\u0103t\u0103\u021bi abilit\u0103\u021bile de data analyst, este esen\u021bial s\u0103 fii \u00een permanen\u021b\u0103 la curent cu ultimele tendin\u021be, nout\u0103\u021bi \u0219i inova\u021bii din domeniu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen concluzie, analiza datelor este un domeniu care implic\u0103 colectarea, prelucrarea, analiza \u0219i interpretarea datelor, pentru a extrage informa\u021bii utile, a genera cuno\u0219tin\u021be \u0219i a sprijini luarea deciziilor. Pentru a \u00eenv\u0103\u021ba \u0219i a practica analiza datelor, este nevoie de abilit\u0103\u021bi tehnice, analitice \u0219i de comunicare, precum \u0219i de cunoa\u0219terea \u0219i folosirea unor instrumente \u0219i platforme specifice, cum ar fi Excel, SQL, Python, R, SAS, SPSS, Tableau, Power BI, etc. Pentru a-\u021bi construi o carier\u0103 \u00een acest domeniu, este nevoie de preg\u0103tire, practic\u0103, perseveren\u021b\u0103 \u0219i \u00eenv\u0103\u021bare continu\u0103, precum \u0219i de un portofoliu \u0219i o re\u021bea de contacte profesionale.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vrei s\u0103 \u00eenve\u021bi analiza datelor, dar nu \u0219tii de unde s\u0103 \u00eencepi? Acest articol \u00ee\u021bi prezint\u0103 pa\u0219ii esen\u021biali pentru a deveni un data anlalyst profesionist, de la abilit\u0103\u021bile potrivite p\u00e2n\u0103 la resursele necesare \u0219i ce ai nevoie pentru a-ncepe.<\/p>\n","protected":false},"featured_media":22636,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"categories":[],"tags":[],"class_list":["post-22635","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/blog\/22635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/media\/22636"}],"wp:attachment":[{"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/media?parent=22635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/categories?post=22635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/goit.global\/ro\/wp-json\/wp\/v2\/tags?post=22635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}