{"id":437,"date":"2020-03-19T12:20:18","date_gmt":"2020-03-19T11:20:18","guid":{"rendered":"http:\/\/estatistika.ku.sk\/?page_id=437"},"modified":"2022-01-09T02:39:46","modified_gmt":"2022-01-09T01:39:46","slug":"komparacna-analyza","status":"publish","type":"page","link":"https:\/\/estatistika.ku.sk\/index.php\/induktivna-statistika\/komparacna-analyza\/","title":{"rendered":"Kompara\u010dn\u00e1 anal\u00fdza"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Kompara\u010dn\u00e1 anal\u00fdza sl\u00fa\u017ei na <strong>porovn\u00e1vanie<\/strong> dvoch alebo viacer\u00fdch skup\u00edn v nez\u00e1vislej premennej. Skupiny porovn\u00e1vame z h\u013eadiska stredn\u00fdch hodn\u00f4t:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><strong>priemeru<\/strong> v pr\u00edpade kardin\u00e1lnych premenn\u00fdch (napr. porovn\u00e1vame skupinu mu\u017eov\u00a0 a \u017eien z h\u013eadiska ich priemernej mzdy),<\/span><\/li>\n<li><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><strong>medi\u00e1nu\/priemern\u00e9ho poradia<\/strong> v pr\u00edpade ordin\u00e1lnych premenn\u00fdch (napr. porovn\u00e1vame skupinu <span style=\"color: #000000;\">vydat\u00fdch\/\u017eenat\u00fdch a slobodn\u00fdch v postoji k man\u017eelstvu).<\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">V pr\u00edpade nomin\u00e1lnych premenn\u00fdch porovn\u00e1vame skupiny z h\u013eadiska ich <strong>po\u010detnost\u00ed <\/strong>(napr. porovn\u00e1vam<span style=\"color: #000000;\">e skupinu vysoko\u0161kolsk\u00fdch \u0161tudentov a pracuj\u00facich mlad\u00fdch \u013eud\u00ed z h\u013eadiska ich rodinn\u00e9ho stav<\/span>u).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Kompara\u010dn\u00e1 anal\u00fdza sa naz\u00fdva aj <strong>dvojrozmernou (bivaria\u010dnou) anal\u00fdzou<\/strong>, pri\u010dom sleduje \u00fadaje o vz\u00e1jomnom p\u00f4soben\u00ed dvoch premenn\u00fdch (vlastnost\u00ed, znakov). Okrem porovnania skup\u00edn z h\u013eadiska priemeru\/medi\u00e1nu\/po\u010detnost\u00ed zis\u0165uje (testuje) i to, \u010di zisten\u00e9 rozdiely s\u00fa \u0161tatisticky v\u00fdznamn\u00e9 (signifikantn\u00e9). To znamen\u00e1, \u017ee testuje to, \u010di je mo\u017en\u00e9 zisten\u00e9 rozdiely medzi skupinami zov\u0161eobecni\u0165 (s ur\u010ditou mierou pravdepodobnosti) na z\u00e1kladn\u00fd s\u00fabor.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">V\u00fdber relevantn\u00e9ho \u0161tatistick\u00e9ho testu v kompara\u010dnej anal\u00fdze z\u00e1vis\u00ed od:<\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><strong>v\u00fdskumnej vzorky<\/strong> &#8211; <a href=\"http:\/\/estatistika.ku.sk\/index.php\/vyber-vyskumnej-vzorky\/zavisly-a-nezavisly-vyber\/\">z\u00e1visl\u00fd<\/a>, <a href=\"http:\/\/estatistika.ku.sk\/index.php\/vyber-vyskumnej-vzorky\/zavisly-a-nezavisly-vyber\/\">nez\u00e1visl\u00fd<\/a> v\u00fdber;<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><strong>po\u010dtu porovn\u00e1van\u00fdch skup\u00edn<\/strong> &#8211; dve skupiny (napr. mu\u017ei\/\u017eeny), tri a viac skup\u00edn (napr. respondenti so z\u00e1kladn\u00fdm vzdelan\u00edm, respondenti so stredo\u0161kolsk\u00fdm vzdelan\u00edm, respondenti s vysoko\u0161kolsk\u00fdm vzdelan\u00edm);<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">typu nez\u00e1vislej premennej:<\/span>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><a href=\"http:\/\/estatistika.ku.sk\/index.php\/komparacia-suborov-podla-nominalnej-premennej\/\">kompar\u00e1cia s\u00faborov pod\u013ea <strong>nomin\u00e1lnej<\/strong> premennej<\/a>,<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><a href=\"http:\/\/estatistika.ku.sk\/index.php\/komparacia-suborov-podla-ordinalnej-premennej\/\">kompar\u00e1cia s\u00faborov pod\u013ea <strong>ordin\u00e1lnej<\/strong> premennej,<\/a><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\"><a href=\"http:\/\/estatistika.ku.sk\/index.php\/komparacia-suborov-podla-kardinalnej-premennej-2\/\">kompar\u00e1cia s\u00faborov pod\u013ea <strong>kardin\u00e1lnej<\/strong> premennej.<\/a><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Kompara\u010dn\u00e1 anal\u00fdza sl\u00fa\u017ei na porovn\u00e1vanie dvoch alebo viacer\u00fdch skup\u00edn v nez\u00e1vislej premennej. Skupiny porovn\u00e1vame z h\u013eadiska stredn\u00fdch hodn\u00f4t: priemeru v pr\u00edpade kardin\u00e1lnych premenn\u00fdch (napr. porovn\u00e1vame skupinu mu\u017eov\u00a0 a \u017eien z h\u013eadiska ich priemernej mzdy), medi\u00e1nu\/priemern\u00e9ho poradia v pr\u00edpade ordin\u00e1lnych premenn\u00fdch (napr. porovn\u00e1vame skupinu vydat\u00fdch\/\u017eenat\u00fdch a slobodn\u00fdch v postoji k man\u017eelstvu). V pr\u00edpade nomin\u00e1lnych premenn\u00fdch porovn\u00e1vame [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":17,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/template-full-width.php","meta":{"footnotes":""},"class_list":["post-437","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/comments?post=437"}],"version-history":[{"count":13,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/437\/revisions"}],"predecessor-version":[{"id":1764,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/437\/revisions\/1764"}],"up":[{"embeddable":true,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/17"}],"wp:attachment":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/media?parent=437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}