{"id":13,"date":"2019-10-22T10:20:18","date_gmt":"2019-10-22T08:20:18","guid":{"rendered":"http:\/\/estatistika.ku.sk\/?page_id=13"},"modified":"2022-02-25T16:36:17","modified_gmt":"2022-02-25T15:36:17","slug":"deskriptivna-statistika","status":"publish","type":"page","link":"https:\/\/estatistika.ku.sk\/index.php\/deskriptivna-statistika\/","title":{"rendered":"Deskript\u00edvna \u0161tatistika"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Deskript\u00edvna<b> (popisn\u00e1) \u0161tatistika <\/b>&#8211; jej cie\u013eom je pop\u00edsa\u0165 v\u00fdskumn\u00fd s\u00fabor. Sl\u00fa\u017ei na zobrazenie v\u00fdsledkov \u0161tatistick\u00e9ho sk\u00famania vyjadren\u00fdch v preh\u013eadnej,<\/span><br \/>\n<span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">koncentrovanej forme (tabu\u013eky, grafy, popisn\u00e9 charakteristiky).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Jej \u00falohou je vytvori\u0165 <strong>preh\u013ead<\/strong> o z\u00edskan\u00fdch \u00fadajoch, ktor\u00e9 sam\u00e9 o sebe \u010dasto predstavuj\u00fa nepreh\u013eadn\u00fa zmes \u010d\u00edsel alebo in\u00fdch znakov.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">V r\u00e1mci deskript\u00edvnej \u0161tatistiky sa z\u00edskan\u00e9 d\u00e1ta triedia, \u010d\u00edm sa rozumie usporiadanie \u0161tatistick\u00fdch \u00fadajov do ur\u010dit\u00fdch skup\u00edn\/tried pod\u013ea ur\u010dit\u00e9ho znaku\/krit\u00e9ria. Deskript\u00edvna \u0161tatistika je z\u00e1kladom pre \u010fal\u0161iu anal\u00fdzu d\u00e1t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Je mo\u017en\u00e9 pou\u017ei\u0165 prvostup\u0148ov\u00e9, alebo druhostup\u0148ov\u00e9 triedenie d\u00e1t:<\/span><\/p>\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\/prvostupnove-triedenie-dat\/\"><strong>prvostup\u0148ov\u00e9 triedenie <\/strong>d\u00e1t<\/a>\u00a0(jednorozmern\u00e1 anal\u00fdza)\u00a0pracuje s hodnotami len<\/span><br \/>\n<span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">jednej premennej (napr. mzda). V\u00fdsledkom prvostup\u0148ov\u00e9ho triedenia je <strong>frekven\u010dn\u00e1 tabu\u013eka<\/strong>, ktor\u00e1 vyjadruje po\u010detnosti a\u00a0percentu\u00e1lne zast\u00fapenie.<\/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\/deskriptivna-statistika\/druhostupnove-triedenie-dat\/\"><strong>druhostup\u0148ov\u00e9 triedenie <\/strong>d\u00e1t<\/a> (dvojrozmern\u00e1 anal\u00fdza)\u00a0pracuje\u00a0minim\u00e1lne s dvoma premenn\u00fdmi: prv\u00e1 premenn\u00e1\u00a0vymedzuje s\u00fabory, ktor\u00e9 chceme komparova\u0165 (napr. pohlavie \u2013 mu\u017e, \u017eena), druh\u00e1 premenn\u00e1 je t\u00e1, ktor\u00e1 je porovn\u00e1van\u00e1 (napr. mzda) &#8211; zis\u0165ujeme, ak\u00e1 je priemern\u00e1 mzda osobitne za mu\u017eov a \u017eeny. V\u00fdsledkom je tzv. <b>kontingen\u010dn\u00e1 tabu\u013eka<\/b> (frekven\u010dn\u00e1 tabu\u013eka spoluuveden\u00fdch dvoch premenn\u00fdch).<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Deskript\u00edvna (popisn\u00e1) \u0161tatistika &#8211; jej cie\u013eom je pop\u00edsa\u0165 v\u00fdskumn\u00fd s\u00fabor. Sl\u00fa\u017ei na zobrazenie v\u00fdsledkov \u0161tatistick\u00e9ho sk\u00famania vyjadren\u00fdch v preh\u013eadnej, koncentrovanej forme (tabu\u013eky, grafy, popisn\u00e9 charakteristiky). Jej \u00falohou je vytvori\u0165 preh\u013ead o z\u00edskan\u00fdch \u00fadajoch, ktor\u00e9 sam\u00e9 o sebe \u010dasto predstavuj\u00fa nepreh\u013eadn\u00fa zmes \u010d\u00edsel alebo in\u00fdch znakov. V r\u00e1mci deskript\u00edvnej \u0161tatistiky sa z\u00edskan\u00e9 d\u00e1ta triedia, \u010d\u00edm sa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1550,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/template-full-width.php","meta":{"footnotes":""},"class_list":["post-13","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/13","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":35,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":2229,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/pages\/13\/revisions\/2229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/media\/1550"}],"wp:attachment":[{"href":"https:\/\/estatistika.ku.sk\/index.php\/wp-json\/wp\/v2\/media?parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}