{"id":4570,"date":"2026-08-11T10:26:58","date_gmt":"2026-08-11T08:26:58","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4570"},"modified":"2026-08-11T10:26:58","modified_gmt":"2026-08-11T08:26:58","slug":"allegato-dati-di-riferimento","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/annexe-reperes\/","title":{"rendered":"Allegato: dati di riferimento"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li><strong>Variabile quantitativa<\/strong>\u00a0: misura in cui una media ha senso.<\/li>\n\n\n\n<li><strong>Variabile qualitativa<\/strong>\u00a0: categoria; si contano gli effettivi, non si calcola la media.<\/li>\n\n\n\n<li><strong>X e Y<\/strong>\u00a0: X spiega, Y viene spiegato. Il ruolo modifica i grafici disponibili.<\/li>\n\n\n\n<li><strong>Dati appaiati<\/strong>\u00a0: due serie di misurazioni effettuate sugli stessi soggetti. Da specificare, pena la perdita di potenza statistica.<\/li>\n\n\n\n<li><strong>valore p<\/strong>\u00a0: probabilit\u00e0 di osservare una tale discrepanza qualora non esistesse alcuna differenza reale. Se \u00e8 bassa, rende poco plausibile l\u2019ipotesi che si tratti di un caso casuale.<\/li>\n\n\n\n<li><strong>AUC<\/strong>\u00a0: area sotto la curva ROC, potere discriminante di una misura. 0,5 = casuale, 1 = perfetto.<strong>Interazione<\/strong>\u00a0: l'effetto di un fattore dipende dal livello di un altro. L'analisi multivariata lo rende visibile.<\/li>\n\n\n\n<li><strong>Interazione<\/strong>\u00a0: l'effetto di un fattore dipende dal livello di un altro. L'analisi multivariata lo rende visibile.<\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":120,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[21],"class_list":["post-4570","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-3-graphiques"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Annexe : rep\u00e8res - Ellistat<\/title>\n<meta name=\"description\" content=\"Variable qualitative, p-value, AUC, interaction... le glossaire des termes statistiques essentiels pour analyser vos donn\u00e9es qualit\u00e9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/it\/guida-per-lutente\/allegato-dati-di-riferimento\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Annexe : rep\u00e8res - 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