{"id":4546,"date":"2026-08-11T10:23:50","date_gmt":"2026-08-11T08:23:50","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4546"},"modified":"2026-08-11T10:32:59","modified_gmt":"2026-08-11T08:32:59","slug":"selezionare-i-propri-dati","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/selectionner-ses-donnees\/","title":{"rendered":"Selezionare i propri dati"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Tutto parte da qui. Due criteri determinano ci\u00f2 che il menu vi proporr\u00e0 in seguito.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La natura delle variabili:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quantitativa<\/strong>\u00a0: una misura, un valore per il quale ha senso calcolare una media: un\u2019altitudine, una pressione, un tempo<\/li>\n\n\n\n<li><strong>Qualitativa<\/strong>\u00a0: una categoria: una macchina, un operatore, un tipo di difetto, un verdetto OK\/KO.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Il ruolo delle variabili:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y<\/strong>\u00a0\u00e8 ci\u00f2 che osserviamo, la grandezza che ci interessa; ;<\/li>\n\n\n\n<li><strong>X<\/strong>\u00a0\u00e8 ci\u00f2 che potrebbe spiegarlo.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:#ffffff;color:#000000\" class=\"has-inline-color\">\ud83d\udca1 La scelta di un solo Y descrive una popolazione. Indicare anche un X solleva una questione di relazione: Y dipende da X?<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:#ffffff;color:#000000\" class=\"has-inline-color\"> \u00c8 proprio questo passaggio che sblocca le analisi delle nuvole, le analisi multivariate e le regressioni.<\/mark><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"featured_media":0,"menu_order":10,"template":"","meta":{"_acf_changed":false},"menu-guide-dutilisateur":[21],"class_list":["post-4546","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>S\u00e9lectionner ses donn\u00e9es - Ellistat<\/title>\n<meta name=\"description\" content=\"Quantitative ou qualitative, Y ou X : apprenez \u00e0 distinguer la nature et le r\u00f4le de vos variables pour choisir la bonne analyse statistique.\" \/>\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\/selezionare-i-propri-dati\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u00e9lectionner ses donn\u00e9es - 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