{"id":4058,"date":"2026-10-12T08:00:00","date_gmt":"2026-10-12T01:00:00","guid":{"rendered":"https:\/\/dykhoa.com\/blog\/?post_type=thuat_ngu&amp;p=4056"},"modified":"2026-10-12T08:00:00","modified_gmt":"2026-10-12T01:00:00","slug":"phan-tich-hoi-quy-regression-analysis","status":"publish","type":"thuat_ngu","link":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/phan-tich-hoi-quy-regression-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch h\u1ed3i quy (regression analysis) l\u00e0 g\u00ec?"},"content":{"rendered":"<h2>Ph\u00e2n t\u00edch h\u1ed3i quy l\u00e0 g\u00ec?<\/h2>\n<p>Ph\u00e2n t\u00edch h\u1ed3i quy (regression analysis) l\u00e0 c\u00f4ng c\u1ee5 th\u1ed1ng k\u00ea c\u1ed1t l\u00f5i trong nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng, cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u y\u1ebfu t\u1ed1 d\u1ef1 b\u00e1o (bi\u1ebfn \u0111\u1ed9c l\u1eadp) l\u00ean m\u1ed9t k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3 (bi\u1ebfn ph\u1ee5 thu\u1ed9c) sau khi \u0111\u00e3 ki\u1ec3m so\u00e1t c\u00e1c bi\u1ebfn g\u00e2y nhi\u1ec5u (Cohen et al., 2003; Gelman &#038; Hill, 2006).<\/p>\n<h2>L\u01b0u \u00fd trong truy\u1ec1n th\u00f4ng s\u1ed1 li\u1ec7u<\/h2>\n<p>Ng\u01b0\u1eddi l\u00e0m truy\u1ec1n th\u00f4ng c\u1ea7n th\u1eadn tr\u1ecdng tr\u00e1nh nh\u1ea7m l\u1eabn gi\u1eefa h\u1ec7 s\u1ed1 h\u1ed3i quy bi\u1ec3u th\u1ecb m\u1ed1i t\u01b0\u01a1ng quan v\u1edbi quan h\u1ec7 nh\u00e2n qu\u1ea3 tuy\u1ec7t \u0111\u1ed1i, tr\u1eeb khi nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf th\u1ef1c nghi\u1ec7m ch\u1eb7t ch\u1ebd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch h\u1ed3i quy l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea \u01b0\u1edbc t\u00ednh m\u1ed1i quan h\u1ec7 \u0111\u1ecbnh l\u01b0\u1ee3ng gi\u1eefa m\u1ed9t bi\u1ebfn ph\u1ee5 thu\u1ed9c v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u bi\u1ebfn \u0111\u1ed9c l\u1eadp, gi\u00fap d\u1ef1 b\u00e1o xu h\u01b0\u1edbng.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","nhom_thuat_ngu":[476],"class_list":["post-4058","thuat_ngu","type-thuat_ngu","status-publish","hentry","nhom_thuat_ngu-nghien-cuu-bang-chung"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ph\u00e2n t\u00edch h\u1ed3i quy (regression analysis) l\u00e0 g\u00ec? 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