{"id":3646,"date":"2023-11-19T12:42:45","date_gmt":"2023-11-19T11:42:45","guid":{"rendered":"https:\/\/www.psyctc.org\/psyctc\/?post_type=docs&#038;p=3646"},"modified":"2024-03-05T14:11:00","modified_gmt":"2024-03-05T13:11:00","password":"","slug":"qq-quantile-quantile-plot","status":"publish","type":"docs","link":"https:\/\/www.psyctc.org\/psyctc\/glossary2\/qq-quantile-quantile-plot\/","title":{"rendered":"qq (quantile-quantile) plot"},"content":{"rendered":"\n<p> A qq plot from my Rblog post  <a href=\"https:\/\/www.psyctc.org\/Rblog\/posts\/2023-11-18-explore-distributions-with-plots\/\" title=\"\">Explore distributions with plots<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.psyctc.org\/Rblog\/posts\/2023-11-18-explore-distributions-with-plots\/explore-distributions-with-plots_files\/figure-html5\/qqplot3-1.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>These are diagnostic plots used to explore similarities between the distribution of values\/scores in a sample against a theoretical distribution, typically the Gaussian distribution, or to compare distributions of two distributions.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Details<\/h4>\n\n\n\n<p>Go to <a href=\"https:\/\/www.psyctc.org\/Rblog\/index.html\" target=\"_blank\" rel=\"noopener\" title=\"\">Rblog<\/a> post <a href=\"https:\/\/www.psyctc.org\/Rblog\/posts\/2023-11-18-explore-distributions-with-plots\/\" title=\"\">Explore distributions with plots<\/a> for the explanation.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Try also<\/h4>\n\n\n\n<p><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/gaussian-normal-distribution\/\" title=\"\">Gaussian (&#8220;Normal&#8221;) distribution<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/kolmogorov-smirnov-test\/\" title=\"\">Kolmogorov-Smirnov test<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/anderson-darling-test\/\" title=\"\">Anderson-Darling test<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/cramer-von-mises-test\/\" title=\"\">Cramer von Mises test<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/shapiro-wilk-test\/\" title=\"\">Shapiro-Wilk test<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/shapiro-francia-test\/\" title=\"\">Shapiro-Francia test<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/null-hypothesis-significance-testing-nhst-paradigm\/\" title=\"\">Null hypothesis testing<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/distribution-shape\/\" title=\"\">Distribution shape<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/null-hypothesis-significance-testing-nhst-paradigm\/\" title=\"\">Null hypothesis significance testing (NHST) paradigm<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/dataset\/\" title=\"\">Sampling and sample frame<\/a><br><a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/population\/\" title=\"\">Population<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Chapters<\/h4>\n\n\n\n<p>Not in the book<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Online resources<\/h4>\n\n\n\n<p>My <a href=\"https:\/\/www.psyctc.org\/Rblog\/index.html\" target=\"_blank\" rel=\"noopener\" title=\"\">Rblog<\/a> post:<br>* <a href=\"https:\/\/www.psyctc.org\/Rblog\/posts\/2023-11-18-explore-distributions-with-plots\/\" title=\"\">Explore distributions with plots<\/a><br>My <a href=\"https:\/\/shiny.psyctc.org\/\" target=\"_blank\" rel=\"noopener\" title=\"\">shiny apps<\/a>:<br>* <a href=\"https:\/\/shiny.psyctc.org\/apps\/Gaussian1\/\" target=\"_blank\" rel=\"noreferrer noopener\">App creating samples from Gaussian distribution<\/a> showing histogram, ecdf and qqplot<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Dates<\/h4>\n\n\n\n<p>First created 19.xi.23<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A qq plot from my Rblog post Explore distributions with plots These are diagnostic plots used to explore similarities between the distribution of values\/scores in a sample against a theoretical distribution, typically the Gaussian distribution, or to compare distributions of two distributions. Details Go to Rblog post Explore distributions with plots for the explanation. Try &hellip; <a href=\"https:\/\/www.psyctc.org\/psyctc\/glossary2\/qq-quantile-quantile-plot\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">qq (quantile-quantile) plot<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[18],"glossaries":[],"doc_tag":[],"knowledge_base":[],"class_list":["post-3646","docs","type-docs","status-publish","hentry","doc_category-om-book"],"year_month":"2026-04","word_count":109,"total_views":"896","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"chris","author_nicename":"chris","author_url":"https:\/\/www.psyctc.org\/psyctc\/author\/chris\/"},"doc_category_info":[{"term_name":"All OM book glossary entries","term_url":"https:\/\/www.psyctc.org\/psyctc\/glossary\/non-knowledgebase\/om-book\/"}],"doc_tag_info":[],"knowledge_base_info":[],"knowledge_base_slug":[],"_links":{"self":[{"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/docs\/3646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/comments?post=3646"}],"version-history":[{"count":2,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/docs\/3646\/revisions"}],"predecessor-version":[{"id":3947,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/docs\/3646\/revisions\/3947"}],"wp:attachment":[{"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/media?parent=3646"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/doc_category?post=3646"},{"taxonomy":"glossaries","embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/glossaries?post=3646"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/doc_tag?post=3646"},{"taxonomy":"knowledge_base","embeddable":true,"href":"https:\/\/www.psyctc.org\/psyctc\/wp-json\/wp\/v2\/knowledge_base?post=3646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}