{"id":4520,"date":"2023-07-10T11:00:23","date_gmt":"2023-07-10T11:00:23","guid":{"rendered":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/"},"modified":"2023-07-10T11:00:23","modified_gmt":"2023-07-10T11:00:23","slug":"sas-plot-betekent-met-standaard-foutbalken","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/","title":{"rendered":"Sas: gemiddelden uitzetten met standaardfoutbalken"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt de volgende syntaxis in SAS gebruiken om een plot van gemiddelde waarden te maken met standaardfoutbalken per groep:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*calculate mean and standard error of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> ;\n<span style=\"color: #3366ff;\">create table<\/span> groupPlot <span style=\"color: #3366ff;\">as<\/span>\n<span style=\"color: #3366ff;\">select<\/span> \n    team, \n    mean(points) <span style=\"color: #3366ff;\">as<\/span> meanPoints, \n    mean(points) - <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> lowStdPoints,    \n    mean(points) + <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> highStdPoints\n<span style=\"color: #3366ff;\">from<\/span> my_data\n<span style=\"color: #3366ff;\">group by<\/span> team;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*create plot with mean and standard error bars of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sgplot<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;\n<span style=\"color: #3366ff;\">scatter<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ \n    <span style=\"color: #3366ff;\">yerrorlower<\/span> =lowStdPoints <span style=\"color: #3366ff;\">yerrorupper<\/span> =highStdPoints <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #3366ff;\">series<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">In dit specifieke voorbeeld wordt <strong>PROC SQL<\/strong> gebruikt om de gemiddelde waarde van de <strong>puntenvariabele<\/strong> te berekenen, gegroepeerd op de <strong>teamvariabele<\/strong> in een dataset.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Vervolgens gebruiken we <strong>PROC SGPLOT<\/strong> om een grafiek te maken die de gemiddelde waarde van de <strong>puntenvariabele<\/strong> weergeeft, samen met de standaardfoutbalken, gegroepeerd op <strong>teamvariabele<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Het volgende voorbeeld laat zien hoe u deze syntaxis in de praktijk kunt gebruiken.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Voorbeeld: middelen plotten met standaardfoutbalken in SAS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Stel dat we de volgende dataset hebben met informatie over de punten die zijn gescoord door basketbalspelers van verschillende teams:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create dataset*\/<\/span><span style=\"color: #800080;\"><span style=\"color: #000000;\"><span style=\"color: #800080;\">\ndata<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $points;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nAt 29\nAt 23\nAt 20\nAt 21\nAt 33\nB14\nB 13\nB17\nB14\nB15\nC 21\nC22\nC 20\nC25\nC24\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<\/span><span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;<\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35311 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.png\" alt=\"\" width=\"163\" height=\"387\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Stel dat we een diagram willen maken waarin de gemiddelde <strong>puntwaarde<\/strong> wordt weergegeven, samen met de standaardfoutbalken voor elk <strong>team<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">We kunnen hiervoor de volgende syntaxis gebruiken:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*calculate mean and standard error of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> ;\n<span style=\"color: #3366ff;\">create table<\/span> groupPlot <span style=\"color: #3366ff;\">as<\/span>\n<span style=\"color: #3366ff;\">select<\/span> \n    team, \n    mean(points) <span style=\"color: #3366ff;\">as<\/span> meanPoints, \n    mean(points) - <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> lowStdPoints,    \n    mean(points) + <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> highStdPoints\n<span style=\"color: #3366ff;\">from<\/span> my_data\n<span style=\"color: #3366ff;\">group by<\/span> team;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*create plot with mean and standard error bars of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sgplot<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;\n<span style=\"color: #3366ff;\">scatter<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ \n    <span style=\"color: #3366ff;\">yerrorlower<\/span> =lowStdPoints <span style=\"color: #3366ff;\">yerrorupper<\/span> =highStdPoints <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #3366ff;\">series<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35312 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg2.png\" alt=\"\" width=\"616\" height=\"465\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">De kleine cirkels tonen de gemiddelde <strong>puntenwaarde<\/strong> voor elk <strong>team<\/strong> en de balken die zich uitstrekken vanaf de cirkels tonen de standaardfout van <strong>de punten<\/strong> voor elk <strong>team<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">We kunnen ook de tabel afdrukken die we hebben gemaakt met <strong>PROC SQL<\/strong> om de werkelijke waarden van de gemiddelde en standaardfout te zien:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*print mean and standard error of points for each team*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;<\/span>\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35313 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg3.png\" alt=\"\" width=\"408\" height=\"112\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">De waarden in deze tabel komen overeen met die in de bovenstaande grafiek.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">In de volgende zelfstudies wordt uitgelegd hoe u andere diagrammen in SAS maakt:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/nl\/lineaire-trace-luchtsluis\/\" target=\"_blank\" rel=\"noopener\">Hoe lijndiagrammen te maken in SAS<\/a><br \/><a href=\"https:\/\/statorials.org\/nl\/bakkebaard-luchtsluis-per-groep\/\" target=\"_blank\" rel=\"noopener\">Boxplots per groep maken in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/puntenwolk-met-sas-regressielijn\/\" target=\"_blank\" rel=\"noopener\">Hoe u een spreidingsdiagram met een regressielijn in SAS maakt<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt de volgende syntaxis in SAS gebruiken om een plot van gemiddelde waarden te maken met standaardfoutbalken per groep: \/*calculate mean and standard error of points for each team*\/ proc sql ; create table groupPlot as select team, mean(points) as meanPoints, mean(points) &#8211; stderr (points) as lowStdPoints, mean(points) + stderr (points) as highStdPoints from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-4520","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T11:00:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.png\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/\",\"url\":\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/\",\"name\":\"SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-10T11:00:23+00:00\",\"dateModified\":\"2023-07-10T11:00:23+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sas: gemiddelden uitzetten met standaardfoutbalken\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. Ik heb uitgebreide ervaring en expertise op het gebied van statistiek en ik ben vastbesloten om mijn kennis te delen met studenten via Statorials. Lees verder\",\"sameAs\":[\"http:\/\/statorials.org\/nl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials","description":"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/","og_locale":"de_DE","og_type":"article","og_title":"SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials","og_description":"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.","og_url":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/","og_site_name":"Statorials","article_published_time":"2023-07-10T11:00:23+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.png"}],"author":"Dr.benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Verfasst von":"Dr.benjamin anderson","Gesch\u00e4tzte Lesezeit":"2\u00a0Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/","url":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/","name":"SAS: gemiddelden uitzetten met standaardfoutbalken - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/nl\/#website"},"datePublished":"2023-07-10T11:00:23+00:00","dateModified":"2023-07-10T11:00:23+00:00","author":{"@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219"},"description":"In deze tutorial wordt aan de hand van een voorbeeld uitgelegd hoe u gemiddelde waarden kunt plotten met standaardfoutbalken in SAS.","breadcrumb":{"@id":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/#breadcrumb"},"inLanguage":"de","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/nl\/sas-plot-betekent-met-standaard-foutbalken\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Thuis","item":"https:\/\/statorials.org\/nl\/"},{"@type":"ListItem","position":2,"name":"Sas: gemiddelden uitzetten met standaardfoutbalken"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/nl\/#website","url":"https:\/\/statorials.org\/nl\/","name":"Statorials","description":"Uw gids voor statistische competentie","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/nl\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"de"},{"@type":"Person","@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219","name":"Dr.benjamin anderson","image":{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/","url":"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr.benjamin anderson"},"description":"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. Ik heb uitgebreide ervaring en expertise op het gebied van statistiek en ik ben vastbesloten om mijn kennis te delen met studenten via Statorials. Lees verder","sameAs":["http:\/\/statorials.org\/nl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts\/4520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/comments?post=4520"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts\/4520\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/media?parent=4520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/categories?post=4520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/tags?post=4520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}