{"id":305,"date":"2014-10-12T21:45:00","date_gmt":"2014-10-12T19:45:00","guid":{"rendered":"http:\/\/wordpress.callac.online\/index.php\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/"},"modified":"2023-10-14T20:14:34","modified_gmt":"2023-10-14T18:14:34","slug":"graphiques-dun-echantillon-dune-loi-binomiale-avec-r","status":"publish","type":"page","link":"https:\/\/wordpress.callac.online\/index.php\/logiciels-mathematiques\/le-logiciel-r\/la-loi-binomiale-avec-r\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/","title":{"rendered":"Graphiques d&rsquo;un \u00e9chantillon d&rsquo;une loi binomiale avec R"},"content":{"rendered":"<h2>Pr\u00e9sentation<\/h2>\n<p>Pour une loi binomiale de param\u00e8tres (n ; p), on r\u00e9alise un \u00e9chantillon de taille choisie.<\/p>\n<p>Pour cela, on modifie les premi\u00e8res lignes du script suivant.<\/p>\n<p>En sortie,le script :<br \/>\n&#8211; affiche les tableaux<br \/>\n&#8211; cr\u00e9e les diagrammes en b\u00e2tons des effectifs et des fr\u00e9quences.<\/p>\n<h2>Le script<\/h2>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#---------------------------- \u00e0 modifier\ntailleEchantillon&lt;-1000\nn&lt;-20\np&lt;-0.6\n\n\n# Cr\u00e9ation de l'\u00e9chantillon\nx&lt;-0:n\nechantillon&lt;-rbinom(tailleEchantillon,n,p)\n\ntabEffectifs&lt;-NULL\nfor (i in x)  {tabEffectifs&lt;-c(tabEffectifs,length(echantillon[echantillon==i]))}\n\n# Affichage du tableau des effectifs\n\nprint(\"Tableau des effectifs\")\nprint(table(echantillon,deparse.level=2))\n\n\n############################################################################\n# Diagramme des effectifs\n############################################################################\n\n# Cr\u00e9ation des textes du graphique\n\ntexteLegende1&lt;-bquote(p == .(p))\ntexteTitre1&lt;-paste(\"Loi binomiale\", \"\\n\"\n                  , \"n = \", bquote( .(n)) , \"\\n\"                   \n                  ,\"Taille de l'\u00e9chantillon : \",bquote( .(tailleEchantillon)), \"\\n\")\n\n# Cr\u00e9ation du graphique des effectifs\n\nbarplot(tabEffectifs,las=1,names.arg=x,col=\"blue\"\n        ,ylim=c(0,(tailleEchantillon\/4)),legend.text=texteLegende1,main=texteTitre1\n        ,xlab=\"k\",ylab=\"Effectifs\",cex.main=1)\n\n############################################################################\n# Diagramme des fr\u00e9quences\n############################################################################\n\n\n# Cr\u00e9ation du tableau des fr\u00e9quences\n\ntabFrequences&lt;-tabEffectifs\/tailleEchantillon\n\n# Cr\u00e9ation des textes du graphique\n\ntexteLegende2&lt;-bquote(p == .(p))\ntexteTitre2&lt;-paste(\"Loi binomiale\", \"\\n\"\n                  , \"n = \", bquote( .(n)) , \"\\n\"                   \n                  ,\"Taille de l'\u00e9chantillon : \",bquote( .(tailleEchantillon)), \"\\n\")\n\n# Cr\u00e9ation du graphique des effectifs\n\nbarplot(tabFrequences,las=1,names.arg=x,col=\"red\"\n        ,ylim=c(0,0.25),legend.text=texteLegende2,main=texteTitre2\n        ,xlab=\"k\",ylab=\"Densit\u00e9s\",cex.main=1)<\/pre>\n<p>Dans la console, on a :<\/p>\n<p><code><br \/>\n[1] \"Tableau des effectifs\"<br \/>\nechantillon<br \/>\n4   5   6   7   8   9  10  11  12  13  14  15  16  17  18<br \/>\n1   6   5  15  39  69 118 171 164 161 132  68  30  18   3<br \/>\n<\/code><\/p>\n<p>On a les graphiques :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" aligncenter size-full wp-image-920\" src=\"http:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_02.png\" alt=\"loi_binomiale_02.png\" width=\"579\" height=\"360\" align=\"center\" srcset=\"https:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_02.png 579w, https:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_02-300x187.png 300w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" aligncenter size-full wp-image-921\" src=\"http:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_03.png\" alt=\"loi_binomiale_03.png\" width=\"579\" height=\"360\" align=\"center\" srcset=\"https:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_03.png 579w, https:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_03-300x187.png 300w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation Pour une loi binomiale de param\u00e8tres (n ; p), on r\u00e9alise un \u00e9chantillon de taille choisie. Pour cela, on modifie les premi\u00e8res lignes du script suivant. En sortie,le script&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2083,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-305","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Graphiques d&#039;un \u00e9chantillon d&#039;une loi binomiale avec R - Maths &amp; Num\u00e9rique<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wordpress.callac.online\/index.php\/logiciels-mathematiques\/le-logiciel-r\/la-loi-binomiale-avec-r\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Graphiques d&#039;un \u00e9chantillon d&#039;une loi binomiale avec R - Maths &amp; Num\u00e9rique\" \/>\n<meta property=\"og:description\" content=\"Pr\u00e9sentation Pour une loi binomiale de param\u00e8tres (n ; p), on r\u00e9alise un \u00e9chantillon de taille choisie. Pour cela, on modifie les premi\u00e8res lignes du script suivant. En sortie,le script&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wordpress.callac.online\/index.php\/logiciels-mathematiques\/le-logiciel-r\/la-loi-binomiale-avec-r\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Maths &amp; Num\u00e9rique\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-14T18:14:34+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/wordpress.callac.online\/wp-content\/uploads\/2014\/10\/png_loi_binomiale_02.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/wordpress.callac.online\/index.php\/logiciels-mathematiques\/le-logiciel-r\/la-loi-binomiale-avec-r\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/\",\"url\":\"https:\/\/wordpress.callac.online\/index.php\/logiciels-mathematiques\/le-logiciel-r\/la-loi-binomiale-avec-r\/graphiques-dun-echantillon-dune-loi-binomiale-avec-r\/\",\"name\":\"Graphiques d'un \u00e9chantillon d'une loi binomiale avec R - Maths &amp; 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