{"id":4798,"date":"2019-06-13T15:10:45","date_gmt":"2019-06-13T13:10:45","guid":{"rendered":"https:\/\/app.lib.uliege.be\/alma\/?p=4798"},"modified":"2019-07-03T11:34:08","modified_gmt":"2019-07-03T09:34:08","slug":"generer-un-echantillon-aleatoire-de-references-dans-analytics","status":"publish","type":"post","link":"https:\/\/services.lib.uliege.be\/alma\/generer-un-echantillon-aleatoire-de-references-dans-analytics\/","title":{"rendered":"G\u00e9n\u00e9rer un \u00e9chantillon al\u00e9atoire de r\u00e9f\u00e9rences dans Analytics"},"content":{"rendered":"<p>Voici comment obtenir un \u00e9chantillon al\u00e9atoire de r\u00e9f\u00e9rences dans Analytics.<\/p>\n<p>Nous commen\u00e7ons cet exemple \u00e0 partir d&rsquo;un rapport existant. Celui-ci affiche les titres, auteurs et codes-barres de tous les exemplaires de la biblioth\u00e8que Alpha-Germanique cr\u00e9\u00e9s ces 365 derniers jours.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4805 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random1.png\" alt=\"\" width=\"560\" height=\"239\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random1.png 560w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random1-300x128.png 300w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/p>\n<p>Admettons que l&rsquo;on souhaite afficher de mani\u00e8re al\u00e9atoire 10 exemplaires parmi les plus de 1000 r\u00e9sultats disponibles. Cela se fait en deux \u00e9tapes :<\/p>\n<p>1) Cr\u00e9ez une nouvelle colonne de toute pi\u00e8ce. Pour cela ajoutez n&rsquo;importe quelle colonne dans votre analyse et \u00e9ditez la via un clic gauche &gt; \u00ab\u00a0Edit Formula\u00a0\u00bb.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4793 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3.png\" alt=\"\" width=\"591\" height=\"198\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3.png 591w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3-300x101.png 300w\" sizes=\"auto, (max-width: 591px) 100vw, 591px\" \/><\/p>\n<p>En lieu et place de la formule existante, tapez \u00ab\u00a0rand()\u00a0\u00bb et modifiez les intitul\u00e9s de colonne et de dossier (utilisez l&rsquo;intitul\u00e9 \u00ab\u00a0Random\u00a0\u00bb pour plus de lisibilit\u00e9).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4794 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random4.png\" alt=\"\" width=\"799\" height=\"531\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random4.png 799w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random4-300x199.png 300w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random4-768x510.png 768w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><\/p>\n<p>Veillez \u00e0 mettre cette colonne en premier dans la liste des \u00ab\u00a0Selected columns\u00a0\u00bb afin que le tri des r\u00e9f\u00e9rences se fasse sur cette derni\u00e8re.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4792 size-full\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3.5.png\" alt=\"\" width=\"393\" height=\"175\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3.5.png 393w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random3.5-300x134.png 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/p>\n<p>La colonne appara\u00eet dans les r\u00e9sultats. Analytics y g\u00e9n\u00e8re al\u00e9atoirement des valeurs comprises entre 0 et 1.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4795 size-full\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random5.png\" alt=\"\" width=\"700\" height=\"379\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random5.png 700w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random5-300x162.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>Vous pouvez d\u00e9sormais masquer cette colonne de l&rsquo;affichage car elle ne pr\u00e9sente aucune information pertinente pour l&rsquo;utilisateur.<\/p>\n<p>2) Cr\u00e9ez un filtre de toute pi\u00e8ce. Pour cela, ajoutez n&rsquo;importe quel filtre via la fonction \u00ab\u00a0Create a filter for the current subject area\u00a0\u00bb puis \u00e9ditez le.&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4796 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random6.png\" alt=\"\" width=\"742\" height=\"121\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random6.png 742w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random6-300x49.png 300w\" sizes=\"auto, (max-width: 742px) 100vw, 742px\" \/><\/p>\n<p>Remplacez l&rsquo;intitul\u00e9 de la colonne par RCOUNT(1) et indiquez les param\u00e8tres suivants : is less than or equal to 10.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4797 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random7.png\" alt=\"\" width=\"359\" height=\"316\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random7.png 359w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random7-300x264.png 300w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/p>\n<p>Ce faisant, Analytics va trier de mani\u00e8re implicite l&rsquo;ensemble des r\u00e9sultats en fonction de la valeur al\u00e9atoire de la colonne \u00ab\u00a0random\u00a0\u00bb et n&rsquo;en conserver que les 10 premiers.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4787 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random8.png\" alt=\"\" width=\"708\" height=\"326\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random8.png 708w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random8-300x138.png 300w\" sizes=\"auto, (max-width: 708px) 100vw, 708px\" \/><\/p>\n<p>Vous pouvez bien entendu modifier la valeur de votre filtre pour ne conserver que les 50 &#8211; 100 &#8211; 500 &#8211; &#8230; premiers r\u00e9sultats.<\/p>\n<p>A ce stade vous pouvez g\u00e9n\u00e9rer d&rsquo;autres set manuellement en \u00e9ditant la formule de la colonne \u00ab\u00a0Random\u00a0\u00bb.<\/p>\n<p>Exemple :<\/p>\n<p><em>rand(1)<\/em><br><em>rand(2)<\/em><br><em>&#8230;<\/em><\/p>\n<p>Chacune g\u00e9n\u00e9rera un set diff\u00e9rent.<\/p>\n<p>Mais vous pouvez \u00e9galement automatiser cette op\u00e9ration en appliquant la formule suivante : rand(minute(now())*60 + second(now()))<\/p>\n<p>Celle-ci va g\u00e9n\u00e9rer une valeur qui sera calcul\u00e9e en fonction de la minute et de la seconde durant lesquelles le rapport sera lanc\u00e9 soit un total de 3600 combinaisons possibles. La probabilit\u00e9 de tomber deux fois sur un m\u00eame set est quasi nulle puisqu&rsquo;il faudrait pour cela relancer le m\u00eame rapport \u00e0 la m\u00eame minute et \u00e0 la m\u00eame seconde avec x heure(s) de d\u00e9calage.<\/p>\n<p>Ensuite, cliquez sur le bouton \u00ab\u00a0Refresh\u00a0\u00bb depuis le mode d\u2019\u00e9dition ou depuis le mode de consultation pour g\u00e9n\u00e9rer ind\u00e9finiment des sets diff\u00e9rents.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4788 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random9.png\" alt=\"\" width=\"687\" height=\"365\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random9.png 687w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random9-300x159.png 300w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4809 aligncenter\" src=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random10.png\" alt=\"\" width=\"915\" height=\"219\" srcset=\"https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random10.png 915w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random10-300x72.png 300w, https:\/\/services.lib.uliege.be\/alma\/wp-content\/uploads\/2019\/06\/random10-768x184.png 768w\" sizes=\"auto, (max-width: 915px) 100vw, 915px\" \/><\/p>\n<p>Ce how to a \u00e9t\u00e9 r\u00e9dig\u00e9 gr\u00e2ce \u00e0 l&rsquo;expertise et aux conseils de Michael Johnson de la \u00ab\u00a0University of Minnesota Libraries\u00a0\u00bb<\/p>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voici comment obtenir un \u00e9chantillon al\u00e9atoire de r\u00e9f\u00e9rences dans Analytics. Nous commen\u00e7ons cet exemple \u00e0 partir d&rsquo;un rapport existant. Celui-ci affiche les titres, auteurs et codes-barres de tous les exemplaires de la biblioth\u00e8que Alpha-Germanique cr\u00e9\u00e9s ces 365 derniers jours. Admettons que l&rsquo;on souhaite afficher de mani\u00e8re al\u00e9atoire 10 exemplaires parmi&#8230; <a href=\"https:\/\/services.lib.uliege.be\/alma\/generer-un-echantillon-aleatoire-de-references-dans-analytics\/\" class=\"readmore\">Lire l&#039;int\u00e9gralit\u00e9&#8230;<span class=\"screen-reader-text\">G\u00e9n\u00e9rer un \u00e9chantillon al\u00e9atoire de r\u00e9f\u00e9rences dans Analytics<\/span><span class=\"fa fa-angle-double-right\" aria-hidden=\"true\"><\/span><\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,1],"tags":[101],"class_list":["post-4798","post","type-post","status-publish","format-standard","hentry","category-analytics","category-non-classe","tag-formules","content-layout-excerpt-thumb"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7rJUv-1fo","_links":{"self":[{"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/posts\/4798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/comments?post=4798"}],"version-history":[{"count":17,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/posts\/4798\/revisions"}],"predecessor-version":[{"id":4845,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/posts\/4798\/revisions\/4845"}],"wp:attachment":[{"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/media?parent=4798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/categories?post=4798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/services.lib.uliege.be\/alma\/wp-json\/wp\/v2\/tags?post=4798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}