{"id":2131,"date":"2017-01-05T11:26:29","date_gmt":"2017-01-05T10:26:29","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=2131"},"modified":"2019-06-27T14:24:08","modified_gmt":"2019-06-27T12:24:08","slug":"l-esperance-ecart-type","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/l-esperance-ecart-type\/","title":{"rendered":"Lesson 23 : Expectation \u2013 Standard deviation"},"content":{"rendered":"<p><em>You will have to modify a model throughout this lesson. You may already download the base model. Once you reach slide 6, you will have to pause the slideshow, open GAMS and modify the model before you watch the rest of the slides.<\/em><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\"><strong>1) Theory and numeric example<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"120\">\n<h6><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <a href=\"http:\/\/www.supagro.fr\/ModelEco\/en\/video\/L23_video1.mp4\" rel=\"attachment wp-att-949\"> <img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/05\/video.png\" alt=\"video\" width=\"59\" height=\"67\" \/><\/a><\/strong>(4 min)<strong><br \/>\n<\/strong><\/h6>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\"><strong>2) Modify the model in GAMS on your own<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li>open GAMS<\/li>\n<li>run the model <a href=\"http:\/\/www.supagro.fr\/ModelEco\/en\/modeles\/modelEco_primal0_risk_base.zip\">primal0_risk_base.gms<\/a><\/li>\n<li>modify the model on your own by introducing the risk factor as an expectation-standard deviation with phi=0.5<\/li>\n<li>you may use various values of phi and observe the results<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\" colspan=\"2\"><strong>3) Watch the detailed answer<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"120\">\n<h6><\/h6>\n<h6><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em> <a href=\"http:\/\/www.supagro.fr\/ModelEco\/en\/video\/L23_video2.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/05\/video.png\" alt=\"video\" width=\"59\" height=\"67\" \/><\/a><em>(6 min)<\/em><\/h6>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If you did not succeed in modifying the model yourself once you watched the correction, you may download the correction :\u00a0<a href=\"http:\/\/www.supagro.fr\/ModelEco\/en\/modeles\/modelEco_primal0_risk_standardDeviation.zip\">primal0_risk_standardDeviation.gms<\/a><\/p>\n<p><strong><a href=\"http:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4121 alignright\" src=\"http:\/\/www.supagro.fr\/wordpress\/modelecoen\/files\/2018\/11\/backUnit.png\" alt=\"\" width=\"211\" height=\"66\" \/><\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>You will have to modify a model throughout this lesson. You may already download the base model. Once you reach slide 6, you will have to pause the slideshow, open GAMS and modify the model before you watch the rest <a class=\"more-link\" href=\"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/l-esperance-ecart-type\/\">Continue reading <span class=\"screen-reader-text\">  Lesson 23 : Expectation \u2013 Standard deviation<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":705,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2131","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/2131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/comments?post=2131"}],"version-history":[{"count":24,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/2131\/revisions"}],"predecessor-version":[{"id":4626,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/2131\/revisions\/4626"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/705"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/media?parent=2131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}