{"id":219,"date":"2004-03-20T13:09:38","date_gmt":"2004-03-20T17:09:38","guid":{"rendered":"http:\/\/shermandorn.com\/wordpress\/?p=219"},"modified":"2004-03-20T13:09:38","modified_gmt":"2004-03-20T17:09:38","slug":"simplify-simplify","status":"publish","type":"post","link":"https:\/\/shermandorn.com\/?p=219","title":{"rendered":"Simplify, simplify!"},"content":{"rendered":"<p>Today, I figured out how to simplify the explanation of the net-flow rate.  It makes no real difference either in calculations or in the complexity of the spreadsheet, but it&#8217;ll reduce the difficulty of explaining it to non-demographers.<\/p>\n<p>Here&#8217;s the gist:  the increase in enrollment for grades x on up between any two points in time is equal to<\/p>\n<ul>\n<li>the number of those who enroll in grade x for the first time between those two points\n<li><strong>minus<\/strong>\n<li>those who graduate between the two points\n<li><strong>plus<\/strong>\n<li>those who enter for all other reasons (moving into an area, transferring from other schools, returning to school)\n<li><strong>minus<\/strong>\n<li>those who leave for all other reasons (moving away, transferring to other schools, dying, dropping out).<\/ul>\n<p>The last two terms can be collected as residual net flow, can be estimated, and then from cumulative raw numbers, you can infer grade-specific raw net-flow numbers (and thus rates).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today, I figured out how to simplify the explanation of the net-flow rate. It makes no real difference either in calculations or in the complexity of the spreadsheet, but it&#8217;ll reduce the difficulty of explaining it to non-demographers. Here&#8217;s the gist: the increase in enrollment for grades x on up between any two points in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4],"tags":[],"class_list":["post-219","post","type-post","status-publish","format-standard","hentry","category-research"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pag0MB-3x","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/shermandorn.com\/index.php?rest_route=\/wp\/v2\/posts\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shermandorn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shermandorn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shermandorn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shermandorn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=219"}],"version-history":[{"count":0,"href":"https:\/\/shermandorn.com\/index.php?rest_route=\/wp\/v2\/posts\/219\/revisions"}],"wp:attachment":[{"href":"https:\/\/shermandorn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shermandorn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shermandorn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}