{"id":3293,"date":"2017-05-23T18:02:09","date_gmt":"2017-05-23T16:02:09","guid":{"rendered":"https:\/\/geekosas.com\/?p=3293"},"modified":"2026-05-23T18:02:58","modified_gmt":"2026-05-23T16:02:58","slug":"userchile-5-27-2017","status":"publish","type":"post","link":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/userchile-5-27-2017\/","title":{"rendered":"useRchile 5\/27\/2017"},"content":{"rendered":"<p>My presentation on predictive models for prepaid mobile telephony at <a href=\"https:\/\/www.meetup.com\/useRchile\/\">userRchile<\/a>.  <\/p>\n<p><a href=\"https:\/\/youtu.be\/oXNsGEOPSys\">https:\/\/youtu.be\/oXNsGEOPSys<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>My presentation on predictive models for prepaid mobile telephony at userRchile. https:\/\/youtu.be\/oXNsGEOPSys<\/p>\n<\/div>","protected":false},"author":1,"featured_media":2137,"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_feature_clip_id":0,"_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},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-3293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8vjqF-R7","jetpack-related-posts":[{"id":3298,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/r-user-community-in-chile\/","url_meta":{"origin":3293,"position":0},"title":"R user community in Chile","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"There is a very active R user group on Meetup, https:\/\/www.meetup.com\/useRchile\/ which also has a Blog at http:\/\/www.userchile.cl or on their Meetup group. At each meeting, Data Scientists present and talk about their work; all videos are available on the Blog or on the Vlog (Youtube). For those who are\u2026","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/600_454793595.png?fit=600%2C200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/600_454793595.png?fit=600%2C200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/600_454793595.png?fit=600%2C200&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":3306,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/how-to-compare-the-performance-of-machine-learning-models\/","url_meta":{"origin":3293,"position":1},"title":"How to compare the performance of Machine Learning models","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"A video of this item covered in the Data Science in R Course. https:\/\/youtu.be\/sKTYMwW3A3o","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/10\/homepage-scales-min.png?fit=400%2C400&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3311,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/step-forward-attribute-selection-in-r\/","url_meta":{"origin":3293,"position":2},"title":"Step Forward Attribute Selection in R","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"I made a video in English that explains how to program a step forward attribute selection for linear regressions in R. https:\/\/www.youtube.com\/watch?v=P5ufV7ZqTUk&feature=youtu.be \u00a0","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/11\/400px-Linear_regression.svg_.png?fit=400%2C265&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3269,"url":"https:\/\/geekosas.com\/index.php\/2016\/05\/23\/playing-with-neural-networks\/","url_meta":{"origin":3293,"position":3},"title":"Playing with Neural Networks","author":"Daniel Fischer","date":"2016-05-23","format":false,"excerpt":"A few days ago I wrote about neural networks, trying to explain in a simple way how they work and why this type of technology is called \"artificial intelligence.\" The important thing about this technique and what makes it so revolutionary is the concept of training, but it is often\u2026","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/tensorflow.png?fit=1200%2C715&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/tensorflow.png?fit=1200%2C715&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/tensorflow.png?fit=1200%2C715&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/tensorflow.png?fit=1200%2C715&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/tensorflow.png?fit=1200%2C715&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3300,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/data-science-course-in-r\/","url_meta":{"origin":3293,"position":4},"title":"Data Science course in R","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"On October 20, I will teach a Data Science course using R. The topics covered will be: Data Cleaning Supervised classification models: Logistic regression. Naive Bayes. Trees and Random Forest. Neural Networks. Grid Search (hyperparameter tuning). Evaluation of classification models. Unsupervised models: Dimensionality Reduction (PCA) -> Applied example of replicating\u2026","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/Rprogramming.jpg?fit=1176%2C664&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/Rprogramming.jpg?fit=1176%2C664&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/Rprogramming.jpg?fit=1176%2C664&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/Rprogramming.jpg?fit=1176%2C664&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/09\/Rprogramming.jpg?fit=1176%2C664&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3262,"url":"https:\/\/geekosas.com\/index.php\/2016\/05\/23\/arduino-2\/","url_meta":{"origin":3293,"position":5},"title":"Arduino","author":"Daniel Fischer","date":"2016-05-23","format":false,"excerpt":"It's hard to start this article. I've been playing with my new Arduino Starter Kit for a few days, and I think the best way to define it is: an electronic Lego. An excellent toy for those who enjoyed the blocks years ago. Arduino is a microcontroller easily programmable from\u2026","rel":"","context":"In &quot;Sin categor\u00eda&quot;","block_context":{"text":"Sin categor\u00eda","link":"https:\/\/geekosas.com\/index.php\/category\/sin-categoria\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/ardr3a.jpg?fit=1200%2C829&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/ardr3a.jpg?fit=1200%2C829&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/ardr3a.jpg?fit=1200%2C829&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/ardr3a.jpg?fit=1200%2C829&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/04\/ardr3a.jpg?fit=1200%2C829&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/11\/RStudio-Ball.png?fit=1000%2C1000&ssl=1","_links":{"self":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/comments?post=3293"}],"version-history":[{"count":2,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3293\/revisions"}],"predecessor-version":[{"id":3295,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3293\/revisions\/3295"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/media\/2137"}],"wp:attachment":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/media?parent=3293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/categories?post=3293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/tags?post=3293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}