{"id":3311,"date":"2017-05-23T18:17:10","date_gmt":"2017-05-23T16:17:10","guid":{"rendered":"https:\/\/geekosas.com\/?p=3311"},"modified":"2026-05-23T18:17:38","modified_gmt":"2026-05-23T16:17:38","slug":"step-forward-attribute-selection-in-r","status":"publish","type":"post","link":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/step-forward-attribute-selection-in-r\/","title":{"rendered":"Step Forward Attribute Selection in R"},"content":{"rendered":"<p>I made a video in English that explains how to program a step forward attribute selection for linear regressions in R.<br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=P5ufV7ZqTUk&amp;feature=youtu.be\">https:\/\/www.youtube.com\/watch?v=P5ufV7ZqTUk&#038;feature=youtu.be<\/a><br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>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&#038;feature=youtu.be &nbsp;<\/p>\n<\/div>","protected":false},"author":1,"featured_media":2261,"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_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-3311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2017\/11\/400px-Linear_regression.svg_.png?fit=400%2C265&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8vjqF-Rp","jetpack-related-posts":[{"id":3321,"url":"https:\/\/geekosas.com\/index.php\/2018\/05\/23\/separate-effects-and-cohort-analysis\/","url_meta":{"origin":3311,"position":0},"title":"Separate Effects and Cohort Analysis","author":"Daniel Fischer","date":"2018-05-23","format":false,"excerpt":"In subscription businesses (Newspapers, Cell Phones, Insurance, etc...), the business is always the same: acquire a customer and then receive cash flows associated with a service provided by the company. The day the customer cancels the service is called CHURN, and the customer becomes inactive, suspending both revenue and service.\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\/www.geekosas.com\/wp-content\/uploads\/2018\/06\/pressent-value.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2018\/06\/pressent-value.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2018\/06\/pressent-value.png?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2018\/06\/pressent-value.png?resize=700%2C400 2x"},"classes":[]},{"id":3339,"url":"https:\/\/geekosas.com\/index.php\/2019\/05\/23\/gender-pay-gap-in-technology\/","url_meta":{"origin":3311,"position":1},"title":"Gender Pay Gap in Technology","author":"Daniel Fischer","date":"2019-05-23","format":false,"excerpt":"The Gender Pay Gap is the difference that exists on average in the salaries of Men vs. Women. Today there are people who attribute this to discrimination, while others say it is due to the decisions that men on average make versus those of women. Since both opinions have merit,\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\/2019\/02\/GenderPayGap-201803070107196681-20180404082357920.jpg?fit=619%2C413&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2019\/02\/GenderPayGap-201803070107196681-20180404082357920.jpg?fit=619%2C413&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2019\/02\/GenderPayGap-201803070107196681-20180404082357920.jpg?fit=619%2C413&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":3243,"url":"https:\/\/geekosas.com\/index.php\/2026\/05\/09\/comparison-between-julia-python-and-r\/","url_meta":{"origin":3311,"position":2},"title":"Comparison between Julia, Python, and R","author":"Daniel Fischer","date":"2026-05-09","format":false,"excerpt":"The discussion about which language is best for data analysis can lead to conversations more passionate than topics like religion or politics. But as Data Scientists we must focus on empirical evidence; the dimensions for comparison are many: Community, Performance, Editors, Package Manager, Code Encapsulation, etc. I have evaluated several\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\/2019\/09\/external-content.duckduckgo.com_.jpg?fit=474%2C312&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3304,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/r-vs-ms-open-r-2\/","url_meta":{"origin":3311,"position":3},"title":"R vs MS open R","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"Microsoft has realized the power of R, so it has integrated it into its systems, including Power BI and SQL Server 2017. Microsoft released a free version of R with some improvements, including native SQL Server connection, package versioning in MRAN (Microsoft Cran), and optimizations in the linear algebra package.\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\/www.geekosas.com\/wp-content\/uploads\/2017\/10\/lm-1024x932.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2017\/10\/lm-1024x932.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2017\/10\/lm-1024x932.png?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.geekosas.com\/wp-content\/uploads\/2017\/10\/lm-1024x932.png?resize=700%2C400 2x"},"classes":[]},{"id":3296,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/i-will-teach-an-r-course\/","url_meta":{"origin":3311,"position":4},"title":"I will teach an R course.","author":"Daniel Fischer","date":"2017-05-23","format":false,"excerpt":"The course will be at Microsoft Chile on September 22: The R Intensive is an event designed for those who have data analysis and modeling needs in their work and want to gain in 1 day the theoretical and practical knowledge to start solving their analytical challenges with this tool.\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\/11\/RStudio-Ball.png?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/11\/RStudio-Ball.png?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/11\/RStudio-Ball.png?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/geekosas.com\/wp-content\/uploads\/2016\/11\/RStudio-Ball.png?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3300,"url":"https:\/\/geekosas.com\/index.php\/2017\/05\/23\/data-science-course-in-r\/","url_meta":{"origin":3311,"position":5},"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":[]}],"_links":{"self":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3311","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=3311"}],"version-history":[{"count":1,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3311\/revisions"}],"predecessor-version":[{"id":3312,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/posts\/3311\/revisions\/3312"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/media\/2261"}],"wp:attachment":[{"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/media?parent=3311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/categories?post=3311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geekosas.com\/index.php\/wp-json\/wp\/v2\/tags?post=3311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}