Monthly Archives: January 2017

Introducing the VisualResume (v0.1.0) R Package

January 2, 2017
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Introducing the VisualResume (v0.1.0) R Package

Visual Resumes are cool Some years ago, during the course of one of my regular Google image searches for inspiring designs, I discovered Visual Resumes (aka. Infographic Resumes) like this one from Michael Anderson. I immediately fell in love. And of course, I quickly set out to create my own in R. The result is a new package called VisualResume....

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Understanding mixture models and expectation-maximization (using baseball statistics)

January 2, 2017
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Understanding mixture models and expectation-maximization (using baseball statistics)

Previously in this series: Understanding the beta distribution Understanding empirical Bayes estimation Understanding credible intervals Understanding the Bayesian approach to false discovery rates Understanding Bayesian A/B testing Understanding beta binomial regression Understanding empirical Bayesian hierarchical modeling In this series on empirical Bayesian methods on baseball data, we’ve been treating our overall distribution of batting averages...

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Django and R on Heroku

January 2, 2017
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I’ve been playing with Django for a while now and I’m loving it. Don’t get me wrong, I still love Shiny, but Django is pretty tough to beat for data-heavy projects and managing user sessions. For deployment, I’ve been using Heroku and am very h...

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Handling Class Imbalance with R and Caret – Caveats when using the AUC

January 2, 2017
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Handling Class Imbalance with R and Caret – Caveats when using the AUC

In my last post, I went over how weighting and sampling methods can help to improve predictive performance in the case of imbalanced classes. I also included an applied example with a simulated dataset that used the area under the ROC curve (AUC) as th...

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(lazy)Loading Cached Chunks into an Interactive R Session

January 2, 2017
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If you cache code chunks when using knitr to generate reproducible documents then you’ve likely had the issue arrise of needing to load the results of cached chunks into an active interactive R session. The functions lazyload_cache_dir and lazyload_...

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Removing Personal Bias From Flu Severity Estimation (a.k.a. Misery Loves Data)

January 2, 2017
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Removing Personal Bias From Flu Severity Estimation (a.k.a. Misery Loves Data)

The family got hit pretty hard with the flu right as the Christmas festivities started and we were all pretty much bed-ridden zombies up until today (2017-01-02). When in the throes of a very bad ILI it’s easy to imagine that you’re a victim of a severe outbreak, especially with ancillary data from others that... Continue reading →

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May the Force of R be With You, Always!

January 2, 2017
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May the Force of R be With You, Always!

With my Telegram account connected to @TeleR, the force of R can always be with me, where I have data. The following is a screenshot of my mobile: If you want to have R where you are too, you will only need a Telegram account, then search for the pu...

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Shiny Chart Builder – Explore your database with a point-and-click interface

January 2, 2017
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Shiny Chart Builder – Explore your database with a point-and-click interface

You can use R's Shiny to create an interactive dashboard with this application, make your database explorable without knowing SQL or R!

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eoda celebrates R – don’t miss the date and win!

January 2, 2017
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eoda celebrates R – don’t miss the date and win!

#Rstatsgoes10k: Join eoda in the celebration of R and take the chance to win with your prediction! The easiest way to stay up-to-date regarding the current number of R packages…

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eoda celebrates R – don’t miss the date and win!

January 2, 2017
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eoda celebrates R – don’t miss the date and win!

#Rstatsgoes10k: Join eoda in the celebration of R and take the chance to win with your prediction! The easiest way to stay up-to-date regarding the current number of R packages is to follow eoda’s automated Twitter bot @Rstatsgoes10k. This bot regularly informs its followers of the status quo so that participants of the contest will … „eoda celebrates R...

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