1177 search results for "RSTUDIO"

Use hidden advanced arguments for user-friendly functions

December 10, 2014
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Use hidden advanced arguments for user-friendly functions

As a user Imagine that you are starting to learn how to use a specific R package, lets call it foo. You will look at the vignette (if there is one), use help(package = foo), or look at the reference manual (for example, devtools' ref man). Eventually, you will open the help page for the function(s) you are interested...

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Set up R/Stan on Amazon EC2

December 10, 2014
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A few months ago I posted the script that I use to set up my R/JAGS working environment on an Amazon EC2 instance.Since then I've largely transitioned to using R/Stan to estimate my models. So, I've updated my setup script (see below). There are a few...

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Tim Bowles on multivariate stats with vegan

December 9, 2014
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Today, Tim Bowles gave this presentation on the vegan package to the Davis R Users’ Group. The screencast and slides are below. You can also download Tim’s RStudio project with all the code, data, figures, and slides presented here. Thanks to Tim for a great session!

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tidyr 0.2.0 (and reshape2 1.4.1)

December 8, 2014
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tidyr 0.2.0 (and reshape2 1.4.1)

tidyr 0.2.0 is now available on CRAN. tidyr makes it easy to “tidy” your data, storing it in a consistent form so that it’s easy to manipulate, visualise and model. Tidy data has variables in columns and observations in rows, and is described in more detail in the tidy data vignette. Install tidyr with: install.packages("tidyr")

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Visualize Prospect Theory

December 5, 2014
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Visualize Prospect Theory

Cool Prospect Theory Visualizer draws the curves for you. The post Visualize Prospect Theory appeared first on Decision Science News.

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The Good oL’ Titanic Kaggle Competition pt. 1

December 5, 2014
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The Good oL’ Titanic Kaggle Competition pt. 1

After that I began playing around with logistic regression. So far, none of my attempts at logistic regression have improved my score but I have some ideas for tomorrow (already reached my submission limit for today). I do realize now that I need to have a plan with my logistic regression models, I need to determine which features have...

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New features in jsonlite 0.9.14

December 4, 2014
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New features in jsonlite 0.9.14

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web. This week version 0.9.14 appeared on CRAN which adds some handy new features. Significant Digits By defaul...

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dplyr – some more reflections

December 4, 2014
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Yesterday, I published a post here on DataScience.LA with a simple/basic benchmark for dplyr. It...

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magrittr 1.5

December 1, 2014
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2014-12-02 22_48_10-Clipboard

(Posted on behalf of Stefan Milton Bache) Sometimes it’s the small things that make a big difference. For me, the introduction of our awkward looking friend, %>%, was one such little thing. I’d never suspected that it would have such an impact on the way quite a few people think and write R (including my

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CRAN Task Views for Finance and HPC now (also) on GitHub

November 28, 2014
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The CRAN Task View system is a fine project which Achim Zeileis initiated almost a decade ago. It is described in a short R Journal article in Volume 5, Number 1. I have been editor / maintainer of the Finance task view essentially since the very beginning of these CRAN Task Views, and...

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