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Function of the day

Construct the path to a file from components in a platform-independent way.

Package of the day

This package implements a data structure similar to hashes in Perl and dictionaries in Python but with a purposefully R flavor. For objects of appreciable size, access using hashes outperforms native named lists and vectors.

Question of the day

On general request, a community wiki on producing latex tables in R. In this post I'll give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R.

Recent blog posts

11 hours 21 min ago
by Michele UsuelliMicrosoft Data Scientist Azure Machine Learning Studio is a drag-and-drop tool to deploy data-driven solutions. It contains pre-built items including data preparation tools and Machine Learning algorithms. In addition, it allows to include R and Python custom scripts.
1 day 12 hours ago
Powerpoint is a powerful application for creating presentations, and allows you to include all sorts of text, pictures, animations and interactivity to create a compelling story. Most of the time you'll use the Powerpoint application to create slides, but if you want to include data and/or charts in your slides, in the interests of reproducibility you may want to automate the slide creation process.
4 days 5 hours ago
Jamie Raines was born a girl, but at age 18 he began a three-year journey to transform his body to match his identity with hormone therapy. Every day Jamie took a selfie to document the change, and the dramatic transformation is shown in this time-lapse video:  

Featured How To

The following list of data sources has been modified as of 3/18/14. Most of the data sets listed below are free, however, some are not.