Blog Archives

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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An xpd-tion into R plot margins

November 20, 2014
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An xpd-tion into R plot margins

This is a guest post by Prasad Patil that answers the question: how to put a shape in the margin of an R plot? The help page for R's par() function is a somewhat impenetrable list of abbreviations that allow you to manipulate anything and everything in the plotting device. You may have used this function in the past to create an...

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Where do I start using Bioconductor?

October 15, 2014
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Where do I start using Bioconductor?

I was recently asked where do I get started with Bioconductor? and thought this would be a good short post. What is BioC? Briefly, Bioconductor (Gentleman, Carey, Bates, and others, 2004) is an open source project that hosts a wide range of tools for...

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Concerns that can deter potential orders for developing Shiny apps

June 10, 2014
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Concerns that can deter potential orders for developing Shiny apps

A few weeks ago I was invited to a meeting where a group was interested in exploring options for replacing their contract with a propriety software. They invited me because they saw some resemblances between a Shiny application I made and the features ...

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Simple mortgage calculator

April 22, 2014
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Simple mortgage calculator

Have you ever thought of borrowing some money? A common case is when you have to borrow money for buying a house, which is called a mortgage. Wikipedia ('Mortgage loan' entry) goes into much more detail about the definition than what I'll cover. One o...

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rMaps Mexico map

February 26, 2014
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rMaps Mexico map

It's exciting when great people help each other get things done This is a simple networking story, which not be surprising to some but I was happily surprised by it. This is how the story goes: Two weeks ago rMaps (Vaidyanathan, 2014) was released. After making a

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Automatically coloring your R output in the terminal using colorout

February 17, 2014
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Automatically coloring your R output in the terminal using colorout

Thanks to Alyssa Frazee I just learned about the colorout package (Aquino, 2013). It modifies R so that the output is in different colors, making it much more pleasant to use R in the terminal. Do note that colorout is not available from CRAN, but...

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rMaps released

February 10, 2014
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rMaps released

Ramnath Vaidyanathan just released his new R interactive package, rMaps (Vaidyanathan, 2014). The packages relies on the development version of his widely known rCharts package (Vaidyanathan, 2013) as well as javascript libraries...

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How to upload files to Dropbox and Google Docs from R

February 5, 2014
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How to upload files to Dropbox and Google Docs from R

Have you ever wondered whether you can upload files from R to Dropbox and/or Google Docs? I recently asked myself this question while making my most recent Shiny app (more later). The answer is yes, you can upload files from R to these cloud services! Dropbox As far as I know, the best R package for uploading files to...

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Creating awesome reports for multiple audiences using knitrBootstrap

December 10, 2013
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Creating awesome reports for multiple audiences using knitrBootstrap

As a biostatistics student, I use R very frequently when analyzing data. At the same time, I interact with other researchers, some who know how to use R (R crowd) and some who don't (yet!): no-R crowd. This means that I have to be able to communicate my results to two crowds. It is important that I can quickly...

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