Tag - Running

R Fundamentals: Building a Simple Grade Calculator

In this tutorial, we'll teach you the basics of R by building a simple grade calculator. While we do not assume any R-specific knowledge, you should be familiar with general programming concepts. comments By Jeffrey M Li, Dataquest R is one of the mo...

Reactive shiny filters through collapsible d3js trees

Guest post by Jonathan Sidi, Metrum Research Group Overview D3js is a great tool to visualize complex data in a dynamic way. But how can the visualization be part of the natural workflow? Creating new reactive elements through the integration of Shin...

Those “other” apply functions…

Share Tweet So you know lapply, sapply, and apply…but…what about rapply, vapply, or eapply? These are generally a little less known as far as the apply family of functions in R go, so this post will explore how they work. rapply Let’s start with rapp...

Use R to write multiple tables to a single Excel file

Share Tweet The possibility of saving several tables in a single file is a nice feature of Excel. When sharing results with colleagues, it might be useful to compact everything in a single file. As a bioinformatician, I am too lazy to do that manuall...