1947 search results for "ggplot"

Textual Healing Part II

November 15, 2012
By
Textual Healing Part II

Yesterday’s post showed a number of quick coding options for changing text in a basic ggplot. Here’s another two tricks for fine-tuning faceted plots. Again, let’s load our made up data about tooth growth (a real dataset in R, ToothGr...

Read more »

Fun with R graphics: A raptor and a cake

November 15, 2012
By
Fun with R graphics: A raptor and a cake

I like to explore the graphics features of R.  Base graphics, ggplot2 are my favourites. On  other graphics packages, I haven’t used plotrix much. I am currently exploring grid package. Raptor First one is using ggplot2. (you could also do … Continue reading →The post Fun with R graphics: A raptor and a cake appeared first on...

Read more »

Textual Healing

November 14, 2012
By
Textual Healing

While I know there are several awesome guides for how to make fine-tuning adjustments to plot labels/axes/ticks/text in ggplot, this is still the most common question I get from people new to ggplot: how do I change the size/font/color/position of (som...

Read more »

Building a Simple Web App using R

November 13, 2012
By
Building a Simple Web App using R

I’ve been interested in building a web app using R for a while, but never put any time into it until I was informed of the Shiny package.  It looked too easy, so I absolutely had to try it out. First you need to install the package from the command line . options(repos=c(RStudio="http://rstudio.org/_packages", getOption("repos"))) install.packages("shiny")

Read more »

My first R GUI

November 13, 2012
By
My first R GUI

This post is a huge jump from the last two - this is not for beginners!! But if you've ever considered building a GUI in R, looked at some of the online documentation, gotten scared, and decided not to, read this!!! Ok here goes. Dorian Auto GUI Setup: I built this for a school project. The basic problem setup is from...

Read more »

The R-Podcast Episode 11: Reproducible Analysis Part 1 (Introduction)

November 13, 2012
By

Season 2 of the R-Podcast is up and running! This episode begins a multi-part series on reproducible analysis using R. In this episode I discuss the usage of Sweave and LaTeX for producing reproducible reports, an introduction to the capabilities of the knitr package (more episodes will be coming dedicated to this package), and my

Read more »

Can’t a plot catch a break(s)?

November 13, 2012
By
Can’t a plot catch a break(s)?

This post continues with the theme of how to modify plots from within ggplot; today we will specifically looking at custom axis breaks. Plots later in the week will examine the commands to change text in the plot area. The various other shortcomings o...

Read more »

Gradient Word Clouds

November 12, 2012
By
Gradient Word Clouds

I like word clouds because they are visually appealing and provide a ton of information in a small space. Ever since I saw Drew Conway’s post (LINK) I have been looking for ways to improve word clouds. One of the … Continue reading →

Read more »

Portfolio Trading

November 12, 2012
By
Portfolio Trading

In finance and investing the term portfolio refers to the collection of assets one owns. Compared to just holding a single asset at a time a portfolio has a number of potential benefits. A universe of asset holdings within the … Continue reading →

Read more »

A thermometer in R using Arduino and Java

November 11, 2012
By
A thermometer in R using Arduino and Java

A couple of weeks ago, Markus Gesmann demonstrated the feasability of connecting R and Arduino using Processing and Rserve in a nice and simple example. This actually rekindled my interest in Arduino that I hadn’t had time to satisfy… Again I will show a very easy and simple example, but this time, transferring the data between Arduino and R...

Read more »