1786 search results for "ggplot2"

ggplot2 Pinterest

October 29, 2012
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I don’t understand the website Pinterest, but it looks pretty (especially on the iPad), and an undergraduate student said it was the greatest thing since Facebook, so I thought I would give it a shot. The idea is that Pinterest … Continue reading →

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ggmcmc – diagnostic plots for MCMC with ggplot2

October 21, 2012
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ggmcmc – diagnostic plots for MCMC with ggplot2

Xavier Fernández i Marín, who maintains the jags package on Gentoo Linux, writes to tell me he is developing the R package ggmcmc. This package is for visualizing Markov Chain Monte Carlo output using ggplot2 graphics and  should complement the … Continue reading →

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ggplot2 primer in 10 minutes

October 15, 2012
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ggplot2 primer in 10 minutes

Here’s a nice presentation from Christophe Ladroue which really does give an insight into the R package ggplot2 if you’ve never used it before. Each line of code can be clicked on to reveal the corresponding graph!

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A very quick introduction to ggplot2

October 14, 2012
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A very quick introduction to ggplot2

I gave a very brief 10mn introduction to ggplot2 at the Birmingham R user group meeting on Monday. The aim was to give a headstart to R users who’ve heard of ggplot2 but never got around to trying it. I … Continue reading →

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Simplest possible heatmap with ggplot2

September 27, 2012
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Simplest possible heatmap with ggplot2

Featuring the lovely “spectral” palette from Colorbrewer. This really just serves as a reminder of how to do four things I frequently want to do: Make a heatmap of some kind of matrix, often a square correlation matrix Reorder a factor vari...

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Automatic drug utilization reports with R and ggplot2

September 18, 2012
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Automatic drug utilization reports with R and ggplot2

This program takes a data set of drug utilisation of 4 fictional drugs in 10 fictional hospitals and plots each time-series with a locally weighted regression (Lowess) trend line. It also places an time-series trend of the usage for each … Continue reading →

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R Graphics with ggplot2

September 18, 2012
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R Graphics with ggplot2

ggplot2 is one of the most elegant R package for data analysis and visualization.  Recently I gave a tutorial on ggplot2 package.  You could find my ggplot2 notes here(click the image below). You could find my presentation slide below. The … Continue reading →The post R Graphics with ggplot2 appeared first on Fiddling with data and...

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Improved net stacked distribution graphs via ggplot2 trickery

September 13, 2012
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Improved net stacked distribution graphs via ggplot2 trickery

Net stacked distribution graphs are a nice way of comparing data on a Likert scale. It strips out the neutral responses and centers the responses around the center of the graph so you can quickly compare agreement and disagreement on different issues. Here we'll build on Jason Becker's work on doing this in ggplot2 -- it requires...

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ggplot2 0.9.2 has been released!

September 7, 2012
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ggplot2 0.9.2 has been released!

The main changes in this version are to the theming system. There are also a number of enhancements to the theming system that make it easier to modify themes and we’ve renamed a number of functions to have more informative names. Your existing code should continue to work, although you may receive warnings about functions

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Add Text Annotations to ggplot2 Faceted Plot (an easier approach)

September 6, 2012
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Add Text Annotations to ggplot2 Faceted Plot (an easier approach)

I recently posted a blog about adding text to a ggplot2 faceted plot (LINK). I was unhappy with the amount of time it takes to create the text data frame to then label the plot. And then yesterday when the … Continue reading →

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