2618 search results for "ggplot2"

How to get your very own RStudio Server and Shiny Server with DigitalOcean

May 9, 2015
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How to get your very own RStudio Server and Shiny Server with DigitalOcean

If you've always wanted to have an RStudio Server of your own so that you can access R from anywhere, or your own Shiny Server to host your awesome shiny apps, DigitalOcean (DO) can help you get there easily. DigitalOcean provides virtual private servers (they call each server a droplet), which means that you can pay $5/month to have...

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Odd Connections Inside The NASDAQ-100

May 8, 2015
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Odd Connections Inside The NASDAQ-100

Distinguishing the signal from the noise requires both scientific knowledge and self-knowledge (Nate Silver, author of The Signal and the Noise) Analyzing the evolution of NASDAQ-100 stock prices can discover some interesting couples of companies which share a strong common trend despite of belonging to very different sectors. The NASDAQ-100 is made up of 107 … Continue reading...

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How are you feeling..? – Election 2015

May 7, 2015
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How are you feeling..? – Election 2015

The way we communicate is changing. The social media revolution can literally change governments. Twitter is one of the leading mediums through which we, the people, pour forth our informed opinion or raging vitriol, our messages of peace or diatribes … Continue reading →

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Digging up embedded plots

May 7, 2015
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Digging up embedded plots

by Joseph Rickert The following multi-panel graph, which graces the cover of the most recent issue of the Journal of Computational and Graphical Statistics ,JCGS, (Vol 24, Num 1, March 2015) is from the paper by Grolemund and Wickham entitled Visualizing Complex Data With Embedded Plots. The four plots are noteworthy for a couple or reasons: They present superb...

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TidyR Challenge: Help Me Do My Job

May 6, 2015
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Last week I was handed a drug prescription data set and asked to create some interesting graphics. But before I can even get to the fun part, I was faced with actually transforming the set into something that ggplot2 could read. Obviously I can’t share the data, but Tyler Rinker has created a fantastic package called wakefield that...

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Data Mining the California Solar Statistics with R: Part II

May 4, 2015
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Data Mining the California Solar Statistics with R: Part II

Data Mining the California Solar Statistics with R: Part II In today's post I'll be working some more with the working data set from California Solar Statistics. Last time I imported the data, cleaned it up a bit, grouped it by county and year, and made some plots to look at how residential solar installations

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Cohort Analysis with Heatmap

Cohort Analysis with Heatmap

Previously I shared the data visualization approach for descriptive analysis of progress of cohorts with the “layer-cake” chart (part I and part II). In this post, I want to share another interesting visualization that not only can be used for descriptive analysis as well but would be more helpful for analyzing a large number of cohorts.... Read More »

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Should I use premium Diesel? Result: No

May 2, 2015
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Should I use premium Diesel? Result: No

A while ago I had a post: 'Should I use premium Diesel? Setup. Since that time the data has been acquired. This post describes the results.DataData is registered by me in 2014 and 2015. 2014 has standard Diesel, while 2015 has premium. Both are fr...

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Circle packing in R (again)

April 29, 2015
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Circle packing in R (again)

Back in 2010 I posted some R code for circle packing. Now, just five years later, I've ported the code to Rcpp and created a little package which you can find at GitHub.The main function is circleLayout which takes a set of overlapping circles and tries to find a non-overlapping arrangement for them. Here's an example:

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R, Python, MATLAB, & Excel Dashboards & Graphs with D3.js & WebGL

April 29, 2015
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R, Python, MATLAB, & Excel Dashboards & Graphs with D3.js & WebGL

Web tools like D3.js and WebGL let you make beautiful, interactive 2D and 3D graphs. You can now publish graphs and dashboards with these technologies using Python, R, MATLAB, & Excel. Publishing and sharing is one extra line of code. This post puts you on your way, no downloads or installations required. We’ll start with ggplot2; scroll to see Python and MATLAB plots in 2D and 3D. See our

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