1854 search results for "Ggplot2"

Sales Dashboard in R with qplot and ggplot2 – Part 1

April 2, 2014
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Sales Dashboard in R with qplot and ggplot2 – Part 1

In a previous post on my personal blog about creating Pivot Tables in R with melt and cast we covered a simple way to generate sales reports and summary tables from a data set consisting of orders. It is often said that a picture is … Continue reading →

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A Simple Introduction to the Graphing Philosophy of ggplot2

March 28, 2014
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A Simple Introduction to the Graphing Philosophy of ggplot2

Blog post: a very basic introduction to building data plots using ggplot2 in R. #Rstats

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Using R: barplot with ggplot2

March 19, 2014
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Using R: barplot with ggplot2

Ah, the barplot. Loved by some, hated by some, the first graph you’re likely to make in your favourite office spreadsheet software, but a rather tricky one to pull off in R. Or, that depends. If you just need a barplot that displays the value of each data point as a bar — which is

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Rewriting plot.qcc using ggplot2 and grid

March 3, 2014
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Rewriting plot.qcc using ggplot2 and grid

A new ggplot2-based implementation of control charts for the #RStats package qcc, and some lessons learned along the way.

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Books and lessons about ggplot2

February 19, 2014
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Books and lessons about ggplot2

I recently got an email from a person at Packt publishing, who suggested I write a book for them about ggplot2. My answer, which is perfectly true, is that I don’t have the time, nor the expertise to do that. What I didn’t say is that 1) a quick web search suggests that Packt doesn’t

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ggplot2: Cheatsheet for Visualizing Distributions

February 18, 2014
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ggplot2: Cheatsheet for Visualizing Distributions

In the third and last of the ggplot series, this post will go over interesting ways to visualize the distribution of your data.

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Add a background png image to ggplot2

February 16, 2014
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Add a background png image to ggplot2

Hey everybody, this is just a short post but I found it very useful. I want to show you how to add images as a background to your ggplot2 plots. To do so we need the packages png and grid Btw, this is just a cool and fast way to import different packages at once. …

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Scraping Pro-Football Data and Interactive Charts using rCharts, ggplot2, and shiny

February 10, 2014
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This post uses pro-football (American) boxscore data from 1966 through 2013 and generates few interactive charts using rCharts, ggplot2 and shiny.  It also provided a first time exposure to the power of dplyr. Data for these charts were scraped fr...

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Creepypasta – Votes vs. Rating (& learning ggplot2)

February 8, 2014
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Creepypasta – Votes vs. Rating (& learning ggplot2)

Excel: R, base package:R, ggplot:Am I overfitting? Probably.Code: More fun stuff to come....ReferencesSource data at Creepypasta.com:http://www.creepypasta.com/creepypasta-ratings-index/Code on gist:http://gist.github.com/mylesmharrison/8886272Creepypa...

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ggPlot2: Histogram with jittered stripchart

February 5, 2014
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ggPlot2: Histogram with jittered stripchart

Here is an example of a Histogram plot, with a stripchart (vertically jittered) along the x side of the plot.Alternatively, using the geom_rug function:Of course this simplicistic method need to be adjusted in vertical position of the stripchart or rug...

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