3583 search results for "ggplot"

Power Curves in R Using Plotly ggplot2 Library

May 26, 2016
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When performing Student’s t-test to compare the difference in means between two groups, it is a useful exercise to determine the effect of unequal sample sizes in the comparison groups on power. Formally, power can be defined as the probability of rejecting the null hypothesis when the alternative hypothesis is true. Informally, power is the

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Intro to ggplot2

May 25, 2016
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Here is the link to a ggplot2 demo I presented at the InveRness RUG last week : intro to ggplot2 It’s in ioslides (html) format, for best viewing press F on your keyboard for full screen, and toggle widescreen on/off with the W key. It?...

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Plotting App for ggplot2 (Part 2)

May 11, 2016
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Plotting App for ggplot2 (Part 2)

Through this post, I would like to provide an update to my plotting app, which I first blogged about here. The app is available as part of my package RtutoR, which is published on CRAN.(The app is also hosted at shinyapps.io. However, unlike the package version, you would not be able to use your own Plotting App for...

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Creating plots in R using ggplot2 – part 11: linear regression plots

(This article was first published on Reimagined Invention, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Reimagined Invention. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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First Thoughts on Automatically Generating Accessible Text Descriptions of ggplot Charts in R

April 29, 2016
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First Thoughts on Automatically Generating Accessible Text Descriptions of ggplot Charts in R

In a course team accessibility briefing last week, Richard Walker briefly mentioned a tool for automatically generating text descriptions of Statistics Canada charts to support accessibility. On further probing, the tool, created by Leo Ferres, turned out to be called iGraph-Lite: … an extensible system that generates natural language descriptions of statistical graphs, particularly those

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Creating plots in R using ggplot2 – part 10: boxplots

(This article was first published on Reimagined Invention, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Reimagined Invention. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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(ggplot2) Exercising with (ggalt) dumbbells

April 17, 2016
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(ggplot2) Exercising with (ggalt) dumbbells

I follow the most excellent Pew Research folks on Twitter to stay in tune with what’s happening (statistically speaking) with the world. Today, they tweeted this excerpt from their 2015 Global Attitudes survey: The age gap in social media use around the world https://t.co/0Dq1PcbExG pic.twitter.com/9HBM7gLxwR— PewResearch Internet (@pewinternet) April 17, 2016 I thought it might... Continue reading →

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Creating and Tweaking Bubble Chart with ggplot2

April 16, 2016
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Creating and Tweaking Bubble Chart with ggplot2

This article will take us step-by-step over incremental changes to produce a bubble chart using ggplot2 that looks like this:We'll encounter the plot above once again at the very end after explaining each step with code changes and observing intermediate plots. Without getting into details what it means (curios reader can find out here)...

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Plotting App for ggplot2

April 5, 2016
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2016-04-06 18_27_39-Clipboard

Through this post, I would like to share an update to my RTutoR package. The first version of this package included an R Basics Tutorial App which I published earlier at DataScience+ The updated version of this package, which is now on CRAN, includes a plotting app. This app provides an automated interface for generating Plotting App for...

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WVPlots: example plots in R using ggplot2

April 1, 2016
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WVPlots: example plots in R using ggplot2

Nina Zumel and I have been working on packaging our favorite graphing techniques in a more reusable way that emphasizes the analysis task at hand over the steps needed to produce a good visualization. The idea is: we sacrifice some of the flexibility and composability inherent to ggplot2 in R for a menu of prescribed … Continue reading...

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