2791 search results for "Ggplot2"

High incidence in Measles Data in Project Tycho

April 21, 2014
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High incidence in Measles Data in Project Tycho

In this third post on Measles data I want to have a look at some high incidence occasions. As described before, the data is from Project Tycho, which contains data from all weekly notifiable disease reports for the United States dating back to 1888. These data are freely available to anybody...

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Old tails: a crude power law fit on ebook sales

April 18, 2014
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Old tails: a crude power law fit on ebook sales

We use R to take a very brief look at the distribution of e-book sales on Amazon.com. Recently Hugh Howey shared some eBook sales data spidered from Amazon.com: The 50k Report. The data is largely a single scrape of statistics about various anonymized books. Howey’s analysis tries to break sales down by declared category and Related posts:

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Make your ggplots shareable, collaborative, and with D3

April 17, 2014
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Make your ggplots shareable, collaborative, and with D3

Editor's note: This is a guest post from Matt Sundquist form the Plot.ly team. You can access the source code for this post at https://gist.github.com/sckott/10991885 Ggplotly and Plotly's R API let you make ggplot2 plots, add py$ggplotly(), and make your plots interactive, online, and drawn with D3. Let's make some. 1. Getting Started and Examples Here is Fisher's iris...

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Checking (G)LM model assumptions in R

April 16, 2014
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Checking (G)LM model assumptions in R

(Generalized) Linear models make some strong assumptions concerning the data structure: Independance of each data points Correct distribution of the residuals Correct specification of the variance structure Linear relationship between the response and the linear predictor For simple lm 2-4) means that the residuals should be normally distributed, the variance should be homogenous across the

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Impact of Dimensionality on Data in Pictures

April 16, 2014
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Impact of Dimensionality on Data in Pictures

I am excited to announce that this is supposed to be my first article published also on r-bloggers.com :) The processing of data needs to take dimensionality into account as usual metrics change their behaviour in subtle ways, which impacts the … Continue reading → The post Impact of Dimensionality on Data in Pictures appeared first on

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Investigating the relationship between gold and bitcoin prices with R.

April 15, 2014
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Investigating the relationship between gold and bitcoin prices with R.

Image by Ennio Pozzetti   In this post I will explore some of the movements in markets in recent years, these movements have caught many by surprise resulting in some people unexpectedly striking it rich while others have lost a great deal. I am no financial advisor, nor do I have a background in financial

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Rblogger Posting Patterns Analyzed with R

April 11, 2014
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Rblogger Posting Patterns Analyzed with R

I've been a big fan of rbloggers for quite some time, but have only recently started contributing myself. After my first post yesterday, I immidiately started wondering how long most other bloggers go between posts. I decided to gather the list of past posts to rbloggers to investigate...

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Largest Volcanoes in Recorded History (and other statistics)

April 11, 2014
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Largest Volcanoes in Recorded History (and other statistics)

Around 199 years ago the largest volcano in recorded history, Mount Tambora, erupted, spewing an enormous volume of molten rock and ash into the atmosphere and onto the surrounding land. How is the intensity of a volcanic eruption quantified? Most people know about the Richter Scale which quantifies the energy released in an earthquake. The

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Take a look, it’s in a book: distribution of kindle e-book highlights

Take a look, it’s in a book: distribution of kindle e-book highlights

If you've ever started a book and not finished it, it may comfort you to know that you are not alone. It's hard to get accurate estimates of the percentage books that are discontinued, but the rise of e-reading (and resulting circumvention of privacy) affords us the opportunity to answer related questions. The kindle e-reading »more

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Visualizing Twitter Followers Using Pointillism

April 10, 2014
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Visualizing Twitter Followers Using Pointillism

A funny thing about social media in the 21st century is that it allows us to connect with a lot of people.. by a lot, I mean so many that it's easy to lose track of any sense of scale. Maybe others are better at this, but...

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