1723 search results for "excel"

Reproducible research, training wheels, and knitr

February 15, 2014
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Reproducible research, training wheels, and knitr

Last week I gave a short talk at CMU’s statistical computing seminar, Stat Bytes. I summarized why reproducible research (RR) and literate programming are worthwhile, not just for serious research but also for homework reports or statistical blog posts. I … Continue reading →

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Revolution R Enterprise in the Amazon Cloud

February 12, 2014
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by Oliver Vagner, Cloud Solutions Lead Architect at Revolution Analytics Today, I am pleased to announce our new offering in the Amazon Web Services Big Data Marketplace – Revolution R Enterprise 7 for AWS. Of course, if you follow this blog, then you are quite familiar with Revolution R Enterprise (RRE) and what it brings to the table with...

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Live Google Spreadsheet For Keeping Track Of Sochi Medals

February 11, 2014
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The “medals” R post by TRInker and re-blogged by Revolutions were both spiffy and a live example why there’s no point in not publishing raw data. You don’t need to have R (or any other language) do the scraping, though. The “IMPORTHTML” function (yes, function names seem to be ALL CAPS now over at Google

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There is no Such Thing as Biomedical "Big Data"

February 11, 2014
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There is no Such Thing as Biomedical "Big Data"

At the moment, the world is obsessed with “Big Data” yet it sometimes seems that people who use this phrase don’t have a good grasp of its meaning.  Like most good buzz-words, “Big Data” sparks the idea of something grand and complicated, while sounding ordinary enough that listeners feel like they have an intuitive understanding of the concept.  However...

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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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After 1st semester of Statistics PhD program

February 9, 2014
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After 1st semester of Statistics PhD program

Have you ever wondered whether the first semester of a PhD is really all that busy? My complete lack of posts last fall should prove it Some thoughts on the Fall term, now that Spring is well under way: The … Continue reading →

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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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Plot 3D Topographic Map in R

February 7, 2014
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Plot 3D Topographic Map in R

As we all know, there are a lot of packages provide functions to plot maps, such as ggmap, GEOmap, rworldmap and so on. For visualizing 2D topographic map, here is a good example. Besides, 3D topographic map is also easily to be plotted via some excellent functions and packages. The implement methods include but are not limited to … Continue reading...

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Meticulously recreating bitmap plots in R

February 3, 2014
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Meticulously recreating bitmap plots in R

There’s a hard-fought drive on Wikimedia commons to convert those images that should be in vector format (i.e. graphs, diagrams) from their current bitmap form. At the time of writing, the relevant category has over 7000 images in the category … Continue reading →

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Pander/Pandoc for Pretty Conversion on the R Studio Server

February 1, 2014
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Eventually we get around to teaching our students to turn in Homework assignments as R Markdown documents, and towards the end of the semester many of them will do a data analysis project, complete with a report generated as an HTML file. But frankly the HTML output is a bit ugly. What if students want something that looks a...

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