445 search results for "Knitr"

R Studio, and Presentations, and Git! Oh my!

November 7, 2013
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R Studio, and Presentations, and Git! Oh my!

I have been using R for many years now and it has served me quite well.  I have used it for all manners of data prep work, analysis, developing figures, and more recently GIS and creating reproducible reports with knitr.  During this time my typical workflow included creating new folders for projects, throwing in an

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R and my divorce from Word

October 30, 2013
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R and my divorce from Word

Being in grad school, I do a lot of scholarly writing that requires associated or embedded R analyses, figures, and tables, plus bibliographies. Microsoft Word makes this unnecessarily difficult. Many tools are now available to break free from the tyranny of Word. The ones I like involve writing an article in markdown format, integrating all data preparation,...

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Markdown or LaTeX?

October 19, 2013
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Markdown or LaTeX?

What happens if you ask for too much power from Markdown? R Markdown is one of the document formats that knitr supports, and it is probably the most popular one. I have been asked many times about the choice between Markdown and LaTeX, so I think I'...

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Generating your own normal distribution table

October 15, 2013
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Generating your own normal distribution table

It might sounds incredibly old fashion, but for my the exam for the ACT2121 probability course (to prepare for the exam P of the Society of Actuaries), I will provide a standard normal distribution table. The problem is that it is never the one we’re looking for (sometimes it is the survival function, sometimes it is the cumulative distribution function,...

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Loops revisited: How to rethink macros when using R

October 4, 2013
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New JerseyR User Group Meeting – 22nd October 2013, Iselin NJ

October 2, 2013
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We are pleased to announce details of the next New Jersey R meeting; this is a free event open to anyone using or interested in using R. Venue:  Hilton Woodbridge, 120 Wood Avenue South, Iselin, NJ 08830 Time:     6.30 pm – 10pm Presentations (from 7pm) • Using knitr to create reports -  Adam Rich, Beazley Group • Using R...

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Remotely use R packages on Github through OpenCPU

October 1, 2013
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Remotely use R packages on Github through OpenCPU

Any R package on Github can be used remotely on OpenCPU through the /ocpu/github/ API. Users on the internet can browse code, objects, help pages, or call functions in the package without having to learn R or install it on their local machine. Thereby you can make your method, algorithm, plot...

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Remotely use R packages on Github through OpenCPU

October 1, 2013
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Remotely use R packages on Github through OpenCPU

Any R package on Github can be used remotely on OpenCPU through the /ocpu/github/ API. Users on the internet can browse code, objects, help pages, or call functions in the package without having to learn R or install it on their local machine. Thereby you can make your method, algorithm, plot...

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Testing R Packages

September 29, 2013
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This guy th3james claimed Testing Code Is Simple, and I agree. In the R world, this is not anything new. As far as I can see, there are three schools of R users with different testing techniques: tests are put under package/tests/, and a foo-test.Rout.save from R CMD BATCH foo-test.R; testing is done by comparing foo-test.Rout from R CMD check with your foo-test.Rout.save; R...

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A speed test comparison of plyr, data.table, and dplyr

September 23, 2013
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A speed test comparison of plyr, data.table, and dplyr

Guest post by Jake Russ For a recent project I needed to make a simple sum calculation on a rather large data frame (0.8 GB, 4+ million rows, and ~80,000 groups). As an avid user of Hadley Wickham’s packages, my first …Read more »

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