1001 search results for "RSTUDIO"

Sending data from client to server and back using shiny

November 20, 2013
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Sending data from client to server and back using shiny

After some time of using shiny I got to the point where I needed to send some arbitrary data from the client to the server, process it with R and return some other data to the client. As a client/server programming newbie this was a challenge for me as I did not want to dive

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Penalizing P Values

November 19, 2013
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Penalizing P Values Ioannidis' paper suggesting that most published results in medical research are not true is now high profile enough that even my dad, an artist who wouldn't know a test statistic if it hit him in the face, knows about it. It has even...

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Analyze Facebook with R

November 19, 2013
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Analyze Facebook with R

Hello everybody! Today I found something very cool: There is a R package for mining Facebook. For Twitter there are different, but this is the first one really working well with Facebook. So I wanted to test it and was amazed about how easy it works. Setup: The first thing we need is a Facebook …

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My Course Slide Generation

November 18, 2013
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This past August I took an opportunity to step back into the University academic world as a Visiting Assistant Professor at the University of Arkansas. I have enjoyed the transition back into the academic world, including a more flexible schedule, variation in topics/duties, and collaborating with colleagues. However, there has been some growing pains, especially regarding creating...

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Alpha testing shinyapps.io – first impressions

November 17, 2013
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Alpha testing shinyapps.io – first impressions

ShinyApps.io is a new server which is currently in alpha testing to host Shiny applications.  It is being designed by the RStudio team and provides some distinct features different from that of the ShinyApps.io is intended for larger applications ...

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Ensemble Methods, part 1

November 17, 2013
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Ensemble Methods, part 1

Last week I dabbled in building classification trees with the party and rpart packages.  Now, I want to put together a series where I can apply those basic trees along with advanced techniques like bagging, boosting and random forest.  Additi...

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Announcing Packrat

November 14, 2013
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Announcing Packrat

We’re excited to announce Packrat, a new tool for managing the packages your R project depends on. If you’ve ever been frustrated by package dependencies, whether juggling the packages needed by your own projects or getting someone else’s project to work, Packrat is for you. Similar in spirit to Bundler, Packrat understands package dependencies and

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…start using R, from scratch!

November 14, 2013
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…start using R, from scratch!

Some time ago, since I was able to use R by myself, have found some fellows and other people who wanted to learn R as well. Then I pointed them to help pages, to CRAN repositories… but in some cases … Sigue leyendo →

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Iterators in R

November 13, 2013
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According to Wikipedia, an iterator is “an object that enables a programmer to traverse a container”. A collection of items (stashed in a container) can be thought of as being “iterable” if there is a logical progression from one element to the next (so a list is iterable, while a set is not). An iterator

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A Shiny App for Playing with OLS

November 11, 2013
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A Shiny App for Playing with OLS

Ordinary least squares continues to be the staple estimator for causal inference for good reason.  In order to help new and veteran OLS users get a better sense of how it is working I have created a shiny app that allows for instant interactivity ...

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