December 2017

Conference Cost

December 17, 2017 | R on The Jumping Rivers Blog

In last weeks post we tantalised you with upcoming R & data science conferences, but from a cost point view, not all R conferences are the same. Using the R conference site, it’s fairly easy to compare the cost of previous R conferences. I select...
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Conference Cost

December 17, 2017 | R on The Jumping Rivers Blog

In last weeks post we tantalised you with upcoming R & data science conferences, but from a cost point view, not all R conferences are the same. Using the R conference site, it’s fairly easy to compare the cost of previous R conferences. I select... [Read more...]

Predictive Analytics Tutorial: Part 4

December 17, 2017 | Laura Ellis

Part 4 of 4 in a tutorial showing how to perform end to end predictive analytics to solve your business problem.  The tutorial focuses on creating, selecting and implementing predictive models.  It uses R notebooks, Data Science Experience and IBM Cloud.
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littler 0.3.3

December 17, 2017 | Thinking inside the box

The fourth release of littler as a CRAN package is now available, following in the now more than ten-year history as a package started by Jeff in 2006, and joined by me a few weeks later. littler is the first command-line interface for R and predates Rscript. In my very biased ... [Read more...]

Using R: reshape2 to tidyr

December 17, 2017 | mrtnj

Tidy data — it’s one of those terms that tend to confuse people, and certainly confused me. It’s Codd’s third normal form, but you can’t go around telling that to people and expect to be understood. One form is ”long”, the other is ”wide”. One form is ”... [Read more...]

Teaching the tidyverse to beginners

December 16, 2017 | Econometrics and Free Software

End October I tweeted this: will teach #rstats soon again but this time following @drob 's suggestion of the tidyverse first as laid out here: https://t.co/js8SsUs8Nv— Bruno Rodrigues (@brodriguesco) October 24, 2017 and it generated some discussion. Some people believe that this is the right approach, and ... [Read more...]

R shiny stock analysis

December 16, 2017 | artstein2017

Introduction This post we deploy our own R-shiny app. You can select a stock The app fetches the data, does some number crunching and plots the results The source code is on github. Bear in mind that I might not run the demo-server indefinitely, or that it might not be ...
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drat 0.1.4

December 16, 2017 | Thinking inside the box

A new version of drat just arrived on CRAN as another no-human-can-delay-this automatic upgrade directly from the CRAN prechecks (though I did need a manual reminder from Uwe to remove a now stale drat repo URL -- bad @hrbrmstr -- from the README in... [Read more...]

More Pipes in R

December 16, 2017 | John Mount

Was enjoying Gabriel’s article Pipes in R Tutorial For Beginners and wanted call attention to a few more pipes in R (not all for beginners). data.table has essentially used the square bracket sequence “][” in a manner equivalent to piping in R since about 2006. Here is an example. The ...
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Show R shiny app in WordPress

December 16, 2017 | artstein2017

This post we turn to R-shiny. First, we embed someone else’s existing shiny-app as an example to check that everything works as expected. For the embedding we use an iframe. We install the wordpress plugin Reframer The R-shiny app is from http://stla.github.io and is referenced in ... [Read more...]

digest 0.6.13

December 16, 2017 | Thinking inside the box

A small maintenance release, version 0.6.13, of the digest package arrived on CRAN and in Debian yesterday. digest creates hash digests of arbitrary R objects (using the 'md5', 'sha-1', 'sha-256', 'crc32', 'xxhash' and 'murmurhash' algorithms) permit... [Read more...]

Star Wars Vs Star Trek Word Battle

December 15, 2017 | r-tastic

It will go without saying that I’m super excited about the premiere of another Star Wars movie and I’m not an exception. This, together with with Piotr Migdal’s challenge posted on Data Science PL group on Facebook where he suggested comparing word frequencies between two different sources. ...
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Possum magic: mapping an Australian children’s book

December 15, 2017 | Maëlle Salmon

Our brand-new baby received a fantastic picture book as a gift: Possum magic, a classic for Aussie kids. Thanks, Miles! In that book, Hush the possum and her Grandma Poss encounter different Australian animals and travel across well eat their way through the country. It is an adorable story with ... [Read more...]
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