March 2015

SOMbrero v1.0 is released

March 28, 2015 | Nathalie

New !!! SOMbrero is now on CRAN: http://cran.r-project.org/web/packages/SOMbrero You can visit its Web User Interface: http://shiny.nathalievilla.org/sombrero (SOMbrero WUI, v1.0 related to SOMbrero v1.0). The web user interface can also be used directly from the package with the function sombreroGUI(). SOMbrero is ... [Read more...]

Interactive Maps for John Snow’s Cholera Data

March 28, 2015 | arthur charpentier

This week, in Istanbul, for the second training on data science, we’ve been discussing classification and regression models, but also visualisation. Including maps. And we did have a brief introduction to the  leaflet package, devtools::install_github("rstudio/leaflet") require(leaflet) To see what can be done with that ... [Read more...]

Using closures as objects in R

March 27, 2015 | John Mount

For more and more clients we have been using a nice coding pattern taught to us by Garrett Grolemund in his book Hands-On Programming with R: make a function that returns a list of functions. This turns out to be a classic functional programming techique: use closures to implement objects (... [Read more...]

rClr 0.7-4 released

March 26, 2015 | Jean-Michel Perraud

Version 0.7-4 of rClr (source code mirrored on GitHub), a package to access arbitrary .NET code seamlessly and in-process, has been released.This is a maintenance release with an important fix to memory management. In some circumstances, passing data ... [Read more...]

Getting variable labels in R, from SPSS

March 26, 2015 | Michelle

When using R, we may need find our data has been saved in a different statistics package. While there are some export functions in other statistical software that will export to a different filetype, or we may simply use a .csv file, R can import some ... [Read more...]

Creating a graph with variable edge width in Rgraphviz

March 26, 2015 | January

This was waaaaay more complicated than necessary. Figuring it out took me almost a whole day. In essence, there is the graph package in R, which provides graph objects and methods, and there is the Rgraphviz package, which allows you to plot the graphs on the screen. They work well. ...
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Review of "Hands-On Programming with R"

March 26, 2015 | Joseph Rickert

by Joseph Rickert There have been well over a hundred books on R published within the last ten years. Most of these texts with titles like “Introduction Statistics with R” or “Time Series with R” offer the reader a way to jump right in and perform some concrete statistical analysis ... [Read more...]

Pre-CRAN waffle update – isotype pictograms

March 26, 2015 | hrbrmstr

It seems Ruben C. Arslan had the waffle idea about the same time I did. Apart from some extra spiffy XKCD-like styling, one other thing his waffling routines allowed for was using FontAwesome icons. When you use an icon vs a block, you are really making a basic version of ...
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Easy Error Bars with R and Plotly

March 25, 2015 | chelsea

Error bars are a great way to visually represent variability of a dataset, and are easy to graph with Plotly and R! Error bars can be used to visualize standard deviations, standard errors or confidence intervals (just don’t forget to specify which measure the error bar in the graph ... [Read more...]

Planning an R usergroup meeting in R

March 25, 2015 | benjaminlmoore

The Edinburgh R usergroup (EdinbR) put together a survey a while back to figure out some of the logistical details for organising a succesful meeting. We had 75 responses (and a few more after I grabbed the results) so here’s … Continue reading →
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Participate in the 2015 Rexer Data Mining Survey

March 25, 2015 | David Smith

Since 2007, Karl Rexer has been collecting data on the tools, skills and practices of statisticians and data miners. Over the years, his semi-annual Data Miner Survey has expanded in scope, and now includes research on the topics of data science, big data, and analytics applications on business. Unlike research conducted ... [Read more...]

NASDAQ 100 Couples

March 25, 2015 | aschinchon

Heaven, I’m in heaven, and my heart beats so that I can hardly speak, and I seem to find the happiness I seek, when we’re out together dancing cheek to cheek (Cheek To Cheek, Irving Berlin) There are about 6.500 available packages in CRAN repository. If I were a ...
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Le Monde puzzle [#904.5]

March 25, 2015 | xi'an

About this #904 arithmetics Le Monde mathematical puzzle: Find all plural integers, namely positive integers such that (a) none of their digits is zero and (b) removing their leftmost digit produces a dividing integer. a slight modification in the R code allows for a faster exploration, based on the fact that ...
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Machine Learning in R for beginners

March 25, 2015 | DataCamp

Introducing: Machine Learning in R Machine learning is a branch in computer science that studies the design of algorithms that can learn. Typical machine learning tasks are concept learning, function learning or “predictive modeling”, clustering and finding predictive patterns. These tasks are learned through available data that were observed through ... [Read more...]

Geomorph and Multivariate Datasets

March 25, 2015 | Emma Sherratt

Did you know that geomorph is not just for landmark-based geometric morphometric (shape) data?We are committed to providing statistical tools for multivariate AND multidimensional morphometric data.As laid out in the recent series of papers on Phylogenetic Comparative Methods for high-dimensional data (Adams 2014a, Adams 2014b, Adams 2014c, Adams & ... [Read more...]

Remember the RSeek!

March 25, 2015 | gluc

Most people probably know this, but sometimes even I forget that there is the great Rseek.org. Purisitc as google itself, it works basically like a filter on google searches, to return only R-relevant content. This is very useful if you need to perform a specific task. For example, recently ... [Read more...]
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