by Joseph Rickert The Joint Statistical Meetings (JSM) get underway this weekend in Boston and Revolution Analytics is again proud to be a sponsor. More than 6,000 statisticians and data scientists from around the world are expected to attend and listen to thousands of presentations. It is true that many talks will be on specialized topics that only statisticians...
httr 0.4
httr 0.4 is now available on CRAN. The httr packages makes it easy to talk to web APIs from R. The most important new features are two new vignettes...
Eighth Torino R net meeting and free R for data analysis course
On 17 September 2014 – 14:00 there will be a free R for data analysis course and starting at 16:30 there will be the Eighth Torino R net meeting. Events will take place at Campus Luigi...
Presentations of the seventh Torino R net meeting are online
Presentations of the seventh Torino R net meeting are now available on line, section Downloads. Thank you to all who attended the meeting on Thursday 27th March in Asti and special...
Insert random NAs in a vector in R
I was recently writing a function which was going to need to deal with NAs in some kind of semi-intelligent way. I wanted to test it with some fake...
Bangalore workshop [ಬೆಂಗಳೂರು ಕಾರ್ಯಾಗಾರ]
![Bangalore workshop [ಬೆಂಗಳೂರು ಕಾರ್ಯಾಗಾರ]](http://xianblog.files.wordpress.com/2014/07/mathdept.jpg?w=450&h=337)
Second day at the Indo-French Centre for Applied Mathematics and the workshop. Maybe not the most exciting day in terms of talks (as I missed the first two plenary...
More Readable Code with Pipes in R
Several blog posts have made mention of the 'magrittr' package which allows functional arguments to be passed to functions in a pipes style fashion (David Smith ).This stylistic option...
Accidental aRt
R is a very powerful language for creating custom data visualizations, but during the development process sometimes you make a mistake and things go horribly wrong. But sometime serendipity...
ideal point graphics, via d3
I’ve updated some of the graphical displays of the ideal point estimates I serve up here. I’ve rendered some of these in d3, with some rollover lah-de-dah: (1) 113th...
drinkR: Estimate your Blood Alcohol Concentration using R and Shiny.
Inspired by events that took place at UseR 2014 last month I decided to implement an app that estimates one’s blood alcohol concentration (BAC). Today I present to...
writing #rstats bindings for bwa-mem, my notebook.
I wanted to learn how to bind a C library to R, so I've created the following bindings for BWA. My code is available on github at :https://github.com/lindenb/rbwaMost of...
Building Interactive Graphs with ggplot2 and Shiny
Some time ago, I was contacted from guys at Packt Publishing. Their just published the Building Interactive Graphs with ggplot2 and Shiny online course and they ask me my (humble) opinion....
“F-bombs” in GitHub Commits (warning: contains profanity)
Warning: this post contains profanity...arguably excessive amounts of it. If you are a humorless no-fun, you are recommended to proceed no further. Seriously though, the title is quite descriptive...
Format Markdown Documents in R
Have you ever used a markdown file to create an html file? Have you ever wanted to quickly format the subsequent html file to add some color or...
Variable Selection in Market Segmentation: Clustering or Biclustering?
Will you have that segmentation with one or two modes?The data matrix for market segmentation comes to us with two modes, the rows are consumers and the columns are...
Packages vs ProjectTemplate
Packages vs ProjectTemplate tl;dr Imposing a different structure than R packages for distributing R code is a bad idea, especially now that R package tools have gotten to the point where...
Revisiting package dependencies
by Andrie de Vries In my previous post I wrote about how to identify and visualize package dependencies. Within hours, Duncan Murdoch (member of R-core) identified some discrepancies between...
2 new R jobs (for July 29th 2014)
This is the bimonthly R Jobs post (for 2014-07-29), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link...
Fast-track publishing using the new R markdown – a tutorial and a quick look behind the scenes
The new R Markdown (rmarkdown-package) introduced in Rstudio 0.98.978 provides some neat features by combining the awesome knitr-package and the pandoc-system. The system allows for some neat simplifications of...
Hit and run. Think Bayes!
At the R in Insurance conference Arthur Charpentier gave a great keynote talk on Bayesian modelling in R. Bayes' theorem on conditional probabilities is strikingly simple,...
analyze the fda adverse event reporting system (faers) with r
doctors prescribe medications for patients all the time. all the time. sometimes the results are beneficial, other times the drug has no discernible effect, but occasionally those substances actually...
Creating an analysis as a package and vignette
Creating an analysis as a package and vignette Following from my last post, I am going to go step by step through the process I use to generate an...
Volatility Histeresis: A First Attempt
So the last time that a FRAMA strategy was tried with price crossovers, the problem was that due to counter-trending … Continue reading →
Data Caching
Data caching is not new. It is often necessary to save intermediate data files when the process of loading and/or manipulating data takes a considerable amount of time. This...
Clipping spatial data in R
This miniature vignette shows how to clip spatial data based on different spatial objects in R and a ‘bounding box’. Spatial overlays are common in GIS applications and R...
Comment on Sustainability and innovation in staple crop production in the US Midwest
After writing a blog post about the paper “Sustainability and innovation in staple crop production in the US Midwest” I decided to submit a formal comment to the International...
jpmml and R (Free Webinar)
This free, global webinar will provide an introduction to jpmml, the world’s leading open-source PMML scoring engine currently being utilized by companies such as Airbnb to rapidly deploy predictive...
The Pay-for-Performance Myth
Last week, Eric Chemi and Ariana Giorgi published an interesting article on “The Pay-for-Performance Myth” With all the public chatter about exorbitant executive compensation and income inequality, it’s useful to...
Plotly: collaborative, publication-quality graphing.
