Every campaign cycle I usually do similar things, go to a repository, download a bounce of data, merge and store them to an existing RData file for posterior analysis. I've already wrote about this topic some time ago, but this time I think my script became simpler. Set the Directory ... [Read more...]

20.11.2014 In my last post i presented the first version of a debugging GUI for R in Bio7 which is just a visual wrapper for the default R debugging functions. In the meantime i added some new methods and also improved the visualization. For the upcoming Bio7 release i have to ... [Read more...]

Why create a personal R package? As a consulting data scientist, I write a lot of R code in a lot of different places – physically and virtually. Different computers, servers, evironments, VPNs, operating systems, all of the above. Even when I have the luxury of working with the same client (... [Read more...]

Todd Schneider's blog post on solving the traveling salesman problem with R hit the front page of reddit.com. This is a big deal: front-page placement on the popular social news site can drive a ton of traffic (in Todd's case, 1.3 million pageviews). But what factors determine which of reddit's ... [Read more...]

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Several readers, upon seeing the risk and return ratio along with other statistics in the previous post stated that the … Continue reading → [Read more...]

Dear R users, Quantide is proud to announce its second […] [Read more...]

One nice thing about open-source software is that users often have a lot of choices.  Such is the case with R, for instance the thousands of contributed packages available on CRAN.  My focus here is on BLAS, the core of matrix operations in R, where again there are interesting choices ... [Read more...]

Any practicing data scientist is going to eventually have to work with a data stored in a Microsoft Excel spreadsheet. A lot of analysts use this format, so if you work with others you are going to run into it. We have already written how we Related posts: Please stop ... [Read more...]

Earlier today, Josh send the text below to the R-SIG-Finance list, and I updated the R/Finance website, including its Call for Papers page, accordingly. We are once again very excited about our conference, thrilled about the four confirmed keynotes, and hope that many R / Finance users will not only ... [Read more...]

scheduleR is an attempt to create an intuitive interface for scheduling R and Rmarkdown scripts. Especially for the latter, I find the lack of a good scheduling, logging and notification tool the reason for why I don’t use Rmarkdown as much as I could for generating business report / dashboards. ... [Read more...]

Last week, while I was giving my crash course on R for insurance, we’ve been discussing possible extensions of Lee & Carter (1992) model. If we look at the seminal paper, the model is defined as follows Hence, it means that This would be a (non)linear model on the logarithm ... [Read more...]

Call for Papers:R/Finance 2015: Applied Finance with RMay 29 and 30, 2015University of Illinois at ChicagoThe seventh annual R/Finance conference for applied finance using R will be held on May 29 and 30, 2015 in Chicago, IL, USA at the University... [Read more...]

Last week the LA R meetup featured another round of 5 speakers each highlighting a... [Read more...]

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by Jeremy Reynolds Senior R Trainer, Revolution Analytics Last week, Revolution Analytics released its first massive open, online course through a partnership with datacamp.com: Introduction to Revolution R Enterprise for Big Data Analytics. You can sign up for the free course here. This course provides a look at some ... [Read more...]

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I'm back on the road for 3 dplyr talks. On thursday I'll be in Lyon for the RLyon meetup. Next week, I'll be back to Budapest as part of the BI Forum In december, I'll be in Milano for the MilanoR meeetup. See you there. 3 more dates on my #dplyr autumn ... [Read more...]

Hours after the initial blog post announcing the first release of the new package RcppAnnoy, Qiang Kou sent us a very nice pull request adding mmap support in Windows. So a new release with Windows support is on now CRAN, and Windows binaries should ... [Read more...]